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  • Top Reasons to Take the MySQL Cluster Training

    - by Antoinette O'Sullivan
    Here are the top reasons to take the authorized MySQL Cluster training course: Take training which was developed by MySQL Cluster product team and delivered by the MySQL Cluster experts at Oracle Learn how to develop, deploy, manage and scale your MySQL Cluster applications more efficiently Keep your mission-critical applications and essential services up and running 24x7 Deliver the highest performance and scalability using MySQL Cluster best practices In this 3 day course, experienced database users learn the important details of clustering necessary to get started with MySQL Cluster, to properly configure and manage the cluster nodes to ensure high availability, to install the different nodes and provide a better understanding of the internals of the cluster. To see the schedule for this course, go to the Oracle University Portal (click on MySQL). Should you not see an event for a location/date that suits you, register your interest in additional events. Here is a small sample of the events already on the schedule for the MySQL Cluster course:  Location  Date  Delivery Language  Prague, Czech Republic  17 September 2012  Czech  Warsaw, Poland  1 August 2012  Polish  London, United Kingdom  18 July 2012  English  Lisbon, Portugal  3 December 2012  European Portugese  Nice, France  8 October 2012  French  Barcelona, Spain  25 September 2012  Spanish  Madrid, Spain  20 August 2012  Spanish  Denver, United States  17 October 2012  English  Chicago, United States  22 August 2012  English  Petaling Jaya, Malaysia  10 October 2012  English  Singapore  21 August 2012  English  Mexico City, Mexico  23 July 2012  Spanish

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  • MySQL Connect Call for Papers Open Now, until May 6

    - by Bertrand Matthelié
    @font-face { font-family: "Arial"; }@font-face { font-family: "Cambria"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }a:link, span.MsoHyperlink { color: blue; text-decoration: underline; }a:visited, span.MsoHyperlinkFollowed { color: purple; text-decoration: underline; }div.Section1 { page: Section1; } MySQL Connect will take place in San Francisco September 29 and 30; you can read the Press Release here. The call for papers is open until May 6, submit your sessions now! This is your chance to present your real-world experience and share your expertise and best practices with the MySQL community. The conference includes six tracks: Performance and Scalability, High Availability, Cloud Computing, Architecture and Design, Database Administration, and Application Development. You can submit conference sessions as well as BOF (Birds-of-a-Feather) sessions. We look forward to hearing from you! Interested in sponsorship and exhibit opportunities? You will find more information here. Registration for MySQL Connect also opened today. Register now to take advantage of the Early Bird discount! MySQL Connect will be jam-packed with technical sessions, hands-on labs and Birds of a Feather (BOF) sessions delivered by MySQL community members, users, customers and MySQL engineers from Oracle. The event is a unique opportunity to learn about the latest MySQL features, discuss product roadmaps, and connect directly with the engineers behind the latest MySQL code.

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  • MySQL Cluster 7.3 - Join This Week's Webinar to Learn What's New

    - by Mat Keep
    The first Development Milestone and Early Access releases of MySQL Cluster 7.3 were announced just several weeks ago. To provide more detail and demonstrate the new features, Andrew Morgan and I will be hosting a live webinar this coming Thursday 25th October at 0900 Pacific Time / 16.00 UTC Even if you can't make the live webinar, it is still worth registering for the event as you will receive a notification when the replay will be available, to view on-demand at your convenience In the webinar, we will discuss the enhancements being previewed as part of MySQL Cluster 7.3, including: - Foreign Key Constraints: Yes, we've looked into the future and decided Foreign Keys are it ;-) You can read more about the implementation of Foreign Keys in MySQL Cluster 7.3 here - Node.js NoSQL API: Allowing web, mobile and cloud services to query and receive results sets from MySQL Cluster, natively in JavaScript, enables developers to seamlessly couple high performance, distributed applications with a high performance, distributed, persistence layer delivering 99.999% availability. You can study the Node.js / MySQL Cluster tutorial here - Auto-Installer: This new web-based GUI makes it simple for DevOps teams to quickly configure and provision highly optimized MySQL Cluster deployments on-premise or in the cloud You can view a YouTube tutorial on the MySQL Cluster Auto-Installer here  So we have a lot to cover in our 45 minute session. It will be time well spent if you want to know more about the future direction of MySQL Cluster and how it can help you innovate faster, with greater simplicity. Registration is open 

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  • Speaking at MySQL Connect 2012

    - by jonathonc
    At the end of September, the MySQL Connect 2012 conference will be held as part of Oracle OpenWorld in San Francisco. MySQL Connect is a two day event that allows attendees to focus on MySQL at a technical depth with presentations and interaction with many of the MySQL developers, engineers and other knowledgeable staff. There is also a range a international speakers to give broader knowledge to the presentations. I am presenting a Hands-On Lab on Sunday 30th September 16:15 - 17:15 entitled HOL10474 - MySQL Security: Authentication and Auditing. The sessions goes through an introduction to the plugin API and how it can help expand the capabilities of MySQL. Since it is a hands-on lab, attendees will use practical examples of implementing simple plugins to get a start in developing their own plugins. These plugin examples are based around implementing PAM authentication and how it can be utilized to offer greater security for the MySQL Server. Once the authentication has been tested, a method to monitor it will be implemented using the auditing API and logging different events as they happen in the service. There is a total of 78 sessions at MySQL Connect 2012 with a great range of speakers. Hope to see you there!

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  • MySQL remote access not working - Port Close?

