Re: pgsql: Add checks to TRUNCATE, CLUSTER, and REINDEX to prevent

Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > You want a TODO for 3883?
>
> Yeah, I would like to have some positive detection for deadlocks
> involving LockBufferForCleanup().  What is unclear is how the heck
> to do that without adding unacceptable overhead to buffer pin/unpin.

OK, added to TODO:

    * Improve deadlock detection when deleting items from shared buffers

      http://archives.postgresql.org/pgsql-bugs/2008-01/msg00138.php
      http://archives.postgresql.org/pgsql-hackers/2008-01/msg00873.php
      http://archives.postgresql.org/pgsql-committers/2008-01/msg00365.php

Let me know if there is better wording.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +