[jira] [Commented] (YUNIKORN-1493) update gang documentation to recommend FIFO

["Wilfred Spiegelenburg (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YUNIKORN-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17651073#comment-17651073 ] 

Wilfred Spiegelenburg commented on YUNIKORN-1493:
-------------------------------------------------

BTW: this should include a comment in the [StateAware policy|https://yunikorn.apache.org/docs/user_guide/sorting_policies/#stateawarepolicy] details that FIFO and gang is a better solution

> update gang documentation to recommend FIFO
> -------------------------------------------
>
>                 Key: YUNIKORN-1493
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1493
>             Project: Apache YuniKorn
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Wilfred Spiegelenburg
>            Priority: Major
>              Labels: newbie
>
> In the current gang scheduling documentation we show FIFO or StateAware as [prerequisite for the app sorting policy|https://yunikorn.apache.org/docs/user_guide/gang_scheduling/#prerequisite].
> We should not recommend StateAware as a failing driver or a long initialisation period for a driver could slow down the processing. The StateAware timeout will  slow down processing to just one application per timeout. This in effect will overrule the gang reservation.
> So you should either use FIFO with gang or StateAware without gang scheduling.



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