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Insert Workload

SQL SERVER – Wait Statistics Generated by oStress – Insert Workload

May 2, 2020
Pinal Dave
SQL Performance
Best Practices, Load Testing, oStress, SQL Download, SQL Log, SQL Scripts, SQL Server, SQL Wait Stats, Stress Testing

It seems my blog post about oStress has got lots of popularity. Recently I got the question about Wait Statistics Generated by oStress Insert Workload.

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SQL SERVER – Resolve WAIT_ON_SYNC_STATISTICS_REFRESH Wait Type

January 23, 2020
Pinal Dave
SQL Performance
SQL Statistics, SQL Wait Stats, SSMS

During Comprehensive Database Performance Health Check I recently faced a brand new wait type WAIT_ON_SYNC_STATISTICS_REFRESH.

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malicious Wait Type

SQL SERVER – Identifying Query Generating Malicious Wait Type

October 26, 2019
Pinal Dave
SQL Performance
SQL Scripts, SQL Server, SQL Sub Query, SQL Wait Stats

In this blog post, we will learn about how to fix the performance issue with the malicious Wait Type. Comprehensive Database Performance Health Check

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PREEMPTIVE_OS_RSFXDEVICEOPS

SQL SERVER – Identifying and Fixing PREEMPTIVE_OS_RSFXDEVICEOPS Wait Type

October 5, 2019
Pinal Dave
SQL Performance
Comprehensive Database Performance Health Check, Filestream, SQL Server, SQL Wait Stats

I walked into a client engagement where I really got stuck with a very interesting scenario with a client with PREEMPTIVE_OS_RSFXDEVICEOPS Wait Type.

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resource

SQL SERVER – Brief Note About RESOURCE_SEMAPHORE_QUERY_COMPILE Wait Type Resource

September 17, 2019
Pinal Dave
SQL Performance
SQL Memory, SQL Scripts, SQL Server, SQL Wait Stats

Today we will see Brief Note About RESOURCE_SEMAPHORE_QUERY_COMPILE Wait Type resource. I wrote a blog post about Enable Lock Pages in Memory LPIM.

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slow query

SQL SERVER – 5 Important Steps When Query Runs Slow Occasionally

September 7, 2019
Pinal Dave
SQL Performance
Maintenance Plan, SQL FileGroup, SQL Scripts, SQL Server, SQL Server Configuration, SQL Stored Procedure, SQL TempDB, SQL Wait Stats, SSMS

This was a very interesting situation and at the end of we had found the culprit for the slow query and resolved it. Today we will discuss the experience.

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pressure

SQL SERVER – Detecting CPU Pressure with Wait Statistics

August 12, 2019
Pinal Dave
SQL Performance
CPU Threads, SQL CPU, SQL Scripts, SQL Server, SQL Wait Stats

I eventually expressed them it is possible to detect CPU pressure with Wait Statistics. We explained to them my method during the Health Check.

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