    - by dave.zap
    I am not able to get a remote connection established to MySQL. From my pc I am able to telnet to 3306 on the existing server, but when I try the same with the new server it hangs for few minutes then returns # mysql -utest3 -h [server ip] -p Enter password: ERROR 2003 (HY000): Can't connect to MySQL server on '[server ip]' (110) Here is some output from the server. # nmap -sT -O localhost -p 3306 ... PORT STATE SERVICE 3306/tcp closed mysql ... # netstat -anp | grep mysql tcp 0 0 [server ip]:3306 0.0.0.0:* LISTEN 6349/mysqld unix 2 [ ACC ] STREAM LISTENING 12286 6349/mysqld /DATA/mysql/mysql.sock # netstat -anp | grep 3306 tcp 0 0 [server ip]:3306 0.0.0.0:* LISTEN 6349/mysqld unix 3 [ ] STREAM CONNECTED 3306 1411/audispd # lsof -i TCP:3306 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME mysqld 6349 mysql 10u IPv4 12285 0t0 TCP [domain]:mysql (LISTEN) I am running... OS CentOS release 5.8 (Final) mysql 5.5.28 (Remi) Note: Internal connections to mysql work fine. I have disabled IPtables, the box has no other firewall, it runs Apache on port 80 and ssh no problem. Had followed this tutorial - http://www.cyberciti.biz/tips/how-do-i-enable-remote-access-to-mysql-database-server.html I have bound the IP address in my.cnf user=mysql bind-address = [sever ip] port=3306 I even started over by deleting the mysql folder in my datastore and running mysql_install_db --datadir=/DATA/mysql --force Then recreated all the users as per the manual... http://dev.mysql.com/doc/refman/5.5/en/adding-users.html I have created one test user CREATE USER 'test'@'%' IDENTIFIED BY '[password]'; GRANT ALL PRIVILEGES ON *.* TO 'test'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES; So all I can see is that the port is not really open. Where else might I look? thanks

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  • mysql is not connecting after data directory change

    - by user123827
    I've changed data directory in /etc/my.cnf. datadir=/data/mysql socket=/data/mysql/mysql.sock I also moved mysql folder from /var/lib/mysql/ to /data/mysql Now when i connect to mysql i get following error: [root@youradstats-copy mysql]# mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) also when i see /var/logs/msqld.log i get following messages in that: InnoDB: Setting log file /data/mysql/ib_logfile0 size to 512 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 200 300 400 500 120704 7:43:31 InnoDB: Log file /data/mysql/ib_logfile1 did not exist: new to be created InnoDB: Setting log file /data/mysql/ib_logfile1 size to 512 MB InnoDB: Database physically writes the file full: wait... InnoDB: Progress in MB: 100 200 300 400 500 InnoDB: Cannot initialize created log files because InnoDB: data files are corrupt, or new data files were InnoDB: created when the database was started previous InnoDB: time but the database was not shut down InnoDB: normally after that. 120704 7:43:36 [ERROR] Plugin 'InnoDB' init function returned error. 120704 7:43:36 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. I shut down mysql properly before doing these changes and then started it properly but dont know why getting these messages. please help to solve issue as i have changed socket path in my.cnf but still its pointing to old path...

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  • MySQL 5.6 won't start on OS X - ambiguous option

    - by MaticPetek
    I would like to try MySQL 5.6 on my machine, but I cannot start it. I always get an error : [ERROR] /usr/local/mysql-5.6.5-m8-osx10.6-x86/bin/mysqld: ambiguous option '--log=/var/log/mysqld.log' (log-bin, log_slave_updates) my.cnf: [mysqld]<br/> pid-file=/usr/local/mysql-5.6.5-m8-osx10.6-x86/mysql.pid<br/> log-error=/usr/local/mysql-5.6.5-m8-osx10.6-x86/data/mysql-error.log<br/> log-slow-queries=/usr/local/mysql-5.6.5-m8-osx10.6-x86/data/mysql-slowquery.log<br/> log-bin=/usr/local/mysql-5.6.5-m8-osx10.6-x86/data/mysql-bin.log<br/> general_log_file=/usr/local/mysql-5.6.5-m8-osx10.6-x86/data/mysql-general_log_file.log<br/> log=/usr/local/mysql-5.6.5-m8-osx10.6-x86/data/mysql.log<br/> I try to set "log" and "log-bin" paramether in my.cnf file and also as start parameters for mysqld, but with no luck. Any idea what I can do? Thank you. My environment: OS X 10.6.8 mysql-5.6.5-m8-osx10.6-x86 (not _x64 version) Note: I'm also running Mysql 5.5 on this machine (different port and socket). I also try to stop this instance but I get the some error.

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  • Unable to install mysql-server in Ubuntu

    - by Arihant
    I am unable to install mysql-server on my ubuntu 9.10 server machine. When using apt-get install mysql-server the output is : # apt-get install mysql-server Reading package lists... Done Building dependency tree Reading state information... Done mysql-server is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 120 not upgraded. 2 not fully installed or removed. After this operation, 0B of additional disk space will be used. Setting up mysql-server-5.1 (5.1.37-1ubuntu5.4) ... * Stopping MySQL database server Mysqld [ OK ] * Starting MySQL database server mysqld [fail] invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.1 (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.1; however: Package mysql-server-5.1 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates its a followup error from a previous failure. Errors were encountered while processing: mysql-server-5.1 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) I cant find a satisfactory solution to this problem anywhere. Many sites tell to reinstall it but its not working. Any help will be appreciated. Thank you..

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  • can't install mysql-devel on centos 6.5

    - by Latheesan Kanes
    I need mysql-devel package to be installed on my CentOS 6.5 running Percona 5.5 (already installed & running). When I try to install the devel package like this: yum --enablerepo=remi install mysql-devel I get the following error: Error: Package: mysql-devel-5.5.37-1.el6.remi.i686 (remi) Requires: real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Available: mysql-libs-5.5.36-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.36-1.el6.remi Available: mysql-libs-5.5.37-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Error: Package: mysql-5.5.37-1.el6.remi.i686 (remi) Requires: real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Available: mysql-libs-5.5.36-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.36-1.el6.remi Available: mysql-libs-5.5.37-1.el6.remi.i686 (remi) real-mysql-libs(x86-32) = 5.5.37-1.el6.remi Error: mysql conflicts with Percona-Server-client-55-5.5.37-rel35.0.el6.i686 Here's what's currently installed on my server: [root@server1 ~]# yum list installed | grep mysql php-mysqlnd.i686 5.4.29-1.el6.remi @remi [root@server1 ~]# yum list installed | grep percona Percona-Server-client-55.i686 5.5.37-rel35.0.el6 @percona Percona-Server-server-55.i686 5.5.37-rel35.0.el6 @percona Percona-Server-shared-55.i686 5.5.37-rel35.0.el6 @percona [root@server1 ~]# Any ideas how to fix this dependency error?

