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Articles with tag Performance Tuning Rss

Search for any content tagged performance tuning

<< Newer    Items 21 to 40 of 445    Older >>
 

How Come the Hourglass? Why Database Applications Slow Down

It is frustrating when you hit 'submit' and you get the hourglass big-time. Is it the database to blame? It could be, but there are other suspects that should be considered. Feodor Georgiev describes where, in the long route, to and fro', that a data request makes before returning, that things can get snarled up.  Read more...
By Additional Articles 2013/01/07 | Source: SimpleTalk | Category: performance tuning
Rating:  Rate this |   Briefcase | 4,431 reads

SQLServerCentral Best Practices Clinic: Part 1

We exposed the SQLServerCentral cluster for monitoring with SQL Monitor. Just like other companies, we have constraints on resources, and we have more work that needs to be done. Help us configure SQLServerCentral’s database servers with your suggestions on what is the highest priority for a website database back end.  Read more...
By Brad McGehee 2012/12/25 (first published: 2011/03/07) | Source: SQLServerCentral.com | Category: sqlservercentral
Rating: |  Discuss |   Briefcase | 22,602 reads

Performance Tuning Re-indexing and Update Statistics – A Case Study

Recently we started experiencing a very strange issue in our production reporting environment where the Re-indexing and Update Statistics operation suddenly began taking more than 2 days to complete and was thus causing blockage in the database which in turn caused impairment in application performance.  Read more...
Rating:  Rate this |   Briefcase | 5,310 reads

Viewing VMware Counters in PerfMon for SQL Server

I want to ensure that my SQL Server on a VMware Guest OS is getting the resources it should. This would go a long way towards helping isolate the performance problems we're experiencing. However, our system administrators won't give us access to VirtualCenter or any of the tools they use. Is there anything I can do? Check out this tip to learn more.  Read more...
By Additional Articles 2012/11/12 | Source: MSSQLTips.com | Category: performance tuning
Rating: (not yet rated)  Rate this |   Briefcase | 2,544 reads

CPU and Scheduler Performance Monitoring using SQL Server and Excel

This article will demonstrate a method of creating an Excel-based CPU/scheduler performance dashboard for SQL Server 2005+.  Read more...
By Derek Colley 2012/10/04 | Source: SQLServerCentral.com | Category: t-sql
Rating: |  Discuss |   Briefcase | 7,128 reads

Find out which SQL Server instance is consuming most of the CPU

We have a number of SQL Server hosts with multiple SQL Server instances. From time to time we have CPU issues, but we are not sure which instance is causing the issue. How do you find which SQL Server instance is causing CPU pressure on machine with multiple SQL Server instances? Check out this tip for ideas on how to find the correct SQL Server instance which is causing CPU pressure.  Read more...
By Additional Articles 2012/09/26 | Source: MSSQLTips.com
Rating:  Rate this |   Briefcase | 2,373 reads

Fuzzy-String Search: Find misspelled information with T-SQL

An optimized Damerau-Levenshtein Distance (DLD) algorithm for "fuzzy" string matching in Transact-SQL 2000-2008  Read more...
By Thomas Keller 2014/01/10 (first published: 2012/09/18) | Source: SQLServerCentral.com | Category: fuzzy match
Rating: |  Discuss |   Briefcase | 23,398 reads

Targeted Index Performance Improvements

This article identifies which indexes are used when T-SQL code runs, and proposes ways of improving these targeted indexes, leading to better performing code.  Read more...
By Ian Stirk 2012/08/03 (first published: 2009/09/17) | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 41,971 reads

Performance Data

Great DBAs collect all kinds of metrics on their instances and let them manage themselves. However many administrators need help monitoring and interpreting the data. Today Steve Jones asks if you think this data needs extra security or is it less of an issue than other PII data.  Read more...
By Steve Jones 2012/07/27 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 343 reads

Single User Performance of SQLite v. SQL Server

A look at the performance of SQL Server compared to SQLite for single user applications.  Read more...
By Timothy A Wiseman 2012/07/19 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 2,204 reads

Get Performance Tips Directly From SQL Server

This article describes a utility that allows you to inspect cached plans and extract information that can be useful in improving the performance of your SQL.  Read more...
By Ian Stirk 2012/06/22 (first published: 2009/06/11) | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 46,430 reads

ETL Performance Auditing - Part 3: Auditing Data Warehouse Phase

Easy way to setup a comprehensive ETL Performance auditing Solution no matter how complicated your ETL setup.  Read more...
By Frank A. Banin 2012/06/19 | Source: SQLServerCentral.com | Category: business intelligence
Rating: |  Discuss |   Briefcase | 3,947 reads

SQL Server Prefetch and Query Performance

Prefetching can make a surprising difference to SQL Server query execution times where there is a high incidence of waiting for disk i/o operations, but the benefits come at a cost. Mostly, the Query Optimizer gets it right, but occasionally there are queries that would benefit from tuning.   Read more...
By Additional Articles 2012/06/14 | Source: SimpleTalk
Rating: (not yet rated)  Rate this |   Briefcase | 3,676 reads

ETL Performance Auditing - Part 2: Auditing Data Staging Phase

Easy way to setup a comprehensive ETL Performance auditing Solution no matter how complicated your ETL setup.  Read more...
By Frank A. Banin 2012/06/12 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 4,981 reads

Re-compilation and Its effects on Performance

How recompilation does significantly affect on the execution time of SQL query and plummet or degrade the performance?   Read more...
By at yazdani 2012/06/07 | Source: SQLServerCentral.com | Category: stored procedures
Rating: |  Discuss |   Briefcase | 8,093 reads

The Real World: Implementing AWE

Describes the gains experienced in my environment by impleenting AWE.  Read more...
Rating: |  Discuss |   Briefcase | 7,930 reads

Performance Test of New Date Manipulation Functions (SQL Spackle)

Performance test of new SQL 2012 functions DateTimeFromParts and Format  Read more...
By Wayne Sheffield 2012/05/10 | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 5,890 reads

The Clonesome Database

You need a quiet couple of hours poking about with DMVs, and checking execution plans to get to the bottom of the a query issue, but you can't make a copy the production database either. It's too big, and the data is private....  Read more...
By Phil Factor 2012/03/26 | Source: SQLServerCentral.com | Category: editorial
Rating: |  Discuss |   Briefcase | 197 reads

What's the Point of Using VARCHAR(n) Anymore?

The arrival of the (MAX) data types in SQL Server 2005 were one of the most popular feature for the database developer. At the time, there was a lot of discussion as to whether this freedom from having to specify string length came at a cost. Rob attempts to give a final answer as to any down-side.  Read more...
By Additional Articles 2012/02/15 | Source: SimpleTalk | Category: t-sql
Rating:  Rate this |   Briefcase | 7,669 reads

Tips to optimize your SQL statements

Don't blame SQL Server if your SQL Statements perform badly! But where do you start to investigate the problem? This article is a primer on were to start looking when your SQL runs slowly.  Read more...
By Brian Ellul 2012/02/10 (first published: 2010/07/29) | Source: SQLServerCentral.com | Category: performance tuning
Rating: |  Discuss |   Briefcase | 40,660 reads
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