From: NucleoDyne Systems <nucleon@nucleodyne.com>
To: "Nayak, Samdeep" <Samdeep_Nayak@adaptec.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: Raw IO with High mem support.
Date: Wed, 12 Nov 2003 07:26:05 -0800 [thread overview]
Message-ID: <3FB2510D.1010108@nucleodyne.com> (raw)
In-Reply-To: B38A3B4F283DBA419282705B57A2425B154AC1@aime2k02.adaptec.com
Hi,
What kind of devices you have on the system?
Kallol
Nayak, Samdeep wrote:
>Hi,
>
>I am running into a strange performance issue after I upgraded my system
>ram to 2Gig. Earlier my system had 896MB and I was getting decent
>performance with character raw IO. However after rebuilding the kernel
>to support 4Gig Memory with 3Gig virtual memory on 2.4.X kernel, the
>performance seems to drop drastically. Physically removing the RAM got
>me back to the original performance. I am still trying to analyze this
>and any pointers to High Memory support with raw device would be greatly
>appreciated.
>
>Thanks in advance,
>-Samdeep
>
>
>-
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>
>
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prev parent reply other threads:[~2003-11-12 15:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-12 7:32 Raw IO with High mem support Nayak, Samdeep
2003-11-12 15:26 ` NucleoDyne Systems [this message]
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