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  • ???????/???MySQL?????? ??????

    - by Yusuke.Yamamoto
    ????? ??:2011/07/25 ??:??????/?? MySQL ??????????????????????????????Associate?Administrator?Developer?Cluster ?????????????????????????????????????????????????? MySQL 5 Certified Associate ?? / ????????????????MySQL 5 Developer Certified Professional ?? / ????????????????MySQL 5 Database Administrator Certified Professional ?? / ????????????????MySQL 5.1 Cluster Database Administrator Certified Expert ?? / ???????????????? ????????? ????????????????? http://otndnld.oracle.co.jp/ondemand/otn-seminar/movie/20110725MySQL_Cert.wmv http://www.oracle.com/technetwork/jp/ondemand/db-new/20110725-ou-cert-455765-ja.pdf

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  • Strange mysql problem moving website from Ubuntu server to Mac server

    - by evan
    I'm moving a website (php/mysql) from an Ubuntu server to a OSX 10.6 server. I've set up apache to run php scripts and setup the newest version of mysql on the mac. I just copied all of the php files and dumped/imported all of the mysql databases (including the mysql users database). When I visit the page being served on the Mac the page is able to connect to the database, but not query. Specifically this function mysql_error() is returning this error message NO SUCH FILE OR DIRECTORY The reason it's strange is that I'm able to change the php connection strings for mysql on the Ubuntu server so that it points to the Mac server and the page works correctly (so it seems mysql is correctly set up on the mac and definitely contains all of the users and tables it should). Thinking it was something to do with file permissions on the mac, I've changed all of the files 755 and it hasn't helped. Any ideas? Thanks!! UPDATE: I've found this error which I'm relatively certain is related to this problem in /var/log/apache2/error_log PHP Warning: mysql_query(): A link to the server could not be established

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  • I have to shard a mysql database. I want to start with 12 shards on 2 machines. What is the best w

    - by Tim
    All tables are InnoDb. I would rather not use mysqldump, because the shard sizes will be about 200 GB (about 700 million rows), and that will take too long. I was hoping to just stop mysql for an hour, copy the data files to a new machine, and start back up. But you can't do this with InnoDb, as some data is in the shared tablespace. Even if I have the innodb_file_per_table option set. This is not a website, but a custom application, used by tens of thousands right now, so uptime and performance are important. I suppose I could add logic into my server application to allow for gradual rebalancing / moving of a shard. Does anyone have a better idea?

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  • setsockopt EOPNOTSUPP (Operation not supported)

    - by brant
    When I strace my MySQL process, I keep finding the same error over and over: setsockopt(240, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported) futex(0x87ab944, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x87ab940, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x87ab260, FUTEX_WAKE_PRIVATE, 1) = 1 select(13, [10 12], NULL, NULL, NULL) = 1 (in [12]) fcntl64(12, F_SETFL, O_RDWR|O_NONBLOCK) = 0 accept(12, {sa_family=AF_FILE, path="\246\32629iE"...}, [2]) = 803 fcntl64(12, F_SETFL, O_RDWR) = 0 getsockname(803, {sa_family=AF_FILE, path="/var/lib/mysql\1"...}, [28]) = 0 fcntl64(803, F_SETFL, O_RDONLY) = 0 fcntl64(803, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(803, F_SETFL, O_RDWR|O_NONBLOCK) = 0 setsockopt(803, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported) futex(0x87ab944, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x87ab940, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1 futex(0x87ab260, FUTEX_WAKE_PRIVATE, 1) = 1 select(13, [10 12], NULL, NULL, NULL) = 1 (in [12]) fcntl64(12, F_SETFL, O_RDWR|O_NONBLOCK) = 0 accept(12, {sa_family=AF_FILE, path="\246\32629iE"...}, [2]) = 240 fcntl64(12, F_SETFL, O_RDWR) = 0 getsockname(240, {sa_family=AF_FILE, path="/var/lib/mysql\1"...}, [28]) = 0 fcntl64(240, F_SETFL, O_RDONLY) = 0 fcntl64(240, F_GETFL) = 0x2 (flags O_RDWR) fcntl64(240, F_SETFL, O_RDWR|O_NONBLOCK) = 0 setsockopt(240, SOL_IP, IP_TOS, [8], 4) = -1 EOPNOTSUPP (Operation not supported) When I look for running mysql processes I don't see anything out of the ordinary. I figured it might be someplace in my code, so I modified .htaccess to spit out a 502 error to prevent it from loading anything. The error still shows up, just less frequently. There have been quite a few threads that talk about this error, but no real answer as to how to solve it. my.conf, as per request: [mysqld] #skip-networking #log-slow-queries #safe-show-database #local-infile = 0 log-slow-queries = /var/log/mysql-slow.log max_connections = 200 query_cache_limit = 128643200 key_buffer_size = 1200144000 low_priority_updates = 1 concurrent_insert = 2 thread_cache_size = 7 query_cache_size = 662144000 table_cache = 1600 table_definition_cache = 1024 long_query_time = 2.5 open_files_limit = 2647 max_connect_errors=999999999

