[openstack-dev] Glance hang uploading images

Daniel P. Berrange berrange at redhat.com
Mon Jan 14 14:28:52 UTC 2013

Ever since this change went into Glance:

  commit 0e9111ca59ee5e487f23f5db91c6f8c33036410b
  Author: Therese McHale <therese.mchale at hp.com>
  Date:   Thu Dec 13 13:34:19 2012 +0000

    Use one wsgi app, one dbengine worker.

    Return to using one wsgi application but use one database engine
    per worker process.

    Fixes Bug #1089916

    Change-Id: Iea4b1b925208317c3c6ee3c9461b6723f3168405

Devstack will get stuck at uploading images into glance. Debugging shows
that the glance services themselves have hung. Even after killing the
devstack 'glance' client process, further calls to glance all hang, until
the glance services are restarted.

I'm guessing this is not happening to everyone, otherwise this would have
been fixed by now. So does anyone have any ideas why this might be
happening ?

I'm using Fedora 18 and devstack setup fresh from GIT.

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