| From: | Kevin Grittner <kgrittn(at)gmail(dot)com> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: emergency outage requiring database restart |
| Date: | 2016-10-21 13:03:21 |
| Message-ID: | CACjxUsPZoYyNthWHMfqHB4Ck7QMfbx=vuvNLMDTZggLtVds25g@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Oct 18, 2016 at 8:45 AM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
> Most or all the damage seemed to be to the system catalogs with
> at least two critical tables dropped or inaccessible in some
> fashion. A lot of the OIDs seemed to be pointing at the wrong
> thing.
While the oid in pg_class often matches the filename, that is not
true after some operations (like CLUSTER or VACUUM FULL). It is
the relfilenode column that is the definitive link to the file.
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Bruce Momjian | 2016-10-21 13:19:34 | Default setting for autovacuum_freeze_max_age |
| Previous Message | Craig Ringer | 2016-10-21 12:41:30 | Re: [RFC] Transaction management overhaul is necessary? |