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how to manage memory for an sql server Expand / Collapse
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Posted Wednesday, June 19, 2013 3:27 PM


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I'd like now how to better understand the memory utilize by sql server. I have done some continues statistics and using monitoring tools and it seems that in some of my servers I see a constant high memory usage for both the OS and the SQL Server memory. In some instances the sql server memory reaches 95% and stays to that under for several hours.

Any ideas where I can start reading and understanding what it all means and how to figure out what's causing the high memory usage?

Thank you.
Post #1465404
Posted Wednesday, June 19, 2013 3:30 PM


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HildaJ (6/19/2013)
it seems that in some of my servers I see a constant high memory usage for both the OS and the SQL Server memory. In some instances the sql server memory reaches 95% and stays to that under for several hours.


Normal, expected, documented behaviour.

Any ideas where I can start reading and understanding what it all means and how to figure out what's causing the high memory usage?


Chapter 4: https://www.simple-talk.com/books/sql-books/troubleshooting-sql-server-a-guide-for-the-accidental-dba/



Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
We stand on the bridge and no one may pass

Post #1465407
Posted Wednesday, June 19, 2013 3:48 PM


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It's a combination of different servers, production, test and dev. I'm new to this job and I'm learning what to expect from this systems but I know that at least on the dev server we don't get much activity going on on some days but we still see high memory utilization on both sql server and os memory. The link seems to be a great starting point. I'll review it.

Thank you.
Post #1465415
Posted Wednesday, June 19, 2013 3:55 PM


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HildaJ (6/19/2013)
but we still see high memory utilization on both sql server and os memory.


Again, that is normal, expected behaviour.



Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
We stand on the bridge and no one may pass

Post #1465418
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