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https://issues.apache.org/jira/browse/FLINK-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14335468#comment-14335468
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Stephan Ewen commented on FLINK-1580:
-------------------------------------
Partially solved in ed8b26bf2e8dd7c187c24ad0d8ff3e67f6a7478c
> Cleanup TaskManager initialization logic
> ----------------------------------------
>
> Key: FLINK-1580
> URL: https://issues.apache.org/jira/browse/FLINK-1580
> Project: Flink
> Issue Type: Bug
> Reporter: Till Rohrmann
>
> Currently, the TaskManager initializes many heavy load objects upon
> registration at the JobManager. If an exception occurs during the
> initialization it takes quite long until the {{JobManager}} detects the
> {{TaskManager}} failure.
> Therefore, it would be better if we could rearrange the initialization logic
> so that the {{TaskManager}} only registers at the {{JobManager}} if the all
> objects could be initialized successfully. Moreover, it would be worthwhile
> to move some of the initialization work out of the {{TaskManager}}.
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