Tom Lane wrote: > Philip Warner <[EMAIL PROTECTED]> writes: > > Does this mean that ANALYZE will take an exclusive lock on pg_listener > > until the ANALYZE finishes? Or is there some other cause? > > ANALYZE does not take an exclusive lock on anything. However, the > async.c functions want AccessExclusiveLock on pg_listener, so they > quite possibly would get blocked by ANALYZE's not-so-exclusive lock. > > Possibly we could reduce the strength of the lock taken by the async.c > functions ... I haven't thought hard about it. The long-term answer is > certainly a wholesale rewrite of the listen/notify mechanism.
Gavin was working on it a while ago but I am not sure how far he got. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
