Geoffrey wrote:
> Alvaro Herrera wrote:
> >John Allgood wrote:
> >>Hey Tom
> >>
> >>    I assume that if it is the kernel running out of descriptors that I
> >>would get the messages in dmesg. This message only appears in the log
> >>file for that database.
> >
> >Yeah, the point is that you have the max_files_per_process setting
> >higher than what the kernel likes.  So decrease it, and Postgres will
> >adjust itself to use less file descriptors by closing and reopening
> >files as needed.
> 
> I work with the original poster and wanted to make sure the problem here 
> is clear.

Yes, that was understood from the beginning.

> The 'out of file descriptors' message is coming from 
> Postgresql, not the kernel.  Thus, it doesn't make sense to me that the 
> max_files_per_process setting is too high.  I would think we need to 
> increase it so that Postgresql will stop generating these errors.

No, you need to lower it so that Postgres doesn't _try_ to use as many
file descriptors.  Read this again:

> >                                    So decrease it, and Postgres will
> >adjust itself to use less file descriptors by closing and reopening
> >files as needed.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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