From: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | t-ishii(at)sra(dot)co(dot)jp, pgsql-hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Tom Lane's fixes in v6.4.3 |
Date: | 1999-03-05 01:08:33 |
Message-ID: | 199903050108.KAA27527@srapc451.sra.co.jp |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers |
> Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> writes:
> > One thing I noticed: when the backend runs out the
> > semaphores, postmatser dies with following messages:
>
> > IpcSemaphoreCreate: semget failed (No space left on device) key=5432017, num=16, permission=600
> > NOTICE: Message from PostgreSQL backend:
> > The Postmaster has informed me that some other backend died abnormally and possibly corrupted shared memory.
> > I have rolled back the current transaction and am going to terminate your database system connection and exit.
> > Please reconnect to the database system and repeat your query.
>
> > Is this normal?
>
> Yes, that's the behavior that we decided we'd better fix for 6.5.
Glad to hear that.
> I think retrofitting the various MaxBackends-related changes into 6.4.x
> would be risky --- the changes are fairly widespread and have not gotten
> all that much testing so far.
Ok. I will keep your patches for the case of having trouble with many
backends. I think it should be noted somewhere that 6.4.3 is not very
stable with many backends (known bugs section?).
--
Tatsuo Ishii
From | Date | Subject | |
---|---|---|---|
Next Message | Tatsuo Ishii | 1999-03-05 01:12:38 | Re: [HACKERS] v6.4.3beta3 ... |
Previous Message | Michael Graff | 1999-03-04 23:03:27 | Re: Your recent message to Topica.com |