| From: | Ben Chobot <bench(at)silentmedia(dot)com> |
|---|---|
| To: | Ayappan P2 <ayappap2(at)in(dot)ibm(dot)com> |
| Cc: | pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Renice on Postgresql process |
| Date: | 2018-05-07 18:04:31 |
| Message-ID: | 170D4F8E-77FC-4BAA-9A06-F80F1A564A62@silentmedia.com |
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| Lists: | pgsql-general |
On May 7, 2018, at 7:46 AM, Ayappan P2 <ayappap2(at)in(dot)ibm(dot)com> wrote:
>
> Hi All,
>
> We are using Postgresql in AIX. Unlike some other databases, Postgresql has lot of other process running in the background along with the main process.
>
> We do "renice" only on the Postgres main process. Is it sufficient to have higher priority only for the main process or we have to do "renice" for all the Postgresql related process ( like wal writer, logger , checkpointer etc.,) ?
>
What do you hope to achieve with your renicing? There is a compelling school of thought which holds that nice database processes take longer to relinquish their resources, which doesn't end up helping anything at all.
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