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[Bug 1457554] Re: host-evacuate-live doesn't limit number of servers evacuated simultaneously from a host

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: melanie witt <1457554@xxxxxxxxxxxxxxxxxx>
Date: Wed, 27 May 2015 18:51:07 -0000
Reply-to: Bug 1457554 <1457554@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Also affects: nova
   Importance: Undecided
       Status: New

** No longer affects: python-novaclient

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https://bugs.launchpad.net/bugs/1457554

Title:
  host-evacuate-live doesn't limit number of servers evacuated
  simultaneously from a host

Status in OpenStack Compute (Nova):
  New

Bug description:
  Attempting to evacuate too many servers from a single host
  simultaneously could result in bandwidth starvation. Instances dirty
  their memory faster than they can be migrated, resulting in instances
  perpetually stuck in the migrating state.

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