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  • Completely reset mysql server authentication

    - by p3dro-sola
    I was trying to change the password for a user on a mysql server, and i appear to have locked myself out. I have access to the root user, but root doesn't have the privileges to access any databses, including the 'mysql' database where all the config is kept. Is there any way i can 'reset' the root user? (i have full file-system access) ... or do i just need to reinstall (can i salvage my data?) Thanks. -Ped

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  • Authenticate by libpam-mysql and libnss-mysql (CentOS)

    - by Chris
    I'm trying to get MySQL to function as a backend for authenticating users on CentOS 6.3. So far I have successfully installed and configured libnss-mysql. I can test this by doing: # groups testuser testuser : sftp Testuser is a member of the sftp group in fact, all MySQL based useraccounts will be hardcoded to it. The sftp group is chrooted and forced to use internal-sftp so they cannot do anything but access their home directory. Then I configured pam-mysql and PAM to allow mysql logins. This also works.. When SELinux is not enforcing. When I do setenforce 1 users can no longer login. Error: Permission denied, please try again. This is my pam_mysql.conf file: users.host=localhost users.db_user=nss-pam-user users.db_passwd=*********** users.database=sftpusers users.table=users users.user_column=username users.password_column=password users.password_crypt=6 verbose=1 My /etc/pam.d/sshd: #%PAM-1.0 auth sufficient pam_sepermit.so auth include password-auth auth required pam_mysql.so config_file=/etc/pam_mysql.conf account sufficient pam_nologin.so account include password-auth account required pam_mysql.so config_file=/etc/pam_mysql.conf password include password-auth # pam_selinux.so close should be the first session rule session required pam_selinux.so close session required pam_loginuid.so # pam_selinux.so open should only be followed by sessions to be executed in the user context session required pam_selinux.so open env_params session optional pam_keyinit.so force revoke session include password-auth And to be complete the contents of some log files.. /var/logs/secure Nov 20 14:52:20 hostname unix_chkpwd[4891]: check pass; user unknown Nov 20 14:52:20 hostname unix_chkpwd[4891]: password check failed for user (testuser) Nov 20 14:52:20 hostname sshd[4880]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.168.10.107 user=testuser Nov 20 14:52:22 sftpusers sshd[4880]: Failed password for testuser from 192.168.10.107 port 51849 ssh2 /var/logs/audit/audit.log type=USER_AUTH msg=audit(1353420107.070:812): user pid=5285 uid=0 auid=500 ses=24 subj=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 msg='op=pubkey acct="testuser" exe="/usr/sbin/sshd" hostname=? addr=192.168.10.107 terminal=ssh res=failed' type=USER_AUTH msg=audit(1353420112.312:813): user pid=5285 uid=0 auid=500 ses=24 subj=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 msg='op=PAM:authentication acct="testuser" exe="/usr/sbin/sshd" hostname=192.168.10.107 addr=192.168.10.107 terminal=ssh res=failed' type=USER_AUTH msg=audit(1353420112.456:814): user pid=5285 uid=0 auid=500 ses=24 subj=unconfined_u:system_r:sshd_t:s0-s0:c0.c1023 msg='op=password acct="testuser" exe="/usr/sbin/sshd" hostname=? addr=192.168.10.107 terminal=ssh res=failed' I tried to let audit2why explain the problem but it remains silent even though there are some errors. Does anyone see the problem? Thanks! EDIT: Turns out it's almost working with setenforce 0 I can mkdir foobar but if I do a single ls I get an error: Received message too long 16777216

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  • Migrating mysql 4 to mysql 5

    - by Lennart Regebro
    This seems to me to be a common use case, so I'm surprised so little information is about it, so sorry if it's a duplicate, but I have searched. :) I'm migrating a clients website from one CMS to another, and of moving to newer faster machines all at the same time. As a part of this I'm moving a MySQL database from the old server to the new ones. The problem is that the old server runs MySQL 4 and the new MySQL 5. So when i do a mysqldump at the old site and then try to run it on the new site I get syntax errors. ERROR 1064 (42000) at line 178: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'BTREE (`id`), KEY `f_ChangedOnWeb` (`f_ChangedOnWeb`), KEY `f_AddressUpdate`' at line 56 I also tried to use an even older syntax by dumping with --compatible mysql323, but that just resulted in ERROR 1062 (23000) at line 2283: Duplicate entry '??????????' for key 2`... It seems to me this must be a reasonably common use case, yet I can't find any sort of help on this. Possibly all my Google searches just drown in irrelevant answers. Most seem to agree that mysqldump is the right answer, but noone mentions that you can get syntax errors...

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  • High Load mysql on Debian server stops every day. Why?

