Automating Extended Events data collection
It’s not difficult to set up an extended event session, but reviewing and saving the data can be complex. In this article, Edward Pollack demonstrates how to collect extended event data.
2021-11-03
It’s not difficult to set up an extended event session, but reviewing and saving the data can be complex. In this article, Edward Pollack demonstrates how to collect extended event data.
2021-11-03
SQL Server perfmon counters provide a wealth of information about performance. In this article, Fabiano Amorim shows how current wisdom about one counter, SQL Compilations/sec, can sometimes be misleading.
2021-08-20
Monitoring SQL Server for performance is a critical part of a DBA’s job. In this article, Edward Pollack explains some of the SQL Server performance monitor data and how to collect it.
2021-07-21
Edward Pollack demonstrates how SQL Server plan cache mining can uncover a wealth of information to help with troubleshooting performance issues.
2021-05-21
In this article, Edward Pollack describes some of the issues when querying against remote data sources. He covers remote SQL Servers and also connecting to a PostgreSQL database.
2020-10-30
SQL Server 2014 introduces the first major redesign of the SQL Server Query Optimizer cardinality estimation process since version 7.0. The goal for the redesign was to improve accuracy, consistency and supportability of key areas within the cardinality estimation process, ultimately affecting average query execution plan quality and associated workload performance. This paper provides an overview of the primary changes made to the cardinality estimator functionality by the Microsoft query processor team, covering how to enable and disable the new cardinality estimator behavior, and showing how to troubleshoot plan-quality regressions if and when they occur.
2018-06-26
2,974 reads
Developer shops may decide to use Read Committed Snapshot Isolation (RCSI) to reduce contention, and possibly improve performance, but it is not without its own pitfalls. In this article, Uwe Ricken describes a situation where long running transactions caused a severe performance degradation when RCSI was in use.
2018-03-26
3,103 reads
2018-06-05 (first published: 2018-01-11)
2,138 reads
2018-02-28 (first published: 2018-01-10)
2,942 reads
2018-06-12 (first published: 2018-01-03)
1,894 reads
Are you ready to take your SQL skills from theoretical to tactical? If you've...
By Steve Jones
Note: I DO NOT recommend this. Any changes to a pipeline should be in...
By Steve Jones
symptomania – n. the fantasy that there’s some elaborate diagnosis out there that neatly...
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