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Posted to issues@aurora.apache.org by "Chris Lambert (JIRA)" <ji...@apache.org> on 2015/02/09 23:24:35 UTC

[jira] [Updated] (AURORA-1097) Scheduler updater should suppress instance events on resume

     [ https://issues.apache.org/jira/browse/AURORA-1097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Lambert updated AURORA-1097:
----------------------------------
    Priority: Minor  (was: Major)

> Scheduler updater should suppress instance events on resume
> -----------------------------------------------------------
>
>                 Key: AURORA-1097
>                 URL: https://issues.apache.org/jira/browse/AURORA-1097
>             Project: Aurora
>          Issue Type: Task
>          Components: Scheduler
>            Reporter: Maxim Khutornenko
>            Priority: Minor
>
> Scheduler updater does not attempt to suppress redundant instance events in case an update is paused/blocked and is subsequently resumed/pulsed. This leads to a useless sequence of no-op instance events, which may quickly consume the allocated event cap (tracked in AURORA-1096). 
> For example, an update paused/resumed 2 times after instance 1 is updated will generate the following instance sequence:
> 1=[INSTANCE_UPDATING, INSTANCE_UPDATED, INSTANCE_UPDATING, INSTANCE_UPDATED, INSTANCE_UPDATING, INSTANCE_UPDATED]



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