    - by Oleg Abrazhaev
    I have Debian server with 32 gb memory. And there is apache2, memcached and nginx on this server. Memory load always on maximum. Only 500m free. Most memory leak do MySql. Apache only 70 clients configured, other services small memory usage. When mysql use all memory it stops. And nothing works, need mysql reboot. Mysql configured use maximum 24 gb memory. I have hight weight InnoDB bases. (400000 rows, 30 gb). And on server multithread daemon, that makes many inserts in this tables, thats why InnoDB. There is my mysql config. [mysqld] # # * Basic Settings # default-time-zone = "+04:00" user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp language = /usr/share/mysql/english skip-external-locking default-time-zone='Europe/Moscow' # # Instead of skip-networking the default is now to listen only on # localhost which is more compatible and is not less secure. # # * Fine Tuning # #low_priority_updates = 1 concurrent_insert = ALWAYS wait_timeout = 600 interactive_timeout = 600 #normal key_buffer_size = 2024M #key_buffer_size = 1512M #70% hot cache key_cache_division_limit= 70 #16-32 max_allowed_packet = 32M #1-16M thread_stack = 8M #40-50 thread_cache_size = 50 #orderby groupby sort sort_buffer_size = 64M #same myisam_sort_buffer_size = 400M #temp table creates when group_by tmp_table_size = 3000M #tables in memory max_heap_table_size = 3000M #on disk open_files_limit = 10000 table_cache = 10000 join_buffer_size = 5M # This replaces the startup script and checks MyISAM tables if needed # the first time they are touched myisam-recover = BACKUP #myisam_use_mmap = 1 max_connections = 200 thread_concurrency = 8 # # * Query Cache Configuration # #more ignored query_cache_limit = 50M query_cache_size = 210M #on query cache query_cache_type = 1 # # * Logging and Replication # # Both location gets rotated by the cronjob. # Be aware that this log type is a performance killer. #log = /var/log/mysql/mysql.log # # Error logging goes to syslog. This is a Debian improvement :) # # Here you can see queries with especially long duration log_slow_queries = /var/log/mysql/mysql-slow.log long_query_time = 1 log-queries-not-using-indexes # # The following can be used as easy to replay backup logs or for replication. # note: if you are setting up a replication slave, see README.Debian about # other settings you may need to change. #server-id = 1 #log_bin = /var/log/mysql/mysql-bin.log server-id = 1 log-bin = /var/lib/mysql/mysql-bin #replicate-do-db = gate log-bin-index = /var/lib/mysql/mysql-bin.index log-error = /var/lib/mysql/mysql-bin.err relay-log = /var/lib/mysql/relay-bin relay-log-info-file = /var/lib/mysql/relay-bin.info relay-log-index = /var/lib/mysql/relay-bin.index binlog_do_db = 24avia expire_logs_days = 10 max_binlog_size = 100M read_buffer_size = 4024288 innodb_buffer_pool_size = 5000M innodb_flush_log_at_trx_commit = 2 innodb_thread_concurrency = 8 table_definition_cache = 2000 group_concat_max_len = 16M #binlog_do_db = gate #binlog_ignore_db = include_database_name # # * BerkeleyDB # # Using BerkeleyDB is now discouraged as its support will cease in 5.1.12. #skip-bdb # # * InnoDB # # InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/. # Read the manual for more InnoDB related options. There are many! # You might want to disable InnoDB to shrink the mysqld process by circa 100MB. #skip-innodb # # * Security Features # # Read the manual, too, if you want chroot! # chroot = /var/lib/mysql/ # # For generating SSL certificates I recommend the OpenSSL GUI "tinyca". # # ssl-ca=/etc/mysql/cacert.pem # ssl-cert=/etc/mysql/server-cert.pem # ssl-key=/etc/mysql/server-key.pem [mysqldump] quick quote-names max_allowed_packet = 500M [mysql] #no-auto-rehash # faster start of mysql but no tab completition [isamchk] key_buffer = 32M key_buffer_size = 512M # # * NDB Cluster # # See /usr/share/doc/mysql-server-*/README.Debian for more information. # # The following configuration is read by the NDB Data Nodes (ndbd processes) # not from the NDB Management Nodes (ndb_mgmd processes). # # [MYSQL_CLUSTER] # ndb-connectstring=127.0.0.1 # # * IMPORTANT: Additional settings that can override those from this file! # The files must end with '.cnf', otherwise they'll be ignored. # !includedir /etc/mysql/conf.d/ Please, help me make it stable. Memory used /etc/mysql # free total used free shared buffers cached Mem: 32930800 32766424 164376 0 139208 23829196 -/+ buffers/cache: 8798020 24132780 Swap: 33553328 44660 33508668 Maybe my problem not in memory, but MySQL stops every day. As you can see, cache memory free 24 gb. Thank to Michael Hampton? for correction. Load overage on server 3.5. Maybe hdd or another problem? Maybe my config not optimal for 30gb InnoDB ? I'm already try mysqltuner and tunung-primer.sh , but they marked all green. Mysqltuner output mysqltuner >> MySQLTuner 1.0.1 - Major Hayden <[email protected]> >> Bug reports, feature requests, and downloads at http://mysqltuner.com/ >> Run with '--help' for additional options and output filtering -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.5.24-9-log [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in MyISAM tables: 112G (Tables: 1528) [--] Data in InnoDB tables: 39G (Tables: 340) [--] Data in PERFORMANCE_SCHEMA tables: 0B (Tables: 17) [!!] Total fragmented tables: 344 -------- Performance Metrics ------------------------------------------------- [--] Up for: 8h 18m 33s (14M q [478.333 qps], 259K conn, TX: 9B, RX: 5B) [--] Reads / Writes: 84% / 16% [--] Total buffers: 10.5G global + 81.1M per thread (200 max threads) [OK] Maximum possible memory usage: 26.3G (83% of installed RAM) [OK] Slow queries: 1% (259K/14M) [!!] Highest connection usage: 100% (201/200) [OK] Key buffer size / total MyISAM indexes: 1.5G/5.6G [OK] Key buffer hit rate: 100.0% (6B cached / 1M reads) [OK] Query cache efficiency: 74.3% (8M cached / 11M selects) [OK] Query cache prunes per day: 0 [OK] Sorts requiring temporary tables: 0% (0 temp sorts / 247K sorts) [!!] Joins performed without indexes: 106025 [!!] Temporary tables created on disk: 49% (351K on disk / 715K total) [OK] Thread cache hit rate: 99% (249 created / 259K connections) [!!] Table cache hit rate: 15% (2K open / 13K opened) [OK] Open file limit used: 15% (3K/20K) [OK] Table locks acquired immediately: 99% (4M immediate / 4M locks) [!!] InnoDB data size / buffer pool: 39.4G/5.9G -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance MySQL started within last 24 hours - recommendations may be inaccurate Reduce or eliminate persistent connections to reduce connection usage Adjust your join queries to always utilize indexes Temporary table size is already large - reduce result set size Reduce your SELECT DISTINCT queries without LIMIT clauses Increase table_cache gradually to avoid file descriptor limits Variables to adjust: max_connections (> 200) wait_timeout (< 600) interactive_timeout (< 600) join_buffer_size (> 5.0M, or always use indexes with joins) table_cache (> 10000) innodb_buffer_pool_size (>= 39G) Mysql primer output -- MYSQL PERFORMANCE TUNING PRIMER -- - By: Matthew Montgomery - MySQL Version 5.5.24-9-log x86_64 Uptime = 0 days 8 hrs 20 min 50 sec Avg. qps = 478 Total Questions = 14369568 Threads Connected = 16 Warning: Server has not been running for at least 48hrs. It may not be safe to use these recommendations To find out more information on how each of these runtime variables effects performance visit: http://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html Visit http://www.mysql.com/products/enterprise/advisors.html for info about MySQL's Enterprise Monitoring and Advisory Service SLOW QUERIES The slow query log is enabled. Current long_query_time = 1.000000 sec. You have 260626 out of 14369701 that take longer than 1.000000 sec. to complete Your long_query_time seems to be fine BINARY UPDATE LOG The binary update log is enabled Binlog sync is not enabled, you could loose binlog records during a server crash WORKER THREADS Current thread_cache_size = 50 Current threads_cached = 45 Current threads_per_sec = 0 Historic threads_per_sec = 0 Your thread_cache_size is fine MAX CONNECTIONS Current max_connections = 200 Current threads_connected = 11 Historic max_used_connections = 201 The number of used connections is 100% of the configured maximum. You should raise max_connections INNODB STATUS Current InnoDB index space = 214 M Current InnoDB data space = 39.40 G Current InnoDB buffer pool free = 0 % Current innodb_buffer_pool_size = 5.85 G Depending on how much space your innodb indexes take up it may be safe to increase this value to up to 2 / 3 of total system memory MEMORY USAGE Max Memory Ever Allocated : 23.46 G Configured Max Per-thread Buffers : 15.84 G Configured Max Global Buffers : 7.54 G Configured Max Memory Limit : 23.39 G Physical Memory : 31.40 G Max memory limit seem to be within acceptable norms KEY BUFFER Current MyISAM index space = 5.61 G Current key_buffer_size = 1.47 G Key cache miss rate is 1 : 5578 Key buffer free ratio = 77 % Your key_buffer_size seems to be fine QUERY CACHE Query cache is enabled Current query_cache_size = 200 M Current query_cache_used = 101 M Current query_cache_limit = 50 M Current Query cache Memory fill ratio = 50.59 % Current query_cache_min_res_unit = 4 K MySQL won't cache query results that are larger than query_cache_limit in size SORT OPERATIONS Current sort_buffer_size = 64 M Current read_rnd_buffer_size = 256 K Sort buffer seems to be fine JOINS Current join_buffer_size = 5.00 M You have had 106606 queries where a join could not use an index properly You have had 8 joins without keys that check for key usage after each row join_buffer_size >= 4 M This is not advised You should enable "log-queries-not-using-indexes" Then look for non indexed joins in the slow query log. OPEN FILES LIMIT Current open_files_limit = 20210 files The open_files_limit should typically be set to at least 2x-3x that of table_cache if you have heavy MyISAM usage. Your open_files_limit value seems to be fine TABLE CACHE Current table_open_cache = 10000 tables Current table_definition_cache = 2000 tables You have a total of 1910 tables You have 2151 open tables. The table_cache value seems to be fine TEMP TABLES Current max_heap_table_size = 2.92 G Current tmp_table_size = 2.92 G Of 366426 temp tables, 49% were created on disk Perhaps you should increase your tmp_table_size and/or max_heap_table_size to reduce the number of disk-based temporary tables Note! BLOB and TEXT columns are not allow in memory tables. If you are using these columns raising these values might not impact your ratio of on disk temp tables. TABLE SCANS Current read_buffer_size = 3 M Current table scan ratio = 2846 : 1 read_buffer_size seems to be fine TABLE LOCKING Current Lock Wait ratio = 1 : 185 You may benefit from selective use of InnoDB. If you have long running SELECT's against MyISAM tables and perform frequent updates consider setting 'low_priority_updates=1'

