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SQL server performance troubleshoot using performance counters


SQL server performance troubleshoot using performance counters

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I am having sql server 2008 r2 server. I saw that yesterday the server so slow. When i see performance counters some of the values are so high . So how to troubleshoot sql server performance according to the data below.I have taken the average value and maximum value of each counter for a day.



pnauta
pnauta
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This is SQL Express, a free version. There are some limitations.
I see a manchine with 7 GB RAM available. Yet I get the idea SQL is not using a lot of it. Can you confirm? Is memory usage limited in any way?
Can you post the output of this statement?

SELECT * FROM sys.dm_os_wait_stats;


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