Public bug reported: During a scheduling if we use filter that needs to get data from aggregates like CoreFilterAggregate, RamFilterAggregate does. The filter retrieves metadata from the database for every host and can creates a performance impact if we have several hosts.
** Affects: nova Importance: Medium Assignee: sahid (sahid-ferdjaoui) Status: New ** Tags: scheduler ** Changed in: nova Assignee: (unassigned) => sahid (sahid-ferdjaoui) ** Description changed: During a scheduling if we use filter that needs to get data from aggregates like CoreFilterAggregate, RamFilterAggregate does. - The filter retrieves metadata from the database for every host and can create a performance impact if we have several hosts. + The filter retrieves metadata from the database for every host and can creates a performance impact if we have several hosts. ** Tags added: scheduler ** Changed in: nova Importance: Undecided => Medium -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1300775 Title: Scheduler, performance impact when dealing with aggregates Status in OpenStack Compute (Nova): New Bug description: During a scheduling if we use filter that needs to get data from aggregates like CoreFilterAggregate, RamFilterAggregate does. The filter retrieves metadata from the database for every host and can creates a performance impact if we have several hosts. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1300775/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp