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Re: Cache Hit Ratio% - Mailing list pgsql-admin

From Fabio Pardi
Subject Re: Cache Hit Ratio%
Date
Msg-id 315bff99-bad6-6224-edd3-a1103fe2c73c@portavita.eu
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In response to Cache Hit Ratio%  (<soumik.bhattacharjee@kpn.com>)
Responses RE: Cache Hit Ratio%  (<soumik.bhattacharjee@kpn.com>)
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Hi,

I would start checking (and comparing with pre-prod) the db size, the shared_buffers size, how much data end up in cache and how are the cache layer's used.

regards,

fabio pardi


On 28/07/2020 10:04, soumik.bhattacharjee@kpn.com wrote:

Dear Experts,

 

We have done production migration from Oracle to PostgreSQL.

 

Could you please help me to know where to look out for - the Cache Hit Ratio is always at 65.72% , but in lower Pre-Prod env it’s kind of 95%.

 

As such no major slowness is reported by the customer so far.

 

 

Thanks

 

 

 

 

 


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