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

Alvaro Herrera <alvherre@commandprompt.com>

From: Alvaro Herrera <alvherre@commandprompt.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Kevin Grittner <kevin.grittner@wicourts.gov>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-06-09T14:40:24Z
Lists: pgsql-hackers
Excerpts from Heikki Linnakangas's message of jue jun 09 04:56:41 -0400 2011:

> Fortunately the fix is very simple, we just need to set the page_dirty 
> flag whenever we modify an slru page. But clearly this slru stuff needs 
> more testing. It's pretty hard to write good repeatable test cases for 
> these things, though.

Maybe reduce the number of SLRU buffers used?

-- 
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support