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  • SQL Server 2005 jobs running twice in a row - using LiteSpeed

    - by Malnizzle
    Howdy! I have a SQL server (2005) backing up to a network share, who has a group of maintenance plans setup through LiteSpeed to backup different DBs. They were just set up to run two sub plans on different schedules for full/diff backups and did that just fine for a couple of months. Then I added "Clean Up" task to the subplans. Ever since that point, the backup creates another bak right after the first bak job is completed. I removed the clean up item from the subplan, and it still creates two baks when ran. Both the SQL Activity Monitor and the machine's windows application log show just one job being executed. I did this same thing to a couple of other servers backing up to the same location, and they are behaving correctly. Thoughts?

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  • How to setup Hadoop cluster so that it accepts mapreduce jobs from remote computers?

    - by drasto
    There is a computer I use for Hadoop map/reduce testing. This computer runs 4 Linux virtual machines (using Oracle virtual box). Each of them has Cloudera with Hadoop (distribution c3u4) installed and serves as a node of Hadoop cluster. One of those 4 nodes is master node running namenode and jobtracker, others are slave nodes. Normally I use this cluster from local network for testing. However when I try to access it from another network I cannot send any jobs to it. The computer running Hadoop cluster has public IP and can be reached over internet for another services. For example I am able to get HDFS (namenode) administration site and map/reduce (jobtracker) administration site (on ports 50070 and 50030 respectively) from remote network. Also it is possible to use Hue. Ports 8020 and 8021 are both allowed. What is blocking my map/reduce job submits from reaching the cluster? Is there some setting that I must change first in order to be able to submit map/reduce jobs remotely? Here is my mapred-site.xml file: <configuration> <property> <name>mapred.job.tracker</name> <value>master:8021</value> </property> <!-- Enable Hue plugins --> <property> <name>mapred.jobtracker.plugins</name> <value>org.apache.hadoop.thriftfs.ThriftJobTrackerPlugin</value> <description>Comma-separated list of jobtracker plug-ins to be activated. </description> </property> <property> <name>jobtracker.thrift.address</name> <value>0.0.0.0:9290</value> </property> </configuration> And this is in /etc/hosts file: 192.168.1.15 master 192.168.1.14 slave1 192.168.1.13 slave2 192.168.1.9 slave3

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  • How to warehouse data that is not needed from MS SQL server

    - by I__
    I have been asked to truncate a large table in MS SQL Server 2008. The data is not needed but might be needed once every two years. It will NEVER have to be changed, only viewed. The question is, since I don't need the data on a day-to-day basis, what do I do with it to protect and back it up? Please keep in mind that I will need to have it accessible maybe once every two years, and it is FINE for us if the recovery process takes a few hours. The entire table is about 3 million rows and I need to truncate it to about 1 million rows.

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  • PostgreSQL lots of large Arrays and Writes

    - by strife911
    Hi, I am running a python program that spawns 8 threads and as each thread launch its own postmaster process via psycopg2. This is to maximize the use of my CPU-cores (8). Each thread call a series of SQL Functions. Most of these functions go through many thousands of rows each associated to a large FLOAT8[] Array (250-300) values by using unnest() and multiplying each FLOAT8 by an another FLOAT8 associated to each row. This Array approach minimized the size of the Indexes and the Tables. The Function ends with an Insert into another Table of a row of the same form (pk INT4, array FLOAT8[]). Some SQL Functions called by python will Update a row of these kind of Tables (with large Arrays). Now I currently have configured PostgreSQL to use most of the memory for cache (effective_cache_size of 57 GB I think) and only a small amount of it for shared memory (1GB I think). First, I was wondering what the difference between Cache and Shared memory was in regards to PostgreSQL (and my application). What I have noticed is that only about 20-40% of my total CPU processing power is used during the most Read intensive parts of the application (Select unnest(array) etc). So secondly, I was wondering what I could do to improve this so that 100% of the CPU is used. Based on my observations, it does not seem to have anything to do with python or its GIL. Thanks

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  • Column locking in innodb?

