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From: "Martin J. Bligh" <mbligh@aracnet.com>
To: GrandMasterLee <masterlee@digitalroadkill.net>
Cc: Austin Gonyou <austin@coremetrics.com>, linux-kernel@vger.kernel.org
Subject: Re: Using O(1) scheduler with 600 processes.
Date: Thu, 23 Jan 2003 22:48:19 -0800	[thread overview]
Message-ID: <438270000.1043390898@titus> (raw)
In-Reply-To: <1043389673.14486.7.camel@localhost>

> Heh..Well, I am currently using 2.4.19rc5aa1. We're having some major
> stack problems, so I first when through trying to update the XFS
> codebase in 2.4.19rc5aa1. That didn't prove very fruitful. I couldn't
> even fully reverse the patch for some reason.
> 
> So I decided to try 2.4.20aa1 instead, reversing the xfs patches, and
> then updating with a newer code base, worse problems reversing those xfs
> patches. 
> 
> SO I decided to just roll my own with the known features we use in
> production.
> 
> 2.4.20 + xfs + lvm106 + rmap or aavm + O(1) sched + pte-highmem. 

If you have enough ptes to want pte-highmem, I doubt you want rmap.
pte-chain space consumption will kill you. The calculations are pretty
easy to work out as to what the right solution is for your setup.

M.

  reply	other threads:[~2003-01-24  6:39 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-24  0:10 Using O(1) scheduler with 600 processes Austin Gonyou
2003-01-24  0:24 ` Martin J. Bligh
2003-01-24  6:09   ` GrandMasterLee
2003-01-24  6:18     ` Martin J. Bligh
2003-01-24  6:27       ` GrandMasterLee
2003-01-24  6:48         ` Martin J. Bligh [this message]
2003-01-24  8:50           ` William Lee Irwin III
2003-01-24  2:05 ` mgross
2003-01-24  6:08   ` GrandMasterLee
2003-01-24 18:22     ` mgross
2003-01-24 21:44       ` GrandMasterLee
  -- strict thread matches above, loose matches on Subject: below --
2003-01-24  0:24 Perez-Gonzalez, Inaky

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