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Capacity Planning--CPU and Memory usage. Expand / Collapse
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Posted Tuesday, May 20, 2014 5:28 AM
SSC Journeyman

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Hi


We are planning to add an extra node to the existing cluster environment.Before that we want to check CPU usage ,Memory usage and etc.

Can any one please suggest how can we track the avg CPU and memory usage for week or month fro SQL end.We had checked with OS team to provide this report.However,they are maintaining.Henceforth,we are planning to prepare form SQl end.
Post #1572587
Posted Tuesday, May 20, 2014 5:54 AM
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try DMV sys.dm_os_ring_buffers which might help you to get CPU info.

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Post #1572596
Posted Tuesday, May 20, 2014 11:05 PM
Old Hand

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Hi,
You will also like to take a look at and try to draw conclusions after analyzing the stats from the results of various DMVs available.
sys.dm_os_wait_stats and schedulers to identify if there is really a CPU pressure.
Use sys.dm_os_performance_counters to get values on CPU usage in SQL itself. Output for each can be saved in a temp table for later analysis.

For my better understanding can you elaborate why you are looking for details to add node ?

Regards
Post #1572998
Posted Wednesday, May 21, 2014 11:04 AM
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get hold of 'Troubleshooting SQL Server - A Guide for the Accidental DBA '
by Jonathan Kehayias for how to track these values.

It will be thorough a mixture of the DMVs and perfmon. Be aware many are reset by sql server restarts.


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Post #1573273
Posted Friday, May 23, 2014 7:53 AM
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Minto Minto(quendans) (5/20/2014)
Hi


We are planning to add an extra node to the existing cluster environment.Before that we want to check CPU usage ,Memory usage and etc.

Can any one please suggest how can we track the avg CPU and memory usage for week or month fro SQL end.We had checked with OS team to provide this report.However,they are maintaining.Henceforth,we are planning to prepare form SQl end.


Dropping my 2 cents.

If you add hardware, ensure CPU and RAM specs are the same. Mixing hardware on a Cluster environment will give you headaches.
Post #1574027
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