    - by mingyeow
    I know this sounds weird, but apparently one of my columns is locked. select * from table where type_id = 1 and updated_at < '2010-03-14' limit 1; select * from table where type_id = 3 and updated_at < '2010-03-14' limit 10; the first one would not finish running, while the second one completes smoothly. the only difference is the type_id Thanks in advance for your help - i have an urgent data job to finish, and this problem is driving me crazy

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  • Remote hosts accessing AD's registry

    - by smitty user
    I have a situation here. I have an intrusion detection system and it constantly alerts me that a remote host is accessing our AD's registry remotely. Our remote hosts are mainly Windows XP and our ADs are W2K8. The remote hosts access them over SMB port 445 Is it normal for Windows hosts to access AD's remote registry? My colleagues confirmed with me that both host and AD is clean from virus with endpoint protection enabled. Thanks.

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  • Maintenance Plan Reporting - Append To File - Clean Up?

    - by Adam J.R. Erickson
    Background: (SQL Server 2005, Standard Ed.) I have a maintenance plan running backups, taking a full backup 1/day, and t-log every 15 minutes. I have it set to create a text file report of each run, but that creates A LOT of files on the file server. These are hard to sort through, which makes them less useful. Question: There is an option in "Reporting and Logging" settings for appending all logs together, but how do you clean this out? If you're appending to the same log file every time, how should you make sure this file doesn't grow indefinitely? Is there a build-in function to clean out portions of appended logs like there is for cleaning out individual old log files?

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  • Windows SBS 2003 Remote Desktop Problem

    - by david.healed
    Hi, I used to remote access the SBS 2003 server through RDC and it has been working all the time but now I am unable to connect to the server. Whenever I pressed the "Connect" button on the Remote Desktop Connection dialog, a dialog with messages like "Connecting to: xx.xx.xx.xx" and "Configuring remote session..." appeared and then disappeared quickly, leaving the Remote Desktop Connection dialog there. How to fix the problem? Thank you.

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  • ft_stopword_file not picked up

    - by Alex Holsgrove
    I have a VPS server with a company called Webfusion. I want to remove some or all of the FULLTEXT stopwords because some specific words needs to be searchable with my DB content. I opened /etc/mysql/my.cnf and added the line ft_stopword_file="". I restarted the mysql service, ran a repair table and then tried my MATCH query with no success. I ran SHOW VARIABLES LIKE 'ft_%' and it simply shows (built-in) next to the stopword file. I am running WAMP on my workstation, and whilst I realise this isn't configured the same as a commercial VPS, the above method worked just fine. Couple someone please offer some guidance?

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  • Sourcing local .bashrc .vimrc without copy to remote machine

    - by David Strejc
    Does anyone have an idea or hack on how to source my local dotfiles (I will probably need more of them so this solution should work with many files) on remote machines without scp them to remote machine? Is something like scp .bashrc to /tmp folder on remote machine and then exporting BASHRC env variable the best solution? I need this because of our company policy and fast cloud servers deployment and redeployment and I don't want to touch .bashrc files on remote machine so my colleges are able to use their default env which doesn't suit me.

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  • What are the best tools for modeling a pre-existing SQL database structure?

    - by Ejoso
    I have a MS SQL database that has been running strong for 10+ years. I'd like to diagram the database structure, without spending hours laying it all out in Visio or something similar... I've seen nice models diagrammed before, but I have no idea how they were created. From what I've seen - those models were created in advance of the database itself to assist in clarifying the relationships... but my database already exists! Anyone have any suggestions for tools that would work, or methods I could employ to tease out a nice clean document describing my database structure? Thanks in advance!

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  • Windows 8 cannot connect remotely to Windows Server 2012

    - by raza naqvi
    I have installed Windows Server 2012 and then configured remote applications. At first it was working fine and I could be able to connect remotely and run remote applications from Windows 8 clients. But after few days the following error occurred: Remote Desktop Connection This computer can't connect to the remote computer. Try connecting again. If the problem continues, contact the owner of the remote computer or your network administrator. However I still can connect from Windows 7 without any problem. Only Windows 8 has a problem and cannot connect remotely. Neither remote apps nor RDP is working.

