[Bug 824874] [NEW] nova-objectstore goes into a tight loop and becomes unresponsive

[James Troup]

Public bug reported:

Hi,

After a few hours of use our nova-objectstore became unresponsive.

strace showed it doing this in a tight loop:

recvfrom(6, "", 65536, 0, NULL, NULL)   = 0

/proc/$PID/fd:

lrwx------ 1 nova nogroup 64 2011-08-12 00:18 0 -> /dev/null
lrwx------ 1 nova nogroup 64 2011-08-12 00:18 1 -> /dev/null
lrwx------ 1 nova nogroup 64 2011-08-12 00:18 2 -> /dev/null
l-wx------ 1 nova nogroup 64 2011-08-12 00:18 3 -> /var/log/nova/nova-objectstore.log
lrwx------ 1 nova nogroup 64 2011-08-12 00:18 4 -> socket:[1159674]
lrwx------ 1 nova nogroup 64 2011-08-12 00:18 5 -> anon_inode:[eventpoll]
lrwx------ 1 nova nogroup 64 2011-08-12 00:18 6 -> socket:[1518448]
l-wx------ 1 nova nogroup 64 2011-08-12 00:18 7 -> /var/lib/nova/buckets/foo/natty-server-uec-amd64.img.part.00
lrwx------ 1 nova nogroup 64 2011-08-12 00:18 8 -> /tmp/tmp9vialB (deleted)

nova-objectstore version is 2011.3~d3-0ubuntu1 running on oneiric that's
maybe a week or so old.

** Affects: nova (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  nova-objectstore goes into a tight loop and becomes unresponsive

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