Horton

Re: could not truncate directory "pg_serial": apparent wraparound

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>

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From: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: pgsql-hackers@postgresql.org
Date: 2011-06-08T19:30:31Z
Lists: pgsql-hackers 
On 08.06.2011 03:28, Kevin Grittner wrote:
> We had a report of the subject message during testing a while back
> and attempted to address the issue.  It can result in a LOG level
> message and the accumulation of files in the pg_serial SLRU
> subdirectory.  We haven't seen a recurrence, until I hit it during
> testing of the just-posted patch for SSI DDL.  I re-read the code
> and believe that the attached is the correct fix.

Doesn't this patch bring back the issue mentioned in the comment: the 
slru page might not get used again until we wrap-around?

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com