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  • Multiple columns in a single index versus multiple indexes

    - by Tim Coker
    The short version of my question is what's the difference between three indexes each indexing a single column and one index indexing three columns. Background follows. I'm primarily a programmer but have to do DBA work because we don't have a DBA. I'm evaluating our indexes versus the queries run against a particular table. The table as 3 columns that I'm often filtering against or getting the max value of. Most of the time the queries look like select max(col_a) from table where col_b = 'avalue' or select col_c from table where col_b = 'avalue' and col_a = 'anothervalue' All columns are independently indexed. My question is would I see any difference if I had an index that indexed col_b and col_a together since they can appear in a where clause together?

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  • rsnapshot backup TO remote server

    - by Zulakis
    I just bought 100GB of "Cloud"-Space at Strato's HiDrive for remote server backups. They offer the following services: sftp,webdav,smb/cifs,rsync,scp Now i want to do a remote backup to my Backup-Space using rsnapshot. All the examples I found were only for backing up FROM remote servers to local machine, but not for backing up TO remote servers. How can I do incremental backups using rsnapshot using one of the protocols above?

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  • Looking for Firebird GUI

    - by EAMann
    I use phpMyAdmin to manage all of my MySQL databases and SQL Management Studio Express to manage my MS SQL databases. Now I need to start working with Firebird, and I'm looking for a tool along the lines of SQL Management Studio to manage those databases as well. I can be flexible with the UI and can learn a new system, so if there's something freely available that will do the trick but isn't quite the same as SQL management Studio I think I could adapt. Bottom line: What free tools are available that provide an in-depth GUI for Firebird?

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  • Maximizing after moving RDC window between different size monitors

    - by msorens
    My Win7 system has two monitors of different sizes. When I open a Remote Desktop Connection on one monitor set to use full screen, both the RDC window and the remote system's desktop fills the monitor. If I then move the window onto my second monitor (1-Restore Down button to make it movable; 2-Drag window to other monitor; 3-Maximize button to fill monitor) the RDC window fills the monitor, but the remote system's desktop remains the same size it was before. Thus, if I move from the larger to the smaller monitor I have scrollbars to see the whole remote desktop, while if I move from the smaller to the larger monitor the remote desktop occupies only a portion of the monitor. My workaround is to close the RDC window completely then re-establish it on the other monitor. Is there a way to avoid this overhead and just resize the remote desktop to fit?

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  • ?Oracle DB 11gR2 ?????????????????????????????????????!

    - by Yuichi.Hayashi
    Oracle Database????????????????????????????????????????????????????????????????????????·?????????????????????? ?????????/?????????????????????????????????????11g R2??????????????! ????????? Oracle Database?????????????????????????????????????CPU????·???????????????????????????????????????????????? ?????????????????????????????????????????????? ??????????????????????????????(?????????????·???????)????????????????????????????????????????????????????·?????????????????????????????????????????? ?????????????????????????????????????? ????11g R2??????????????????????????????????????????????? ????????????????? ???????????????????????????????Oracle?????????????????????????????????????? ???????????????????CPU????????????????????????????????????????! Oracle Database????????????????????????????? Oracle ?????? - ??(??), ??, ????? Database Smart Flash Cache Oracle Database??Hard Disk Drive(HDD)???????????????????????SQL??????????????????????????????????????????????????·?????·?????100%??????????????????????????????? ?????????????·??????????CPU????·???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(????·?????·????????)???????·??????????????????????????? HDD????????????????(???)?????????????????????HDD??IO?????????????????????????? ?????????Solid State Drive/Device(SSD)??? SSD?HDD??????????????????????????????????OLTP????????·??????????????????????????????????????????????????????SSD???????????????????????????? ???11g R2???????????SSD???????????Database Smart Flash Cache????????????Database Smart Flash Cache??????·???????????????????????????(Hot Data)?Oracle?????SSD??????????? ????????!?????????SSD????????????????????SSD????????????????????? SSD???????????????????????????????????? Database Smart Flash Cache?????????????????????? SSD???Oracle???: Database Smart Flash Cache - ??(??), ??, ????? ?????????? ? ???????????????/????????????????!? ? ???????????????????????????????????!?

