Hi,
see below
Am 26.07.2012 10:25, schrieb Craig Ringer:
First, thank-you for an excellent complete question with versions,
EXPLAIN ANALYZE, and exact messages.
;)
- Do you have any uncommitted two phase transactions? Run:
SELECT * from pg_prepared_xacts ;
hm yes, i stopped all applications this morning but this query shows:
transaction | gid |
prepared | owner | database
-------------+----------------------------------------------------------------------------------------------+-------------------------------+--------+-----------
49737548 |
131075_MS03ZjAwMDAwMTpjZmVlOjRlZDg3MTk2OjY4NGJlN2I=_N2YwMDAwMDE6Y2ZlZTo0ZWQ4NzE5Njo2ODRiZTdm
| 2012-01-05 07:49:30.78583+01 | xxx | db1
49737549 |
131075_MS03ZjAwMDAwMTpjZmVlOjRlZDg3MTk2OjY4NGJlN2I=_N2YwMDAwMDE6Y2ZlZTo0ZWQ4NzE5Njo2ODRiZTg0
| 2012-01-05 07:49:30.789382+01 | xxx | db2
system time is valid (Thu Jul 26 10:38:12 CEST 2012). so may 1st is
really old
Should I restart the instance?
- Do you have any long-lived 'IDLE IN TRANSACTION' connections ? Try:
SELECT * FROM pg_stat_activity WHERE current_query = '<IDLE> in
transaction' AND xact_start > current_timestamp - '1 minute'::interval;
none, and there was a disconnect from all clients this morning
Either of those can prevent vacuum from cleaning things up.
Do you very frequently create and drop tables, indexes, etc? Say,
using a database unit testing framework?
no, its a live system with normal olap access
Thomas
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