Rainbows! Rack HTTP server user/dev discussion
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From: Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org>
To: Rainbows! list <rainbows-talk-GrnCvJ7WPxnNLxjTenLetw@public.gmane.org>
Subject: Re: memory usage
Date: Tue, 22 Oct 2013 16:09:30 +0000
Message-ID: <20131022160930.GA3020@dcvr.yhbt.net> (raw)
In-Reply-To: <52663744.6040600-VwDbj2YsoUp0ZRtCdD4y8VAUjnlXr6A1@public.gmane.org>

Alexandre Riveira <alexandre-VwDbj2YsoUp0ZRtCdD4y8VAUjnlXr6A1@public.gmane.org> wrote:
> I usually use XEpollThreadPool however persebi a large memory usage
> for sites that have a lot of content and access reaching over 1 GB.
> Changed to ThreadPool and memory fell not from 4x 256MB. However
> XEpollThreadPool is faster than ThreadPool. Accepted suggestions for
> configuration. I tested also with CoolioThreadPool speed was good
> but the memory consumption and large too.

Wait, ThreadPool uses significantly less than XEpollThreadPool?

Since this is likely glibc/eglibc, try setting MALLOC_ARENA_MAX=1 and
MALLOC_ARENA_TEST=1 in the env before starting Rainbows!  AFAIK, these
are mainly documented by Red Hat, but in all recent-ish versions of
glibc/eglibc support it.

Then increase the values if you see performance gains (unlikely unless
your app releases the GVL a lot or don't have one (rbx)).
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Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-22  8:28 Alexandre Riveira
     [not found] ` <52663744.6040600-VwDbj2YsoUp0ZRtCdD4y8VAUjnlXr6A1@public.gmane.org>
2013-10-22 16:09   ` Eric Wong [this message]
     [not found]     ` <20131022160930.GA3020-yBiyF41qdooeIZ0/mPfg9Q@public.gmane.org>
2013-10-22 18:08       ` Alexandre Riveira
2013-10-27 11:35       ` Alexandre Riveira
     [not found]         ` <526CFA8C.7000300-VwDbj2YsoUp0ZRtCdD4y8VAUjnlXr6A1@public.gmane.org>
2013-10-28  0:37           ` Eric Wong
     [not found]             ` <20131028003755.GA6569-yBiyF41qdooeIZ0/mPfg9Q@public.gmane.org>
2013-10-28 18:40               ` Alexandre Riveira

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