| From: | Rob Newton <rob(at)freeshell(dot)org> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | Devrim GÜNDÜZ <devrim(at)gunduz(dot)org>, Anj Adu <fotographs(at)gmail(dot)com>, pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: XID wraparound in 8.4 |
| Date: | 2009-08-13 00:22:27 |
| Message-ID: | 4A835CC3.6020603@freeshell.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
Alvaro Herrera wrote:
> Devrim GÜNDÜZ escribió:
>
>> FWIW, PostgreSQL 8.3+ will start autovacuum (even if it is turned off)
>> if a database is approaching XID wraparound, and get rid of the
>> problem-- so you don't actually need to check it.
>
> 8.1 does it too. The main difference is that 8.1 will run a
> database-wide vacuum, whereas in 8.2 and up it only vacuum tables that
> have not been vacuumed recently.
>
Alvaro, we had an 8.1 server that did not start autovacuum when XID
wraparound was approaching. Rather, it just stopped performing
transactions, and returned the usual XID wraparound warning.
- Rob
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alvaro Herrera | 2009-08-13 01:13:13 | Re: XID wraparound in 8.4 |
| Previous Message | Tom Lane | 2009-08-12 23:25:46 | Re: "Too many open files in system" error |