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From "Matthias (Jira)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-21439) Adaptive Scheduler: Add support for exception history
Date Thu, 20 May 2021 06:20:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-21439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17348088#comment-17348088
] 

Matthias commented on FLINK-21439:
----------------------------------

Ah, you're right. I mixed up the failure handling and the failure support in my mind. {{AdaptiveScheduler}}
supports local task failures, but handles them like global failures for now. 

> Adaptive Scheduler: Add support for exception history
> -----------------------------------------------------
>
>                 Key: FLINK-21439
>                 URL: https://issues.apache.org/jira/browse/FLINK-21439
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Coordination
>    Affects Versions: 1.13.0
>            Reporter: Matthias
>            Assignee: John Phelan
>            Priority: Major
>              Labels: pull-request-available, reactive
>          Time Spent: 3h
>  Remaining Estimate: 0h
>
> {{SchedulerNG.requestJob}} returns an {{ExecutionGraphInfo}} that was introduced in FLINK-21188.
This {{ExecutionGraphInfo}} holds the information about the {{ArchivedExecutionGraph}} and
exception history information. Currently, it's a list of {{ErrorInfos}}. This might change
due to ongoing work in FLINK-21190 where we might introduced a wrapper class with more information
on the failure.
> The goal of this ticket is to implement the exception history for the {{AdaptiveScheduler}},
i.e. collecting the exceptions that caused restarts. This collection of failures should be
forwarded through {{SchedulerNG.requestJob}}.



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