| From: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: Autovacuum cancellation |
| Date: | 2007-10-26 09:32:09 |
| Message-ID: | 4721B419.1070700@enterprisedb.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers pgsql-hackers pgsql-patches |
Alvaro Herrera wrote:
> /*
> * Look for a blocking autovacuum. There will only ever
> * be one, since the autovacuum workers are careful
> * not to operate concurrently on the same table.
> */
I think that's a bit unaccurate. You could have multiple autovacuum
workers operating on different tables participating in a deadlock. The
reason that can't happen is that autovacuum never holds a lock while
waiting for another.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Gregory Stark | 2007-10-26 09:49:21 | Re: Autovacuum cancellation |
| Previous Message | User Mkz | 2007-10-26 09:12:33 | pgbouncer - pgbouncer: fix signedness warnings in code |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Martijn van Oosterhout | 2007-10-26 09:48:23 | Re: module archive |
| Previous Message | Peter Eisentraut | 2007-10-26 08:57:01 | Re: module archive |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Gokulakannan Somasundaram | 2007-10-26 09:48:50 | Re: [HACKERS] Including Snapshot Info with Indexes |
| Previous Message | Zdenek Kotala | 2007-10-26 09:17:04 | Fix ecpg dependency on postgres.h |