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  • How to run benchmarking on MySQL?

    - by HexaHow
    My server has installed MySQL Server 5.1. I would like to run benchmarking on the MySQL, but I couldn't found sql-bench, which is Benchmark Suite provided by MySQL. The MySQL Benchmark Suite seem like complicated to be install or setup into my server. I need one can be direct setup to test the benchmark without using Perl script liked the benchmark suite from MySQL. Do anyone knows how to get the most popular benchmarking tool to measure MySQL performance? I need to measure the performance of my SQL written in ASP.Net that connecting to MySQL. I need to optimize the SQL script. It's better has a benchmarking tool where can be read my SQL in many times and return me the query result's time for comparison, etc. I just need to know the time consuming and performance for the each SQL runs in many times.

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  • MySQL is killing the server IO.

    - by OneOfOne
    I manage a fairly large/busy vBulletin forums (running on gigenet cloud), the database is ~ 10 GB (~9 milion posts, ~60 queries per second), lately MySQL have been grinding the disk like there's no tomorrow according to iotop and slowing the site. The last idea I can think of is using replication, but I'm not sure how much that would help and worried about database sync. I'm out of ideas, any tips on how to improve the situation would be highly appreciated. Specs : Debian Lenny 64bit ~12Ghz (6x2GHz) CPU, 7520gb RAM, 160gb disk. Kernel : 2.6.32-4-amd64 mysqld Ver 5.1.54-0.dotdeb.0 for debian-linux-gnu on x86_64 ((Debian)) Other software: vBulletin 3.8.4 memcached 1.2.2 PHP 5.3.5-0.dotdeb.0 (fpm-fcgi) (built: Jan 7 2011 00:07:27) lighttpd/1.4.28 (ssl) - a light and fast webserver PHP and vBulletin are configured to use memcached. MySQL Settings : [mysqld] key_buffer = 128M max_allowed_packet = 16M thread_cache_size = 8 myisam-recover = BACKUP max_connections = 1024 query_cache_limit = 2M query_cache_size = 128M expire_logs_days = 10 max_binlog_size = 100M key_buffer_size = 128M join_buffer_size = 8M tmp_table_size = 16M max_heap_table_size = 16M table_cache = 96 Other : From the cloud's IO chart, we're averaging 100mb/s read. > vmstat procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 9 0 73140 36336 8968 1859160 0 0 42 15 3 2 6 1 89 5 > /etc/init.d/mysql status Threads: 49 Questions: 252139 Slow queries: 164 Opens: 53573 Flush tables: 1 Open tables: 337 Queries per second avg: 61.302. moved from superuser

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  • MySQL replication - rapidly growing relay bin logs

    - by Rob Forrest
    Morning all, I've got a really strange situation here this morning much like a reportedly fixed MySQL bug. http://bugs.mysql.com/bug.php?id=28421 My relay bin logs are rapidly filling with an infinite loop of junk made of this sort of thing. #121018 5:40:04 server id 101 end_log_pos 15598207 #Append_block: file_id: 2244 block_len: 8192 # at 15598352 #121018 5:40:04 server id 101 end_log_pos 15606422 #Append_block: file_id: 2244 block_len: 8192 # at 15606567 ... # at 7163731 #121018 5:38:39 server id 101 end_log_pos 7171801 #Append_block: file_id: 2243 block_len: 8192 WARNING: Ignoring Append_block as there is no Create_file event for file_id: 2243 # at 7171946 #121018 5:38:39 server id 101 end_log_pos 7180016 #Append_block: file_id: 2243 block_len: 8192 WARNING: Ignoring Append_block as there is no Create_file event for file_id: 2243 These log files grow to 1Gb within about a minute before rotating and starting again. These big files are interspersed with 1 or 2 smaller files with just this in /*!40019 SET @@session.max_insert_delayed_threads=0*/; /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/; DELIMITER /*!*/; # at 4 #121023 9:43:05 server id 100 end_log_pos 106 Start: binlog v 4, server v 5.1.61-log created 121023 9:43:05 BINLOG ' mViGUA9kAAAAZgAAAGoAAAAAAAQANS4xLjYxLWxvZwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAEzgNAAgAEgAEBAQEEgAAUwAEGggAAAAICAgC '/*!*/; # at 106 #121023 9:43:05 server id 100 end_log_pos 156 Rotate to mysqld-relay-bin.000003 pos: 4 DELIMITER ; # End of log file ROLLBACK /* added by mysqlbinlog */; /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/; We're running a master-master replication setup with the problematic server running mysql 5.1.61. The other server which is, for the moment, stable is running 5.1.58. Has anyone got any ideas what the solution is to this and moreover, what might have caused this?

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  • Sporadic crash of master-slave MySQL replication process

    - by obarshay
    Hello, I was wondering if someone has experienced this and can perhaps provide some insight into this issue. We have a plan-vanilla MySQL master-slave replication set up. The tables are MyISAM and the master can get quite read/write active. We use the slave instance to perform full daily backups in order to avoid bringing down the master server. The backup process does the following: STOP SLAVE SQL_THREAD mysqlhotcopy all tables START SLAVE SQL_THREAD Every once in a while (once a month or so) the replication breaks with varying error messages indicating a corrupt query or log file. Here's one that happened last night: mysql> show slave status \G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: server8.propreports.com Master_User: nexus8 Master_Port: 3306 Connect_Retry: 60 Master_Log_File: bin.000045 Read_Master_Log_Pos: 581644327 Relay_Log_File: relay.000086 Relay_Log_Pos: 94131 Relay_Master_Log_File: bin.000045 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1064 Last_Error: Error 'You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '138070603'£' at line 1' on query. Default database: 'wtsdb'. Query: 'UPDATE fill SET clearing_fee='0.0E id='138070603'£' Skip_Counter: 0 Exec_Master_Log_Pos: 4164743 Relay_Log_Space: 577574251 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL I follow the following procedure to recover from above error and resume replication: stop slave; change master to MASTER_LOG_POS = 4164743, MASTER_LOG_FILE = 'bin.000045'; start slave; We have multiple servers set up this way and they all sporadically stop replicating with a similar error. Any advice on how to resolve this would be greatly appreciated.

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  • MySQL for Excel 1.3.0 Beta has been released

