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[Bug 1171601] Re: dbapi_use_tpool exposes problems in eventlet

 

The "use_tpool" option (formerly "dbapi_use_tpool") isn't anymore part
of Nova with commit [1]. "oslo.db" on the other hand is still using this
[2]. Therefore I'm removing "nova" as affected project but add "oslo.db"
instead.

Unfortunately the eventlet fix is sill open [3].

References:
[1] https://github.com/openstack/nova/commit/1b83b2f#diff-83e0a63a67e7c5f5759f002a5fde8da9L51
[2] http://git.openstack.org/cgit/openstack/oslo.db/tree/oslo_db/concurrency.py#n29
[3] https://bitbucket.org/eventlet/eventlet/pull-requests/29/fix-use-of-semaphore-with-tpool-issue-137/diff

** Project changed: nova => oslo.db

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https://bugs.launchpad.net/bugs/1171601

Title:
  dbapi_use_tpool exposes problems in eventlet

Status in oslo.db:
  Confirmed

Bug description:
  The dbapi_use_tpool option doesn't work completely because of problems
  in eventlet.  Even though this is technically an eventlet issue, it's
  important for Nova so this bug is to track the issue getting fixed in
  eventlet.

  There is a patch in progress here:

  https://bitbucket.org/eventlet/eventlet/pull-request/29/fix-use-of-
  semaphore-with-tpool-issue-137/diff

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