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  • SSRS 2008 - How to hide the plus icon in a group visibility toggle cell

    - by Daniel Coffman
    I have a report that shows or hides columns in a group based on a header cell. SSRS makes this pretty easy and is kind enough to place a little plus/minus icon in the toggling cell. I want to HIDE this plus/minus icon when there is only one column of data in the subgroup, because it shows that one column by default so expanding the group doesn't do anything. This really only applies to one specific group, because all the others always have more than one column of data, so a way to hide only the icon for a specific group would be fine. JavaScript won't work (I don't think) because the client ID of the plus/minus image is generated by the report and changes with each generation. see this image for more clarity: http://imgur.com/vqaQA.png

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  • Freeze the indent of a row group in DevExpress GridControl

    - by brader
    I am required to display a DevExpress WinForms GridControl where the rows must be grouped by a date column. When horizontally scrolling the grid, I am required to keep the group row and group indents fixed to the left of the control (so they do not scroll with the columns). I have so far been unable to find any built-in capability for this. There is the ability to fix a column to the left or right side of the control, but the indent is not a true column. FYI, the group row portion is staying "fixed" by handling the drawing of it to always position it at the left. I do not see a way of controlling the drawing of the indent however. Attempts to custom draw an indent have been unsuccessful so far. We are using version 9.3.2.0 of the DevExpress XtraGrid controls for WinForms. Does anyone have any solutions or workarounds that might allow us to at least give the appearance that the group indents are fixed? Thank you!

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  • Cannot create file in directory even though it's writable by a group I belong to

    - by Alan Berndt
    I have a directory structure owned by a certain group, and I am a member of the group that owns these directories. I am able to create files in one directory, but not in another, even though the permissions are the same. alan@bricky:/mnt/storage/media$ stat Music Music\ \(Lossy\)/ File: `Music' Size: 34 Blocks: 8 IO Block: 4096 directory Device: fb00h/64256d Inode: 4215424 Links: 3 Access: (2775/drwxrwsr-x) Uid: ( 1001/ media) Gid: ( 1001/ media) Access: 2011-08-19 11:45:03.182586898 -0700 Modify: 2011-08-19 11:44:01.412840027 -0700 Change: 2011-08-19 11:45:02.734603240 -0700 File: `Music (Lossy)/' Size: 6 Blocks: 8 IO Block: 4096 directory Device: fb00h/64256d Inode: 1512056832 Links: 2 Access: (2775/drwxrwsr-x) Uid: ( 1001/ media) Gid: ( 1001/ media) Access: 2011-08-19 11:45:03.190586606 -0700 Modify: 2011-08-19 10:34:46.526530313 -0700 Change: 2011-08-19 11:45:02.738603094 -0700 alan@bricky:/mnt/storage/media$ touch Music/test alan@bricky:/mnt/storage/media$ touch Music\ \(Lossy\)/test touch: cannot touch `Music (Lossy)/test': Permission denied

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  • Centos Xen resizing DomU partition and volume group

