On Thu, May 13, 2010 at 7:22 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On Thu, 2010-05-13 at 19:08 +0900, Fujii Masao wrote:
>
>> I was able to reproduce such a hang by not executing another
>> transaction after rollback. In this case, walsender cannot replicate
>> the rollback since it's not in the disk.
>
> WALWriter is not active?
WALWriter is active, but unfortunately it doesn't flush all of the WAL
records in wal_buffers. Please see XLogBackgroundFlush().
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center