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[Bug 1172475] Re: Functional tests spend too much time creating the DB

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 29 May 2013 08:55:03 -0000
Reply-to: Bug 1172475 <1172475@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: glance
       Status: Fix Committed => Fix Released

** Changed in: glance
    Milestone: None => havana-1

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https://bugs.launchpad.net/bugs/1172475

Title:
  Functional tests spend too much time creating the DB

Status in OpenStack Image Registry and Delivery Service (Glance):
  Fix Released

Bug description:
  Every functional test in glance that creates a registry service and/or
  a api service also creates a fresh sqlite db by forking out a call to
  glance-manage db_sync.  This is expensive now, and will only get more
  expensive, because db_sync must walk every migration.

  We should change that a clean db is only created once and then cached.
  A copy of the cache could then be used for each test.  An initial
  proof of concept shows that this could speed up tests by 3x

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