Re: configurability of OOM killer

* Alvaro Herrera:

> I am wondering if we can set the system up so that it skips postmaster,
> bgwriter etc, and feels more preference towards normal backends (but
> then, we would try to give them less points than other regular
> processes).  That could make the system more robust overall, even if the
> sysadmin hasn't configured it.

How much does that help?  Postmaster &c still need to be shut down
when a regular backend dies due to SIGKILL.

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