Re: BUG #11264: Auto vacuum wraparound job blocking everything

Here is the pg_controldata output from 9.1. Thanks. Dinesh

$ /usr/pgsql-9.1/bin/pg_controldata data
pg_control version number: 903
Catalog version number: 201105231
Database system identifier: 5720710153987476471
Database cluster state: in production
pg_control last modified: Sat 19 Jul 2014 07:05:08 AM GMT
Latest checkpoint location: FC0/25643788
Prior checkpoint location: FC0/169F2238
Latest checkpoint's REDO location: FC0/1D919830
Latest checkpoint's TimeLineID: 1
Latest checkpoint's NextXID: 0/950483638
Latest checkpoint's NextOID: 1146307754
Latest checkpoint's NextMultiXactId: 20783
Latest checkpoint's NextMultiOffset: 42669
Latest checkpoint's oldestXID: 750608965
Latest checkpoint's oldestXID's DB: 16411
Latest checkpoint's oldestActiveXID: 0
Time of latest checkpoint: Sat 19 Jul 2014 07:02:38 AM GMT
Minimum recovery ending location: 0/0
Backup start location: 0/0
Current wal_level setting: minimal
Current max_connections setting: 1024
Current max_prepared_xacts setting: 0
Current max_locks_per_xact setting: 256
Maximum data alignment: 8
Database block size: 8192
Blocks per segment of large relation: 131072
WAL block size: 8192
Bytes per WAL segment: 16777216
Maximum length of identifiers: 64
Maximum columns in an index: 32
Maximum size of a TOAST chunk: 1996
Date/time type storage: 64-bit integers
Float4 argument passing: by value
Float8 argument passing: by value

-----Original Message-----
From: Alvaro Herrera [mailto:alvherre(at)2ndquadrant(dot)com]
Sent: Wednesday, August 27, 2014 8:48 AM
To: Dinesh Bhandary
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: [BUGS] BUG #11264: Auto vacuum wraparound job blocking everything

Dinesh Bhandary wrote:

> We used psotgres 9.3.4 to pg_upgrade from 9.1. We just upgraded
> binaries to 9.3.5 just last week ? Would this cause any issues with
> MultiXid issue.

So you ran 200 million write transactions in one week?

Do you still have the 9.1 data from before the upgrade? If so, would you paste pg_controldata output from that?

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services