| From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: NUMA packaging and patch |
| Date: | 2014-06-10 17:34:28 |
| Message-ID: | 1402421668.47534.YahooMailNeo@web122302.mail.ne1.yahoo.com |
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| Lists: | pgsql-hackers |
Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> On 06/08/2014 03:45 PM, Kevin Grittner wrote:
>> By default, the OS cache and buffers are allocated in the memory
>> node with the shortest "distance" from the CPU a process is
>> running on.
>
> Note that this will stop being the default in future Linux kernels.
> However, we'll have to deal with the old ones for some time to come.
I was not aware of that. Thanks. Do you have a URL handy?
In any event, that is the part of the problem which I think falls
into the realm of packagers and/or sysadmins; a patch for that
doesn't seem sensible, given how cpusets are implemented. I did
figure we would want to add some documentation around it, though.
Do you agree that is worthwhile?
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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