| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | "Dickson S(dot) Guedes" <listas(at)guedesoft(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Separating bgwriter and checkpointer |
| Date: | 2011-10-19 10:36:08 |
| Message-ID: | CAHGQGwEm+S+dOUwix0RjyyOh1rmUjXTPCscv-q5DgzEEj2sQ8w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Oct 18, 2011 at 10:18 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> Any reason or objection to committing this patch?
The checkpointer doesn't call pgstat_send_bgwriter(), but it should.
Otherwise, some entries in pg_stat_bgwriter will never be updated.
If we adopt the patch, checkpoint is performed by checkpointer. So
it looks odd that information related to checkpoint exist in
pg_stat_bgwriter. We should move them to new catalog even if
it breaks the compatibility?
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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