** Changed in: nova
Status: Fix Committed => Fix Released
** Changed in: nova
Milestone: None => liberty-rc1
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https://bugs.launchpad.net/bugs/1480029
Title:
lack index of instance_system_metadata.instance_uuid in pgsql
Status in OpenStack Compute (nova):
Fix Released
Bug description:
Nova db migrating script don't create index on
instance_system_metadata.instance_uuid for postgresql, it cause the
listing instances have low performance.
The following is our performance testing result, we have 200,000
instances, and 4,000,000 instance_system_metadata records in
background.
list 1000 instances in one API request
GET /${tenant_id}/servers/detail&limit=1000
No index:
4~5 minutes on average
After add index:
5 seconds on average
instance_system_metadata.instance_uuid index is created for mysql, now
need to add it for postgresql.
Code base:
$ git log -1
commit a8dd5722035784847fd7f7a915628d5feaaf5ff9
Merge: a74f07a 990ef48
Author: Jenkins <jenk...@review.openstack.org>
Date: Thu Jul 30 21:36:10 2015 +0000
Merge "Add DiskNotFound and VolumeNotFound test"
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