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  • SQL SERVER – Weekend Project – Experimenting with ACID Transactions, SQL Compliant, Elastically Scalable Database

    - by pinaldave
    Database technology is huge and big world. I like to explore always beyond what I know and share the learning. Weekend is the best time when I sit around download random software on my machine which I like to call as a lab machine (it is a pretty old laptop, hardly a quality as lab machine) and experiment it. There are so many free betas available for download that it’s hard to keep track and even harder to find the time to play with very many of them.  This blog is about one you shouldn’t miss if you are interested in the learning various relational databases. NuoDB just released their Beta 7.  I had already downloaded their Beta 6 and yesterday did the same for 7.   My impression is that they are onto something very very interesting.  In fact, it might be something really promising in terms of database elasticity, scale and operational cost reduction. The folks at NuoDB say they are working on the world’s first “emergent” database which they tout as a brand new transitional database that is intended to dramatically change what’s possible with OLTP.  It is SQL compliant, guarantees ACID transactions, yet scales elastically on heterogeneous and decentralized cloud-based resources. Interesting note for sure, making me explore more. Based on what I’ve seen so far, they are solving the architectural challenge that exists between elastic, cloud-based compute infrastructures designed to scale out in response to workload requirements versus the traditional relational database management system’s architecture of central control. Here’s my experience with the NuoDB Beta 6 so far: First they pretty much threw away all the features you’d associate with existing RDBMS architectures except the SQL and ACID transactions which they were smart to keep.  It looks like they have incorporated a number of the big ideas from various algorithms, systems and techniques to achieve maximum DB scalability. From a user’s perspective, the NuoDB Beta software behaves like any other traditional SQL database and seems to offer all the benefits users have come to expect from standards-based SQL solutions. One of the interesting feature is that one can run a transactional node and a storage node on my Windows laptop as well on other platforms – indeed interesting for sure. It’s quite amazing to see a database elastically scale across machine boundaries. So, one of the basic NuoDB concepts is that as you need to scale out, you can easily use more inexpensive hardware when/where you need it.  This is unlike what we have traditionally done to scale a database for an application – we replace the hardware with something more powerful (faster CPU and Disks). This is where I started to feel like NuoDB is on to something that has the potential to elastically scale on commodity hardware while reducing operational expense for a big OLTP database to a degree we’ve never seen before. NuoDB is able to fully leverage the cloud in an asynchronous and highly decentralized manner – while providing both SQL compliance and ACID transactions. Basically what NuoDB is doing is so new that it is all hard to believe until you’ve experienced it in action.  I will keep you up to date as I test the NuoDB Beta 7 but if you are developing a web-scale application or have an on-premise app you are thinking of moving to the cloud, testing this beta is worth your time. If you do try it, let me know what you think.  Before I say anything more, I am going to do more experiments and more test on this product and compare it with other existing similar products. For me it was a weekend worth spent on learning something new. I encourage you to download Beta 7 version and share your opinions here. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Normalisation and 'Anima notitia copia' (Soul of the Database)

