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PERFMON and Resource Governor - two great tools in hand for a DBA to monitor/resolve the performance problems, agreee! Back in olden days you may remember about SQLDiag and PSSDiag, the utility used as a general purpose diagnostics collection utility...
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As a SQL Server user or DBAs using SP_WHO or undocumented stored procedure SP_WHO2 is a common occurrence. For this there are times when you will need to run sp_who on your SQL Server to figure out who is on and what are they doing. The output is quite...
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DMVs are most helpful to find instant information on SQL instance without causing further delays, in any performance degradation time you can execute following TSQL to get top 10 queries that are generating lots of I/O on the server: SELECT TOP 10 total_logical_reads...
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As a DBA, you probably often find yourself striving or struggling to improve the performance of SQL Server instance queries (might be smaller or complex ones). By default in order to get further analysis on the system's performance you need to perform...
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Initially I preferred to put this blog post within Performance tuning blog section here, but as it relates to the TSQL script thought this is best place to go. Anyways, if you have a performance problem the foremost option is to find whether the server...
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Whenever a performance issue occurs on the SQL Server database best option for diagnosing and troubleshooting common problems by using publicly available tools such as Profiler, System Monitor (Perfmon), and Dynamic Management Views (DMVs) in SQL Server...
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SQL Server 2005 has introduce a secret-door for Admins to identify and resolve any connect lockout issues within your database instance, as on http://sqlserver-qa.net/blogs/tools/archive/2007/08/04/dedicated-administrator-console-dac-saved-an-important...
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Using SQL Server 2005 you can take help of DMV - sys.dm_exec_connections that will give server-level information about the connections. In the olden days usage of sysprocesses system table used to be heavy and same approach can be achieved by using system...
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DMV - has got very special place for DBAs since the inception of SQL Server 2005. In this case one of the thme is very important to find out the index statistics within your database, such as sys.dm_db_index_physical_stats statement. Recently one of the...
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Recently I was involved in one of the Performance Audit exercise at a client's place where they complain about Server CPU is always HIGH and what they have observed is even the physical disk where TEMPDB is located has been used extensively, as they...
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Few counters and gotchas for you to look for when you are installing SQL Server clusters, also using SELECT statements & DMVs to get SQL instance information. Such as: Do not install SQL Server on a compressed drive, by default the installation will...
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Recently within a supportal case with CSS we have been given the following TSQL to get information on indexes, where I have modified a bit to get 'Clustered' index information alone that was helpful to see which tables lack of clustered index...
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Have you seen the above message within the SQL Server error logs? If not then no need to worry and make sure to continue your performance monitoring tasks. So when to be concerned! It is evident that SQL Server 2005 component handles memory differently...
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Audit trace is very helpful when you want to monitor a particular processes on your SQL Server, even for the successful logins and recent users activity on the databsaes. But the default trace would have many columns with the information and you need...
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Using SP_WHO or SP_WHO2 is a common way to get list of executing processes currently on the server, within SQL Server 2005 you could take advantage of DMV that lists currently-executing statements. select r.session_id ,status ,substring(qt.text,r.statement_start_offset...
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