Re: Some interesting news about Linux 3.12 OOM

From: Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, Daniel Farina <daniel(at)heroku(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Some interesting news about Linux 3.12 OOM
Date: 2013-09-19 16:29:38
Message-ID: m2eh8kzsel.fsf@2ndQuadrant.fr
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> What has changed is how to react to situations where memory has been
> overcommitted but is now actually needed.

Sure. You either have a failure at malloc() or usage, over commit is all
about never failing at malloc(), but now you have to deal with OOM
conditions in creative way, like with the OOM Killer.

Anyways,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message dlight 2013-09-19 16:30:05 Re: Performance problem in PLPgSQL
Previous Message Andres Freund 2013-09-19 16:27:09 Re: Some interesting news about Linux 3.12 OOM