| From: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Nitin Jadhav <nitinjadhavpostgres(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Inconsistency in reporting checkpointer stats |
| Date: | 2022-12-21 11:32:39 |
| Message-ID: | CALj2ACU669yQyWDbs4VYLDJFRW_SpdfL-gmDJZFXFG1c73bFQA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Dec 20, 2022 at 11:08 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
>
> On 2022-12-20 08:18:36 -0500, Robert Haas wrote:
> > I think that the SLRU information is potentially useful, but mixing it
> > with the information about regular buffers just seems confusing.
>
> +1
>
> At least for now, it'd be different if/when we manage to move SLRUs to
> the main buffer pool.
+1 to not count SLRU writes in ckpt_bufs_written. If needed we can
have new fields CheckpointStats.ckpt_slru_bufs_written and
PendingCheckpointerStats.slru_buf_written_checkpoint.
--
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com
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