Re: PostgreSQL crashes with Qmail-SQL

Tom Lane wrote:
> Justin Clift <justin@postgresql.org> writes:
> >> No such file??  Hard to believe that that could happen while the
> >> postmaster was still running.  Unless something else had decided to
> >> delete the socket file from /tmp.  The postmaster certainly would not
> >> do it.
> 
> > This provides an interesting lead.  There's at least one linux
> > distribution which does this.  Part of the cron'd maintenance scripts
> > delete all the files in /tmp, and therefore play havoc....
> 
> Yeah, I do recall that some versions had a tmp-scrubber that didn't make
> any exception for socket files.  But it's kind of a big coincidence to
> assume that would happen just while Michael was running his benchmark.
> Not sure I credit it.

We added some PostgreSQL code to touch the socket file during
checkpoints, and I thought that was in 7.1.

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