From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
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To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, kleptog(at)svana(dot)org, gsstark(at)mit(dot)edu, pg(at)rbt(dot)ca, zhouqq(at)cs(dot)toronto(dot)edu, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: [Bizgres-general] WAL bypass for INSERT, UPDATE and |
Date: | 2006-01-03 23:23:54 |
Message-ID: | 1136330634.5052.247.camel@localhost.localdomain |
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Lists: | pgsql-hackers |
On Tue, 2006-01-03 at 17:38 -0500, Bruce Momjian wrote:
> Right, the DML will be single-threaded and fsync of all dirty pages will
> happen before commit of each transaction.
heap_sync() would occur at end of statement, as it does with CTAS. We
could delay until EOT but I'm not sure I see why; in most cases they'd
be the same point anyway.
I'd been toying with the idea of making the freshly added blocks live
only in temp_buffers to avoid the shared_buffers overhead, but that was
starting to sounds too wierd for my liking.
Best Regards, Simon Riggs
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