On Mon, Aug 28, 2017 at 8:02 PM, Kyotaro HORIGUCHI <horiguchi.kyot...@lab.ntt.co.jp> wrote: > The first patch (0001-) fixes this problem, preventing the > problematic state of WAL segments by retarding restart LSN of a > physical replication slot in a certain condition.
FWIW, I have this patch marked on my list of things to look at, so you can count me as a reviewer. There are also some approaches that I would like to test because I rely on replication slots for some infrastructure. Still... + if (oldFlushPtr != InvalidXLogRecPtr && + (restartLSN == InvalidXLogRecPtr ? + oldFlushPtr / XLOG_SEG_SIZE != flushPtr / XLOG_SEG_SIZE : + restartLSN / XLOG_BLCKSZ != flushPtr / XLOG_BLCKSZ)) I find such code patterns not readable. -- Michael -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers