We did run out of conns as our processes which tried to connect (over few days) got hung in '*startup waiting state'. *Even superuser conns are also over.
Thanks Anoop On Thu, Feb 7, 2013 at 3:37 PM, Scott Marlowe <scott.marl...@gmail.com>wrote: > It sounds like you're running out of connections. Have you tried > connecting as postgres? It has 2 or 3 superuser connections reserved > by default. > > On Thu, Feb 7, 2013 at 1:38 AM, Anoop K <anoo...@gmail.com> wrote: > > I have the setup in problem state. But I am not able to make psql > > connections to view the lock details. > > psql connections are hanging. Is there any other info which can be > collected > > in this state ? > > > > Also we don't know the steps to reproduce the issue. > > > > > > On Thu, Feb 7, 2013 at 1:23 PM, Albe Laurenz <laurenz.a...@wien.gv.at> > > wrote: > >> > >> Anoop K wrote: > >> > We are hitting a situation where REINDEX is resulting in postgresql to > >> > go to dead lock state for ever. > >> > On debugging the issue we found that > >> > 3 connections are going in to some dead lock state. > >> > > >> > 1. idle in transaction > >> > 2. REINDEX waiting > >> > 3. SELECT waiting > >> > > >> > All these connections are made in the same minute. Once in deadlock > >> > state we are not able to make new > >> > connections to db.(So not able to view pg_locks also). New connections > >> > appears as 'startup waiting' in > >> > ps output. Initially we suspected <idle in transaction> is the result > of > >> > not closing a connection. But > >> > it seems it got stuck after creating a connection and is not able to > >> > proceed. > >> > > >> > Any clues .. > >> > >> Check the contents of pg_locks: > >> What locks does the "idle in transaction" session hold? > >> Who holds the locks that block SELECT, REINDEX and new connections? > >> > >> Turn on log_statement='all' to see what the "idle in transaction" > >> session did since it started. > >> > >> Yours, > >> Laurenz Albe > > > > > > > > -- > To understand recursion, one must first understand recursion. >
