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SQL Server - Precision Performance techniques using RML Utilities
09 June 08 05:50 AM | SQL Master | 2 Comments   
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 Read More...
SQL Server Performance issues with Fragmentation and heavy usage of TEMPDB?
15 May 08 01:59 AM | SQL Master | 2 Comments   
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 Read More...
SQL Server 2005 PERFMON counter spikes in Transactions/sec and Buffer Cache Hit ratio, what does it say?
14 March 08 02:16 AM | SQL Master | 3 Comments   
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 can Read More...
SQL Server error: messages are appearing when the working set of SQL Server 2005 process reaches 50 percent of the memory that is committed to the process.
07 March 08 03:54 AM | SQL Master | 2 Comments   
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 Read More...
SQL Server 2005 DMV - how it can help to consider whether index is useful or not?
04 February 08 07:06 AM | SQL Master | 4 Comments   
When it comes to performance, for a DBA indexes are the first one to come to mind in order to fine tune the tasks on the database. In this series we have already covered this huge topic of indexing and how best you can make use of Dynamic Management Views Read More...
SQL Server Query Performance - think about page split and fragmentation, measures to reduce the behaviour and best use of dm_db_index_physical_stats DMV
14 January 08 01:22 AM | SQL Master | 2 Comments   
It is an universal truth in the database field that due to the fragmentation and page split the performance will be affected even for a simple [ SELECT <ColumnName> from.... ] type of query. So what you need to check or take action in terms of DBA Read More...
How to monitor transaction activity between the databases?
10 January 08 03:23 AM | SQL Master | 2 Comments   
Recently I have been through interesting forum post on SQL Server performance website that a user asking how to monitor transaction activity between the databases without using a third party tool. Until SQL 2000 version it is not that easy to get more Read More...
SQL Server 2005: Deny Server-Level Dynamic Management Views to public group
21 December 07 06:47 AM | SQL Master | 2 Comments   
As you are aware DMV - Dynamic management views are very good to provide server-level information and some of them with detailed information on the execution environment of the database engine. Just to introduce about DMVs, there are two types of dynamic Read More...
SQL Server: How do I identify the queries that are worth tuning?
16 November 07 06:02 AM | SQL Master | 2 Comments   
Have you ever asked this question about how do I identify the queries that worth tuning? The simple answer it is neither easy or hard to obtain such information if you have managed your SQL Server by deploying industry best practices (wherever possible). Read More...
SQL Server 2005: Slow running queries - Blocking and Index problems
24 September 07 07:19 AM | SQL Master | 2 Comments   
As a DBA you must be aware that slow or long running queries can contribute to excessive resource consumption and be the consequence of blocked queries. No database application is exception to this behaviour, so the queries that also run slowly because Read More...
sys.dm_os_schedulers - useful to find on whether your SQL Server engine is weakening!
17 August 07 06:04 AM | SQL Master | 3 Comments   
The system DMV sys.dm_os_schedulers is an useful DMV to find such as running tasks & active workers threads etc. This is required to monitor the system state is heavily loaded or not, in particular this view will help you identify if there is any Read More...
List of CPU based DMVs in SQL Server 2005 - best used for hardware analysis
05 August 07 12:32 PM | SQL Master | 5 Comments   
Dynamic Management Views (DMV) are very useful to get server state information to monitor the status, but not always you have to still continue in monitoring using SYSMON & PROFILER that are available by default with SQL installation. The engine within Read More...
Usage and good practices with UPDATE STATISTICS feature in SQL 2005
23 July 07 03:39 AM | SQL Master | 1 Comments   
UPDATE STATISTICS is very helpful to get the performance by updating the distribution of key values for one or more statistics groups or set of collections in the specified table or indexed view. So how this is handled within the SQL Server, you may be Read More...
Why query execution timeout happens and find queries that have granted memory or waiting on memory?
23 July 07 02:44 AM | SQL Master | 1 Comments   
Have you ever identified the reasons for why and how does a query execution timeout happens within your SQL Server environment. For the beginners I would like to explain that b efore executing a query, SQL Server estimates how much memory it needs to Read More...
Knowing about performance impact of simple use of procedures
13 July 07 07:42 AM | SQL Master | 1 Comments   
If you ask an experience DBA about the reasons for performance loss then the answer should be straight to look for SQL Server, Operating System and hardware counters for further investigation. Simultaneous access to shared resources causes bottlenecks. Read More...
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