[jira] [Resolved] (SLIDER-302) add scheduled executor to AM and event queue for async action dispatch

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLIDER-302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran resolved SLIDER-302.
-----------------------------------

    Resolution: Fixed

> add scheduled executor to AM and event queue for async action dispatch
> ----------------------------------------------------------------------
>
>                 Key: SLIDER-302
>                 URL: https://issues.apache.org/jira/browse/SLIDER-302
>             Project: Slider
>          Issue Type: Sub-task
>          Components: appmaster
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>          Time Spent: 5h
>  Remaining Estimate: 0h
>
> some of the failure work: reset of sliding window, chaos events, imply scheduled actions. Some existing operations (AmSuicide) already use some threads for this
> # add a scheduled executor for pushing out this work
> # add any existing AM scheduled operations to the executor
> # add a simple event queue for the scheduled operations (and others) to push in actions for a pool of 1 or more handlers to process. This will stop an (already over-complex) sync model from getting worse
> Future: the action handler could review the queue and optimise work by postponing and consolidating size review operations until after any queued resizing actions (flex, release, lost-node, ...) have been processed



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