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From "Shalin Shekhar Mangar (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SOLR-13082) A trigger that creates trigger events more frequently than the cool down period can starve other triggers
Date Wed, 02 Jan 2019 06:56:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-13082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shalin Shekhar Mangar resolved SOLR-13082.
------------------------------------------
    Resolution: Fixed
      Assignee: Shalin Shekhar Mangar

Thanks Andrzej for pointing out this problem to me.

> A trigger that creates trigger events more frequently than the cool down period can starve
other triggers
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-13082
>                 URL: https://issues.apache.org/jira/browse/SOLR-13082
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: AutoScaling
>            Reporter: Shalin Shekhar Mangar
>            Assignee: Shalin Shekhar Mangar
>            Priority: Major
>             Fix For: master (8.0), 7.7
>
>         Attachments: SOLR-13082.patch
>
>
> A trigger that creates frequent events (such as ScheduledTrigger) with period less than
the cool down period can starve all other triggers. This is because we execute triggers in
the same order each time so if the scheduled trigger happens to be the first in the list then
after every cool down period, the scheduled trigger can create another event and the cycle
repeats.



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