Re: DB Cluster hanging

Nigel Bishop <nigel(dot)bishop(at)gmail(dot)com> writes:
> Last night at 3am our Postgresql DB cluster hung. At the time data
> was being loaded. The parameter log_statement_stats in the
> postgresql.conf file was set to true. This was churning out data into
> the logfile which was switching every 10Mb. Eventually the partition
> where the logfiles are written to filled up fair enough this had
> been going on since about 5.30pm the previous evening and the logfiles
> were being generated at the rate of 4/5 a minute. The partition was
> cleared of old logs and I expected the DB to spring in to life, but no
> it just sat there. I could not connect with psql or pg_ctl to
> shutdown the cluster.

How was the logging being done exactly? syslog? redirect_stderr?
If redirect_stderr, this could well be a PG bug --- I kinda doubt
anyone has tested that scenario.

regards, tom lane