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Is there any correlation between CPU utilization and high IOWait?

mohdmikhael
Explorer
‎11-14-2023 11:01 PM

Hi Splunk gurus,

Just wanted to enquire if anyone has seen any correlation between high IOWait and CPU utilization? I have a client that is experiencing some search performance issues after upgrading from version 8.2.9 to version 9.0.6. Their users are complaining about search lag and overall slowness in Splunk Web when running searches.

Just curious if anyone has encountered this? Thank you in advance for any answers given 🙂

 

Mikhael

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_JP
Contributor
‎11-16-2023 09:04 AM

Can you describe your deployment a bit - # search heads, # indexers, are they on VMs or bare metal, maybe share a screenshot where you are seeing this high IOWait vs CPU (e.g. are you seeing this in a Splunk dashboard or from OS tools).

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