From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
Cc: | Koichi Suzuki <suzuki(dot)koichi(at)oss(dot)ntt(dot)co(dot)jp>, pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: B-tree crash recovery error in 8.3 beta 2 |
Date: | 2007-11-16 19:55:22 |
Message-ID: | 1496.1195242922@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> There seems to be a bug in the B-tree split WAL reduction patch from
> Februrary. On split, we copy the HIKEY of the left page from the
> leftmost item on the right page, but that doesn't work because the
> leftmost key is not stored on intermediate levels.
> Patch attached that stores the high key explicitly in the WAL record on
> intermediate levels.
Applied with revisions --- mostly, being safe about alignment issues.
You wouldn't notice that on an Intel CPU, but some machines are
pickier ...
regards, tom lane
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