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[Bug 1157442] Re: db.service_update unused join to compute_node

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 20 Mar 2013 16:16:28 -0000
Reply-to: Bug 1157442 <1157442@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: nova
    Milestone: None => grizzly-rc1

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https://bugs.launchpad.net/bugs/1157442

Title:
  db.service_update unused join to compute_node

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  Every time when we are updating service we are making join to
  compute_node.

  We don't use compute_node data from returning value.

  And this method is very offen called. 
  For example if we have about 1000 nodes there will be about 1k services. And each 10 seconds they are updated. So it produces about 100 req/sec.

  So it is important to make this method faster.

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