From: HATAYAMA Daisuke <d.hatayama@xxxxxxxxxxxxxx> Subject: Re: [RFC PATCH v2 0/10] makedumpfile: cyclic processing to keep memory consumption. Date: Wed, 4 Jul 2012 17:52:11 +0900 > From: Atsushi Kumagai <kumagai-atsushi at mxc.nes.nec.co.jp> > Subject: Re: [RFC PATCH v2 0/10] makedumpfile: cyclic processing to keep memory consumption. > Date: Wed, 4 Jul 2012 14:54:06 +0900 > >> Hello Vivek, >> >> On Mon, 2 Jul 2012 08:39:05 -0400 >> Vivek Goyal <vgoyal at redhat.com> wrote: >> >>> On Fri, Jun 29, 2012 at 11:13:20AM +0900, Atsushi Kumagai wrote: >>> > Hello, >>> > >>> > I improved prototype of cyclic processing as version 2. >>> > If there is no objection to basic idea, I want to consider the things >>> > related to performance as next step. (Concretely, buffer size and the patch set >>> > HATAYAMA-san sent a short time ago.) >>> > >>> >>> Hi Atushi san, >>> >>> Good to see this work making progress. I have few queries. >>> >>> - Do you have some numbers for bigger machines like 1TB or higher memory. >>> I am curious to know how bad is the time penalty. >> >> I'm afraid that I don't have such a large machine, so I need someone who can >> measure execution time in large machine. >> > > I can prepare such machine but I cannot say I can use the machine on > this day precisely for example. But I think it must be until the end > of this month at most. So, I would like to fix content of benchmark > first. > Hello Kumagai-san, I'm now trying to reserve the machine with big memory, but I'm not accurately sure when I can use the machine; expecting within this month? In advance, I want to make sure what I measure in this benchmark in more detail. I'm going to collect at least what you showed in your benchmark: RSS size for no option, -cd31 and -Ed31. Is there another to collect? Thanks. HATAYAMA, Daisuke
