--- Comment #11 from Dave Chinner <david@xxxxxxxxxxxxx> 2010-07-13 08:15:45 ---
Ok, so there's about 4m clean cached inodes and dentries at the start, and 2.5m
cached dentries and 3.6m cached inodes at the end. reclaim doesn't really seem
to be making much progress here - inodes can't be reclaimed until dentries are
freed, and that isn't happening very fast, either.
I can reproduce kswapd running for a few seconds while it reclaims a couple of
million inodes and dentries, but I can't keep it running for minutes.
Right now I'll focus on the xfs-perag_get/put frequency and try to work that
out. Can you post the output of xfs_info for each XFS filesystem you have so i
can see how many filesystems and AGs are being traversed during each reclaim
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