| From: | Katsuragi Yuta <btkatsuragiyu(at)oss(dot)nttdata(dot)com> |
|---|---|
| To: | Julien Rouhaud <rjuju123(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Add features to pg_stat_statements |
| Date: | 2020-09-23 06:48:15 |
| Message-ID: | 193879cdb9f6e14060bde2172f8399c9@oss.nttdata.com |
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| Lists: | pgsql-hackers |
On 2020-09-18 18:49, Julien Rouhaud wrote:
> Did you consider also adding the cumulated number of
> evicted entries? This could be useful to know how to configure
> pg_stat_statements.max.
Thank you for your comments!
I overlooked the cumulated number of evicted entries.
This statistic looks important. But, I am not sure
if I should add this statistic to a view.
This is because I am not sure how to utilize the cumulated
number of evicted entries for configuring pg_stat_statements.max.
Not only providing a view but also logging evictions
along with the number of evicted entries might be a choice.
This idea is from legrand legrand [1].
[1]
https://www.postgresql.org/message-id/1600500942767-0.post%40n3.nabble.com
Regards,
Katsuragi Yuta
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