From: Paul Jimenez <pj@rg...> - 2006-07-18 15:36:28
Anyone using AoE and OCFS2? I've got some dual opterons with 16G of
RAM that I'm trying to get to stably read/write to a coraid with
OCFS2 on it. The 'stably' part seems to be the kicker as if I do any
large amount of i/o I run the machine out of low memory and the oom
killer comes in and it just all goes downhill from there. So far I'm
running with the following tweaks:
vm.dirty_expire_centisecs = 500
vm.dirty_writeback_centisecs = 100
the dirty_writeback_centisecs seemed to keep a single rsync (of ~
200G from a local disk to the coraid) from killing the system, but
doing other i/o (downloading and installing a bunch of software at
the same time) triggerd the oom-killer again.
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