| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Jeff Davis <pgsql(at)j-davis(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: corrupt pages detected by enabling checksums |
| Date: | 2013-04-10 23:37:48 |
| Message-ID: | CA+TgmoYm4iQBaDTPjVDd2C=CNOcHZBcQdxTTf=Ss1GZS0ed5_Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Apr 6, 2013 at 10:44 AM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> I feel pretty strongly that we shouldn't add any such complications to
> XLogInsert() itself, its complicated enough already and it should be
> made simpler, not more complicated.
+1, emphatically. XLogInsert is a really nasty scalability
bottleneck. We need to move as much logic out of that function as
possible, and particularly out from under WALInsertLock.
...Robert
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