From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: "Westerdale, John" <John.Westerdale@stryker.com>
Cc: kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org
Subject: Re: Difference between CommitLimit and Comitted_AS?
Date: Thu, 2 Dec 2010 11:50:59 +0900 (JST) [thread overview]
Message-ID: <20101202115121.158D.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <585ebcca-1e2f-496b-ad10-84b6f0f3e4fd@blur>
> Kosaki,
>
> Thanks for your contribution.
>
> This system is only running 25 pct of projected load, so I am concerned.
>
> If we add up physical memory plus swap would that be a comfortable limit for
> committed_AS?
>
> Can tomcat (or whaever webshere uses for servelets) be tuned to allocate a
> fixed amount per session?
>
> as there are other applications on the same server, need to set up good
> fences.
>
> can I use ulimits to exercise some rough level of control?
When running Java, address space limitation (committed_AS and ulimit) are useless.
Java runtime consume much much AS rather than physical. So, I would recommend you
use memory cgroup.
Thanks.
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prev parent reply other threads:[~2010-12-02 2:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-01 18:40 Westerdale, John
2010-12-02 1:41 ` KOSAKI Motohiro
2010-12-02 2:15 ` Westerdale, John
2010-12-02 2:30 ` Westerdale, John
2010-12-02 2:50 ` KOSAKI Motohiro [this message]
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