    - by Phil Factor
    (A Guest Editorial for Simple-Talk) The other day, I was staring  at the sys.syslanguages  table in SQL Server with slightly-raised eyebrows . I’d just been reading Chris Date’s  interesting book ‘SQL and Relational Theory’. He’d made the point that you’re not necessarily doing relational database operations by using a SQL Database product.  The same general point was recently made by Dino Esposito about ASP.NET MVC.  The use of ASP.NET MVC doesn’t guarantee you a good application design: It merely makes it possible to test it. The way I’d describe the sentiment in both cases is ‘you can hit someone over the head with a frying-pan but you can’t call it cooking’. SQL enables you to create relational databases. However,  even if it smells bad, it is no crime to do hideously un-relational things with a SQL Database just so long as it’s necessary and you can tell the difference; not only that but also only if you’re aware of the risks and implications. Naturally, I’ve never knowingly created a database that Codd would have frowned at, but around the edges are interfaces and data feeds I’ve written  that have caused hissy fits amongst the Normalisation fundamentalists. Part of the problem for those who agonise about such things  is the misinterpretation of Atomicity.  An atomic value is one for which, in the strange virtual universe you are creating in your database, you don’t have any interest in any of its component parts.  If you aren’t interested in the electrons, neutrinos,  muons,  or  taus, then  an atom is ..er.. atomic. In the same way, if you are passed a JSON string or XML, and required to store it in a database, then all you need to do is to ask yourself, in your role as Anima notitia copia (Soul of the database) ‘have I any interest in the contents of this item of information?’.  If the answer is ‘No!’, or ‘nequequam! Then it is an atomic value, however complex it may be.  After all, you would never have the urge to store the pixels of images individually, under the misguided idea that these are the atomic values would you?  I would, of course,  ask the ‘Anima notitia copia’ rather than the application developers, since there may be more than one application, and the applications developers may be designing the application in the absence of full domain knowledge, (‘or by the seat of the pants’ as the technical term used to be). If, on the other hand, the answer is ‘sure, and we want to index the XML column’, then we may be in for some heavy XML-shredding sessions to get to store the ‘atomic’ values and ensure future harmony as the application develops. I went back to looking at the sys.syslanguages table. It has a months column with the months in a delimited list January,February,March,April,May,June,July,August,September,October,November,December This is an ordered list. Wicked? I seem to remember that this value, like shortmonths and days, is treated as a ‘thing’. It is merely passed off to an external  C++ routine in order to format a date in a particular language, and never accessed directly within the database. As far as the database is concerned, it is an atomic value.  There is more to normalisation than meets the eye.

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  • Backup SQL Database Federation

    - by Herve Roggero
    One of the amazing features of Windows Azure SQL Database is the ability to create federations in order to scale your cloud databases. However until now, there were very few options available to backup federated databases. In this post I will show you how Enzo Cloud Backup can help you backup, and restore your federated database easily. You can restore federated databases in SQL Database, or even on SQL Server (as regular databases). Generally speaking, you will need to perform the following steps to backup and restore the federations of a SQL Database: Backup the federation root Backup the federation members Restore the federation root Restore the federation members These actions can be automated using: the built-in scheduler of Enzo Cloud Backup, the command-line utilities, or the .NET Cloud Backup API provided, giving you complete control on how you want to perform your backup and restore operations. Backing up federations Let’s look at the tool to backup federations. You can explore your existing federations by using the Enzo Cloud Backup application as shown below. As you can see, the federation root and the various federations available are shown in separate tabs for convenience. You would first need to backup the federation root (unless you intend to restore the federation member on a local SQL Server database and you don’t need what’s in the federation root). The steps are similar than those to backup a federation member, so let’s proceed to backing up a federation member. You can click on a specific federation member to view the database details by clicking at the tab that contains your federation member. You can see the size currently consumed and a summary of its content at the bottom of the screen. If you right-click on a specific range, you can choose to backup the federation member. This brings up a window with the details of the federation member already filled out for you, including the value of the member that is used to select the federation member. Notice that the list of Federations includes “Federation Root”, which is what you need to select to backup the federation root (you can also do that directly from the root database tab).  Once you provide at least one backup destination, you can begin the backup operation.  From this window, you can also schedule this operation as a job and perform this operation entirely in the cloud. You can also “filter” the connection, so that only the specific member value is backed up (this will backup all the global tables, and only the records for which the distribution value is the one specified). You can repeat this operation for every federation member in your federation. Restoring Federations Once backed up, you can restore your federations easily. Select the backup device using the tool, then select Restore. The following window will appear. From here you can create a new root database. You can also view the backup properties, showing you exactly which federations will be created. Under the Federations tab, you can select how the federations will be created. I chose to recreate the federations and let the tool perform all the SPLIT operations necessary to recreate the same number of federation members. Other options include to create the first federation member only, or not to create the federation members at all. Once the root database has been restored and the federation members have been created, you can restore the federation members you previously backed up. The screen below shows you how to restore a backup of a federation member into a specific federation member (the details of the federation member are provided to make it easier to identify). Conclusion This post gave you an overview on how to backup and restore federation roots and federation members. The backup operations can be setup once, then scheduled daily.

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  • Olympics data available for all on Windows Azure SQL Database and Power View

    - by jamiet
    Are you looking around for some decent test data for your BI demos? Well, if so, Microsoft have provided some data about all medals won at the Olympics Games (1900 to 2008) at OlympicsData workbook - Excel, SSIS, Azure sample; it provides analysis over athletes, countries, medal type, sport, discipline and various other dimensions. The data has been provided in an Excel workbook along with instructions on how to load the data into a Windows Azure SQL Database using SQL Server Integration Services (SSIS). Frankly though, the rigmarole of standing up your own Windows Azure SQL Database ok, SQL Azure database, is both costly (SQL Azure isn’t free) and time consuming (the provided instructions aren’t exactly an idiot’s guide and getting SSIS to work properly with Excel isn’t a barrel of laughs either). To ease the pain for all you BI folks out there that simply want to party on the data I have loaded it all into the SQL Azure database that I use for hosting AdventureWorks on Azure. You can read more about AdventureWorks on Azure below however I’ll summarise here by saying it is a SQL Azure database provided for the use of the SQL Server community and which is supported by voluntary donations. To view the data the credentials you need are: Server mhknbn2kdz.database.windows.net  Database AdventureWorks2012 User sqlfamily Password sqlf@m1ly Type those into SSMS and away you go, the data is provided in four tables [olympics].[Sport], [olympics].[Discipline], [olympics].[Event] & [olympics].[Medalist]: I figured this would be a good candidate for a Power View report so I fired up Excel 2013 and built such a report to slice’n’dice through the data – here are some screenshots that should give you a flavour of what is available: A view of all the available data Where do all the gymastics medals go? Which countries do top ten all-time medal winners come from? You get the idea. There is masses of information here and if you have Excel 2013 handy Power View provides a quick and easy way of surfing through it. To save you the bother of setting up the Power View report yourself you can have the one that I took these screenshots from, it is available on my SkyDrive at OlympicsAnalysis.xlsx so just hit the link and download to play to your heart’s content. Party on, people! As I said above the data is hosted on a SQL Azure database that I use for hosting “AdventureWorks on Azure” which I first announced in March 2013 at AdventureWorks2012 now available for all on SQL Azure. I’ll repeat the pertinent parts of that blog post here: I am pleased to announce that as of today … [AdventureWorks2012] now resides on SQL Azure and is available for anyone, absolutely anyone, to connect to and use for their own means. This database is free for you to use but SQL Azure is of course not free so before I give you the credentials please lend me your ears eyes for a short while longer. AdventureWorks on Azure is being provided for the SQL Server community to use and so I am hoping that that same community will rally around to support this effort by making a voluntary donation to support the upkeep which, going on current pricing, is going to be $119.88 per year. If you would like to contribute to keep AdventureWorks on Azure up and running for that full year please donate via PayPal to [email protected] Any amount, no matter how small, will help. If those 50+ people that retweeted me beforehand all contributed $2 then that would just about be enough to keep this up for a year. If the community contributes more than we need then there are a number of additional things that could be done: Host additional databases (Northwind anyone??) Host in more datacentres (this first one is in Western Europe) Make a charitable donation That last one, a charitable donation, is something I would really like to do. The SQL Community have proved before that they can make a significant contribution to charitable orgnisations through purchasing the SQL Server MVP Deep Dives book and I harbour hopes that AdventureWorks on Azure can continue in that vein. So please, if you think AdventureWorks on Azure is something that is worth supporting please make a contribution. I’d like to emphasize that last point. If my hosting this Olympics data is useful to you please support this initiative by donating. Thanks in advance. @Jamiet

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