    - by thepearson
    I have a setup like so: Dom0 LV | DomU Physical Disk | | XVDA1 XVDA2 (/boot) (DomU PV) | VolGroup00 (DomU VG) | | LogVol00 LogVol01 (swap) (/) I am trying to resize the DomU root Filesystem. (VolGroup00-LogVol01) I realize that I now need to resize the partition XVDA2, however when I try doing this with parted on Dom0 it just tells me "Error: Could not detect file system." So to resize the root part VolGroup-LogVol00 shouldn't the process be: # Shut down DomU xm shutdown domU #Resize Dom0 Logical volume lvextend -L+2G /dev/volumes/domU-vol # Parted parted /dev/volumes/domU-vol # Resize root partition resize 2 START END (This is where I get an error) "Error: Could not detect file system." # add the vm volume group to Dom0 lvm kpartx -a /dev/volumes/domU-vol # resize the domU PV pvresize /dev/mapper/domU-pl (as listed in pvdisplay) # The domU volume group should automatically adjust # resize the DomU lv lvextend -L+2G /dev/VolGroup/LogVol00 And then obviously increase the fs, remove the device from kpartx etc The problem is I dont know how to resize the partition? How do I resize this partition so I can run pvresize on the DomU? Thanks

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  • Easy Server Monitoring/Logging point in time solution?

    - by Andre Jay Marcelo-Tanner
    I managed my company's servers and I need to know if load spiked at 3am on the web or mysql server, what processes were active in apache or what queries were going on in mysql at that point in time and maybe any other information that will help me. I know all of that is in log files all over and its literally a PITA to look it all up and correlate data. isnt there 1 solution thats been invented. i know we have pingdom to monitor uptime and responsiveness. like if it has taken 30 seconds to load a page or an error was given by apache or php or mysql to the browser, i want to know that and what mysql processes were running at the time, the apache full status and maybe top output also. stuff like that also would be looking for a SAAS like cloudkick, something i dont have to spend an entire month of work hours setting up when we can pay for something cheaper.

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  • sql group by with left join

    - by cometta
    fail statement:Error: ORA-00979: not a GROUP BY expression select org_division.name , org_department.name , org_surveylog.division_code as divisionCode,org_surveylog.department_code as departmentCode , max(org_surveylog.actiondate) from org_surveylog left join org_division on (org_surveylog.division_code= org_division.division_code and org_surveylog.SURVEY_NUM= org_division.survey_num) left join org_department on (org_surveylog.department_code = org_department.department_code and org_surveylog.SURVEY_NUM = org_department.survey_num) group by org_surveylog.division_code,org_surveylog.department_code but below is ok select org_surveylog.division_code as divisionCode,org_surveylog.department_code as departmentCode , max(org_surveylog.actiondate) from org_surveylog left join org_division on (org_surveylog.division_code= org_division.division_code and org_surveylog.SURVEY_NUM= org_division.survey_num) left join org_department on (org_surveylog.department_code = org_department.department_code and org_surveylog.SURVEY_NUM = org_department.survey_num) group by org_surveylog.division_code,org_surveylog.department_code how to use group by with left join when i need to show value of org_division.name , org_department.name ?

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  • How to enable mysqli extension on redhat?

    - by nuthan
    My php.ini says: Additional .ini files parsed /etc/php53/php.d/curl.ini, /etc/php53/php.d/fileinfo.ini, /etc/php53/php.d/json.ini, /etc/php53/php.d/mysqli.ini, /etc/php53/php.d/mysql.ini, /etc/php53/php.d/pdo_mysql.ini, /etc/php53/php.d/phar.ini, /etc/php53/php.d/zip.ini mysqli.ini is loaded.. But still i get this, PHP Fatal error: Class 'mysqli' not found i tried enabling dynamic loading and initialize php scripts with dl("mysqli.so"); i also tried recompiling the php source: ./configure --with-mysql=/usr/lib64/mysql --with- mysqli=/usr/lib64/mysql/mysql_config even this didn't work. Can anybody help me solve my problem? Red Hat Enterprise Linux Server release 5 (Tikanga). x86_64 GNU/Linux. No access to RHN. Thanks.

