Tom Lane wrote:
> Ken <mailinglists@creason.com> writes:
> > During busy hours, Postgres and Apache are reporting
> > errors that there are too many open files, and sometimes
> > Postgres will crash.
>
> You need to raise the kernel's file table size (most Unixen call
> this kernel parameter NFILE; also NINODE might be interesting).
> It's a system-wide limit, not a per-process limit.
>
> > echo "8192" > /proc/sys/fs/file-max
> > (did not seem to make a difference)
>
> This *looks* plausible, but I'm not familiar enough with Linux to know
> if that's the right incantation or not. Also, did you check to see
> what the original value is? I'm not sure that 8k is more than the
> default ...
It is the right place. IIRC the default is either 4 or 8K. I
usually set it to 32K or even more (depends on the number of
tables and number of backends I expect).
Jan
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