| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | sean(dot)hope(at)eroad(dot)com |
| Cc: | pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #14195: "MultiXactId XXXXXX has not been created yet -- apparent wraparound" after upgrade from 9.2 |
| Date: | 2016-06-24 22:59:30 |
| Message-ID: | 20160624225930.GA356956@alvherre.pgsql |
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| Thread: | |
| Lists: | pgsql-bugs |
sean(dot)hope(at)eroad(dot)com wrote:
> Hi,
>
> We're having issues with 'MultiXactId xxxxxxxxx has not been created yet --
> apparent wraparound' log messages upon table vacuums. The vacuums are
> cancelled by the system after this message is issued.
>
> These messages have only been seen since upgrading from 9.2.x to 9.4.7 via
> pg_upgrade about a month ago. This is a large / high transaction rate (1120
> tps) database. We are unable to vacuum the affected tables (5 of them)
> currently due to this issue.
This is fixed now, finally.
https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=61b24fef89a9f7e381e6d83029b63e062d32812b
The other thread I linked to earlier has more discussion.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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