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  • Configure Nagios To Alert Depending On Host Group That Service Alert Originates From

    - by StrangeWill
    So my setup: Services are shared between all hosts (CPU/RAM/Disk/Services). Hosts are split into two main groups: "Production" and "Development". We have two contact groups: "Production" and "Development". Lets say my development SQL server runs low on RAM, I want it to only alert those in "Development" contact group (this service is of course assigned to a host in the "Development" host group, using the shared RAM monitoring service). I'm pretty much stumped on this... I can't configure it at the service level (they're shared there), and I can't seem to get escalations to do it for me either... Do I need to use service groups along with escalations and bite the bullet on building that list? Or am I missing something stupidly simple? I'm using Centreon for configuration if that helps.

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  • "Fast link detected" warning in GP management console

    - by ???????? ??????
    There is a message that is shown in every report i make in Group Policy Results section of Group Policy Management Console, saying that "A fast link is detected". I followed the link in the waring, but after I read the page several times, I concluded, that I can ignore the warning. However, I noticed that the group policies are not applied when security filtering is used untl "gpupdate /sync" is executed... Is this related to the fast sync? In general, can somebody explain me the consequences of fast links briefly?

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  • Possible to open a text file in a MYSQL stored procedure?

    - by futureelite7
    Is it possible to open and read from a text file in a MYSQL stored procedure? I have a text file with a list of about 50k telephone numbers, and want to write a stored procedure that will open the file, read the 50k lines and store it as rows in a table. I cannot load the file directly using LOAD IN FILE as the table has additional columns that I have to set. Thanks!

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  • How to make multiple segmented inputs in a single input group in Bootstrap

    - by metaculus
    This is how it is supposed to look like on Airbnb home page http://airbnb.com I have tried .input-group-addon and nest in it another <input> like so: <div class="col-lg-6"> <div class="input-group"> <input type="text" class="form-control"> <span class="input-group-addon"> <input type="text" id="nested-input" class="form-control"> </span> <span class="input-group-btn"> <button class="btn btn-default" type="button">Go!</button> </span> </div> </div> </div> And it didn't work. Does Bootstrap support this styling?

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  • I can't make this query work with SUM function

    - by Mehper C. Palavuzlar
    This query gives an error: select ep, case when ob is null and b2b_ob is null then 'a' when ob is not null or b2b_ob is not null then 'b' else null end as type, sum(b2b_d + b2b_t - b2b_i) as sales from table where ... group by ep, type Error: ORA-00904: "TYPE": invalid identifier When I run it with group by ep, the error message becomes: ORA-00979: not a GROUP BY expression The whole query works OK if I remove the lines sum(b2b_d+b2b_t-b2b_i) as sales and group by ..., so the problem should be related to SUM and GROUP BY functions. How can I make this work? Thanks in advance for your help.

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  • Group testNG tests without annotations

    - by diy
    Hi gents and ladies, I'm responsible for allowing unit tests for one of ETL components.I want to acomplish this using testNG with generic java test class and number of test definitions in testng.xmlpassing various parameters to the class.Oracle and ETL guys should be able to add new tests without changing the java code, so we need to use xml suite file instead of annotations. Question Is there a way to group tests in testng.xml?(similarly to how it is done with annotations) I mean something like <group name="first_group"> <test> <class ...> <parameter ...> </test> </group> <group name="second_group"> <test> <class ...> <parameter ...> </test> </group> I've checked the testng.dtd as figured out that similar syntax is not allowed.But is therea workaround to allow grouping? Thanks in advance

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  • Sql Server Service Broker Conversation Groups

    - by Brian Hasden
    Can someone explain conversation groups in service broker? Currently, I'm using service broker to send messages from one SQL server to another. On the sending server, I'm trying to correlate the messages so they are processed in serial on the receiving side. Based on the documentation, conversation groups seem to be a perfect fit for this, but on the receiving server, the messages get assigned to a different conversation group from the one I specified when sending the message. I've search around the web and saw that this behavior seems to be intended (http://social.msdn.microsoft.com/forums/en-US/sqlservicebroker/thread/baf48074-6804-43ab-844a-cb28a6dce02b/), but then I'm confused about the usefulness of the syntax from (http://msdn.microsoft.com/en-us/library/ms178624.aspx) WAITFOR( GET CONVERSATION GROUP @conversation_group_id FROM [dbo].[ReceiveQueue] ) If the conversation group doesn't come across with the message from the sender and messages sent with the same conversation group id don't have the same conversation group id on the receive side, what's the point of the code above?

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