Re: Checkpoint Tuning Question

From: Dan Armbrust <daniel(dot)armbrust(dot)list(at)gmail(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Checkpoint Tuning Question
Date: 2009-07-14 14:06:19
Message-ID: 82f04dc40907140706l109e50cdp4de7cb7b2dbea318@mail.gmail.com
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>
> Propose a DTrace probe immediately after the "goto begin" at line 740 of
> xlog.c, so we can start tracing from the first backend following
> checkpoint, and turn off tracing when all backends have completed a
> transaction.
>

That's greek to me. But I'm happy to test things if you send me
patches or custom code.

Thanks,

Dan

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