    - by Javier Treviño
    The MySQL Windows Experience Team is proud to announce the release of MySQL for Excel version 1.3.0.  This is a beta release for 1.3.x. MySQL for Excel is an application plug-in enabling data analysts to very easily access and manipulate MySQL data within Microsoft Excel. It enables you to directly work with a MySQL database from within Microsoft Excel so you can easily do tasks such as: Importing MySQL data into Excel Exporting Excel data directly into MySQL to a new or existing table Editing MySQL data directly within Excel As this is a beta version the MySQL for Excel product can be downloaded only by using the product standalone installer at this link http://dev.mysql.com/downloads/windows/excel/ Your feedback on this beta version is very well appreciated, you can raise bugs on the MySQL bugs page or give us your comments on the MySQL for Excel forum. Changes in MySQL for Excel 1.3.0 (2014-06-06, Beta) This section documents all changes and bug fixes applied to MySQL for Excel since the release of 1.2.1. Several new features were added, for more information see What Is New In MySQL for Excel (http://dev.mysql.com/doc/refman/5.6/en/mysql-for-excel-what-is-new.html). Known limitations: Upgrading from versions MySQL for Excel 1.2.0 and lower is not possible due to a bug fixed in MySQL for Excel 1.2.1. In that scenario, the old version (MySQL for Excel 1.2.0 or lower) must be uninstalled first. Upgrading from version 1.2.1 works correctly. <CTRL> + <A> cannot be used to select all database objects. Either <SHIFT> + <Arrow Key> or <CTRL> + click must be used instead. PivotTables are normally placed to the right (skipping one column) of the imported data, they will not be created if there is another existing Excel object at that position. Functionality Added or Changed Imported data can now be refreshed by using the native Refresh feature. Fields in the imported data sheet are then updated against the live MySQL database using the saved connection ID. Functionality was added to import data directly into PivotTables, which can be created from any Import operation. Multiple objects (tables and views) can now be imported into Excel, when before only one object could be selected. Relational information is also utilized when importing multiple objects. All options now have descriptive tooltips. Hovering over an option/preference displays helpful information about its use. A new Export Data, Advanced Options option was added that shows all available data types in the Data Type combo box, instead of only showing a subset of the most popular data types. The option dialogs now include a Refresh to Defaults button that resets the dialog's options to their defaults values. Each option dialog is set individually. A new Add Summary Fields for Numeric Columns option was added to the Import Data dialog that automatically adds summary fields for numeric data after the last row of the imported data. The specific summary function is selectable from many options, such as "Total" and "Average." A new collation option was added for the schema and table creation wizards. The default schema collation is "Server Default", and the default table collation is "Schema Default". Collation options may be selected from a drop-down list of all available collations. Quick links: MySQL for Excel documentation: http://dev.mysql.com/doc/en/mysql-for-excel.html. MySQL on Windows blog: http://blogs.oracle.com/MySQLOnWindows. MySQL for Excel forum: http://forums.mysql.com/list.php?172. MySQL YouTube channel: http://www.youtube.com/user/MySQLChannel. Enjoy and thanks for the support! 

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  • Three Ways to Get Started with MySQL Training

    - by Antoinette O'Sullivan
    Here is your chance to learn how this powerful relational database management system can make your life easier and more fun! This class covers all the basics and will get you on your way, with a solid foundation. This instructor led, hands-on class covers the fundamentals of SQL and relational databases, using MySQL[tm] as a teaching tool. You can take this 4 day instructor-led class in any of the following three ways: Training-On-Demand: See what Ben Krug, MySQL Support Engineer has to say about his experience taking the MySQL for Beginners TOD. With this streaming video delivery, you get started on taking the MySQL for Beginners course within 24 hrs of purchase, and follow the course at your own pace. Live-Virtual-Class: Take this class from your own desk - no travel required. There is a wide range of events on the schedule with delivery in English and German. In-Class: Travel to an education center to follow this class. Below is a sample of event on the schedule:  Location  Date  Delivery Language  Mechelen, Belgium  14 January 2013  English  London, England  3 December 2012  English  Hamburg, Germany  3 December 2012  German  Budapest, Hungary  5 February 2013  Hungarian  Riga, Latvia 18 February 2013   Latvian Amsterdam, Netherlands  10 December 2012  Dutch  Nieuwegein, Netherlands  18 February 2013  Dutch  Warsaw, Poland  26 November 2012   Polish  Lisbon, Portugal 25 March 2013  European Portugese   Porto, Portugal  25 March 2013  European Portugese  Barcelona, Spain 11 February 2013   Spanish  Madrid, Spain 8 January 2013   Spanish Nairobi, Kenya  14 January 2013   English  Cape Town, South Africa  22 July 2013  English  Pretoria, South Africa 22 April 2013  English Ottawa, Canada 17 December 2012  English  Toronto, Canada 17 December 2012   English  Montreal, Canada  17 December 2012 English  For more information on the Authentic MySQL Curriculum or to register your interest in an additional event, go to http://oracle.com/education/mysql. Note, many organizations deploy both Oracle Database and MySQL side by side to serve different needs, and as a database professional you can find training courses on both topics at Oracle University! Check out the upcoming Oracle Database training courses and MySQL training courses. Even if you're only managing Oracle Databases at this point of time, getting familiar with MySQL will broaden your career path with growing job demand.

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  • Why does my MySQL remote-connection fail (VLAN)?

    - by Johannes Nielsen
    ubuntu-community! Again I have a problem with my special friend MySQL :D I have got two servers - a database-server and a web-server - who are connected via VLAN. Now I want the web-server to have remote access to the database-server's MySQL. So I created the user user in mysql.user. user's Host is xxx.yyy.zzz.9 which is the internal IP-address of the web-server. xxx.yyy.zzz.0 is the network. I also created user with Host % . As long as I use MySQL on the database-server logging in as user, everything works fine. But trying to log in as user from xxx.yyy.zzz.9 using mysql -h xxx.yyy.zzz.8 -u user -p (where xxx.yyy.zzz.8 is the database-server's internal IP), I get ERROR 2003 (HY000): Can't connect to MySQL server on 'xxx.yyy.zzz.8' (110) So I tried to activate Bind-Address in the my.cnf file. Well, if I use xxx.yyy.zzz.8, nothing changes. But if I try xxx.yyy.zzz.9 and try to restart MySQL, I get mysql stop/waiting start: Job failed to start I checked the log files and found - nothing. The database-server's MySQL doesn't even register, that the web-server tries to connect remotely. My idea is, that maybe I didn't configure the VLAN properley, even though I asked someone who actually knows such stuff and he told me, I did everything right. What I wrote into /etc/networking/interfaces is: #The VLAN auto eth1 iface eth1 inet static address xxx.yyy.zzz..8 netmask 255.255.255.0 network xxx.yyy.zzz.0 broadcast xxx.yyy.zzz.255 mtu 1500 ifconfig returns eth1 Link encap:Ethernet HWaddr xxxxxxxxxxxxxx inet addr:xxx.yyy.zzz.8 Bcast:xxx.yyy.zzz.255 Mask:255.255.255.0 inet6 addr: xxxxxxxxxxxxxxx/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:241146 errors:0 dropped:0 overruns:0 frame:0 TX packets:9765 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:17825995 (17.8 MB) TX bytes:566602 (566.6 KB) Memory:fb900000-fb920000 for the eth1, what is, what I configured. (This is for the database-server, the web-server looks similar). ethtool eth1 returns: Settings for eth1: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: 100Mb/s Duplex: Full Port: Twisted Pair PHYAD: 1 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: d Wake-on: d Current message level: 0x00000003 (3) drv probe Link detected: yes (This is for the database-server, the web-server looks similar). Actually I think, everything is right, but it still doesn't work. Is there someone with an idea? EDIT: I commented ou Bind-Address in my.cnf after it didn't work.

