Messages in this thread | | | Date | Mon, 3 Dec 2012 22:00:06 +0200 (EET) | From | Dimitrios Apostolou <> | Subject | Re: backing up ext4 fs, system unresponsive, thrashing like crazy even though swap is unused |
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On Mon, 3 Dec 2012, Dimitrios Apostolou wrote: > > I've managed to reproduce the scenario with concurrent "du" commands running > on the filesystems. I'll try doing it once more, but it may take a while to > get the dmesg/slabinfo etc output, since even a realtime root shell is > non-responsive for many minutes. > > What other debug output do you suggest to get, to find out why ext4 inodes > are pinned?
Important detail: one of the filesystems contains *huge* maildirs, containing hundreds of thousands of messages.
Dimitris
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