| From: | Kasahara Tatsuhito <kasahara(dot)tatsuhito(at)gmail(dot)com> |
|---|---|
| To: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: small improvement of the elapsed time for truncating heap in vacuum |
| Date: | 2020-02-17 03:43:41 |
| Message-ID: | CAP0=ZVKQRGN4-_b4Zqf=Prn4DYT6MxQFsJ8L9te_x3tphB+iuQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi,
On Fri, Feb 14, 2020 at 4:50 PM Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> Regarding the patch, isn't it better to put pg_rusage_init() at the
> top of do loop block? If we do this, as a side-effect, we can get
> rid of pg_rusage_init() at the top of lazy_truncate_heap().
Thanks for your reply.
Yeah, it makes sense.
Attached patch moves pg_rusage_init() to the top of do-loop-block.
Best regards,
--
Tatsuhito Kasahara
kasahara.tatsuhito _at_ gmail.com
| Attachment | Content-Type | Size |
|---|---|---|
| reset_usage_v2.patch | application/octet-stream | 760 bytes |
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