On Wed, Oct 27, 2010 at 3:03 AM, fazool mein <fazoolm...@gmail.com> wrote: > >> Might I suggest adopting the same technique walsender does, ie just read >> the data back from disk? There's a reason why we gave up trying to have >> walsender read directly from the buffers. >> > > That is exactly what I do not want to do, i.e. read from disk, as long as > the piece of WAL is available in the buffers.
I implemented before the patch which makes walsender read WAL from the buffer without holding neither WALInsertLock nor WALWriteLock. That might be helpful for you. Please see the following post. http://archives.postgresql.org/pgsql-hackers/2010-06/msg00661.php Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
