Re: Inadequate thought about buffer locking during hot standby replay

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Inadequate thought about buffer locking during hot standby replay
Date: 2012-11-10 21:37:43
Message-ID: 1727.1352583463@sss.pgh.pa.us
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While I'm looking at this: there seems to be a bug/inconsistency in
heap_xlog_freeze(). It uses a cleanup lock in the "normal" code path,
but it doesn't tell RestoreBkpBlocks to use a cleanup lock. Which
choice is correct?

regards, tom lane

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