"Craig A. James" <cjames@modgraph-usa.com> writes:
> OOM? Can you give me a quick pointer to what this acronym stands for
> and how I can reconfigure it?
See "Linux Memory Overcommit" at
http://www.postgresql.org/docs/8.1/static/kernel-resources.html#AEN18128
or try googling for "OOM kill" for non-Postgres-specific coverage.
> It sounds like a "feature" old UNIX
> systems like SGI IRIX had, where the system would allocate virtual
> memory that it didn't really have, then kill your process if you tried
> to use it. I.e. malloc() would never return NULL even if swap space
> was over allocated. Is this what you're talking about? Having this
> enabled on a server is deadly for reliability.
No kidding :-(. The default behavior in Linux is extremely unfortunate.
regards, tom lane