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  • Learn All About MySQL Cluster

    - by Antoinette O'Sullivan
    Just released - the all new MySQL Cluster training course. This MySQL Cluster training teaches you how to install and configure a real-time database cluster at the core of your application. Expert instructors will teach you how to design and maintain your clusters for high availability and scalability by using MySQL Cluster's open-source and enterprise components. This 4-day training course is a must for those who want to learn about MySQL Cluster as you will not only learn about the concepts and features but you will get extensive hands-on experience. You can follow this training course from your own desk via a live-virtual training or by traveling to an education center to follow this course. Be the first to influence the schedule for this newly released course by registering your interest on the Oracle University portal. For more information about the authentic MySQL curriculum, go to http://education.oracle.com/mysql

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  • My talks at MySQL Connect and Oracle OpenWorld 2012

    - by user13177919
    I hope you're as excited as I am about the upcoming MySQL Connect conference (and the small gathering that follows it ;).  I'll be delivering talks for both, as well as hanging at the MySQL demo pods. So come join me and the rest of the MySQL engineers attending the conference(s). Here are the details of my two talks: MySQL Security: Past and PresentSession ID: CON8248Hilton San Francisco - Golden Gate 8 30 Sep 2012, 11:45 - 12:45 Quick Dive into MySQL: Understanding MySQL Basics in One HourSession ID: CON5889Moscone West - 3024 1 Oct 2012, 15:15 - 16:15 BTW, Thanks to those 100+ of you that already registered ! 

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  • Forward Mysql logs to Syslog-ng

    - by Mbeale
    Ubuntu 10.04 I have set MySQL to log slow queries and a general mysql log. How can I pipe those files in syslog to forward to centralized logging service (which is working)? Tried: source s_mysql_instance_1 { pipe("/var/log/mysql/mysql.log" ); }; log { source(s_mysql_instance_1); destination(d_loggly); }; Get: Error opening file for reading; filename='/var/log/mysql/mysql.log', error='Permission denied (13)' Error initializing source driver; source='s_mysql_instance_1', id='s_mysql_instance_1#0' Error initializing message pipeline; I have also disabled apparmor and still get the same results

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  • Keeping up with New Releases

    - by Jeremy Smyth
    You can keep up with the latest developments in MySQL software in a number of ways, including various blogs and other channels. However, for the most correct (if somewhat dry and factual) information, you can go directly to the source.  Major Releases  For every major release, the MySQL docs team creates and maintains a "nutshell" page containing the significant changes in that release. For the current GA release (whatever that is) you'll find it at this location: https://dev.mysql.com/doc/mysql/en/mysql-nutshell.html  At the moment, this redirects to the summary notes for MySQL 5.6. The notes for MySQL 5.7 are also available at that website, at the URL http://dev.mysql.com/doc/refman/5.7/en/mysql-nutshell.html, and when eventually that version goes GA, it will become the currently linked notes from the URL shown above. Incremental Releases  For more detail on each incremental release, you can have a look at the release notes for each revision. For MySQL 5.6, the release notes are stored at the following location: http://dev.mysql.com/doc/relnotes/mysql/5.6/en/ At the time I write this, the topmost entry is a link for MySQL 5.6.15. Each linked page shows the changes in that particular version, so if you are currently running 5.6.11 and are interested in what bugs were fixed in versions since then, you can look at each subsequent release and see all changes in glorious detail. One really clever thing you can do with that site is do an advanced Google search to find exactly when a feature was released, and find out its release notes. By using the preceding link in a "site:" directive in Google, you can search only within those pages for an entry. For example, the following Google search shows pages within the release notes that reference the --slow-start-timeout option:     site:http://dev.mysql.com/doc/relnotes/mysql/ "--slow-start-timeout" By running that search, you can see that the option was added in MySQL 5.6.5 and also rolled into MySQL 5.5.20.   White Papers Also, with each major release you can usually find a white paper describing what's new in that release. In MySQL 5.6 there was a "What's new" whitepaper at this location: http://www.mysql.com/why-mysql/white-papers/whats-new-mysql-5-6/ You'll find other white papers at: http://www.mysql.com/why-mysql/white-papers/ Search the page for "5.6" to see any papers dealing specificallly with that version.

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  • Mess up between mysql server and phpmyadmin

    - by user206948
    0 down vote favorite After I installed XAMP on my ubuntu 12.10 it was working fine with mysql. I could start mysql- sudo mysql -uroot -p. I connet it using 127.0.0.1:3306 Recently I installed phpmyadmin. When I start it it shows access denied. I got solution from web: sudo /etc/init.d/apache2 stop sudo /etc/init.d/mysql stop sudo /etc/init.d/proftpd stop sudo /opt/lampp/lampp start Now I start phpmyadmin it starts but now I could not connect with mysql on terminal. Additionally phpmyadmin database does not shows all existing databse on mysql. CAn anyone tell me what's going on here? I am using ubuntu 12.10

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