| From: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com> |
|---|---|
| To: | "Anton A(dot) Melnikov" <a(dot)melnikov(at)postgrespro(dot)ru>, Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
| Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, "Anton A(dot) Melnikov" <aamelnikov(at)inbox(dot)ru>, Andres Freund <andres(at)anarazel(dot)de>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: May be BUG. Periodic burst growth of the checkpoint_req counter on replica. |
| Date: | 2024-10-08 12:42:48 |
| Message-ID: | d38b5a63-fb0d-43ad-a9a9-456f2bcb1a96@oss.nttdata.com |
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| Lists: | pgsql-hackers |
On 2024/09/30 12:26, Fujii Masao wrote:
>>> In 0002.patch, I also modified the description of num_requested from
>>> "Number of backend requested checkpoints" to remove "backend," as it can
>>> be confusing since num_requested includes requests from sources other than
>>> the backend. Thought?
>>
>> Agreed. E.g. from xlog. Then maybe changed it also in the function
>> descriptions in the pg_proc.dat? For pg_stat_get_checkpointer_num_requested()
>> and pg_stat_get_checkpointer_restartpoints_requested().
>
> Yes, good catch!
Patch attached.
Regards,
--
Fujii Masao
Advanced Computing Technology Center
Research and Development Headquarters
NTT DATA CORPORATION
| Attachment | Content-Type | Size |
|---|---|---|
| v1-0001-Improve-descriptions-of-some-pg_stat_checkpoints-.patch | text/plain | 2.4 KB |
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