| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
| Cc: | Dawid Kuroczko <qnex42(at)gmail(dot)com>, Ron Mayer <rm_pg(at)cheapcomplexdevices(dot)com>, Decibel! <decibel(at)decibel(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: configurability of OOM killer |
| Date: | 2008-02-07 23:25:07 |
| Message-ID: | 18184.1202426707@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> On Thu, Feb 07, 2008 at 08:22:42PM +0100, Dawid Kuroczko wrote:
>> ....while we are at it -- one feature would be great for 8.4, an
>> ability to shange shared buffers size "on the fly".
> Shared memory segments can't be resized... There's not even a kernel
> API to do it.
Even if there were, it seems unlikely that we could reallocate shared
memory without stopping all active transactions, so it'd be barely less
invasive than a postmaster restart anyhow.
regards, tom lane
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