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https://issues.apache.org/jira/browse/FLINK-2732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14956782#comment-14956782
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Sachin Goel commented on FLINK-2732:
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The idea is not to have any communication between task managers, which makes
recovery impossible without a centralized control at job manager.
Connecting the task manager to the outside world, i.e., the web frontend,
doesn't break any system guarantees or assumptions since allowing log file
access over network is not related to anything core to the runtime. Usually, it
is the job manager which serves information, which requires a dedicated blob
server. But in this case, the task manager is the one serving information, and
should be able to do that without involving the job manager in the loop.
Furthermore, it makes for a cleaner design and we can add a dedicated log
service handler to the web runtime which fetches logs and outputs from the job
manager and task manager in a similar fashion.
> Add access to the TaskManagers' log file and out file in the web dashboard.
> ---------------------------------------------------------------------------
>
> Key: FLINK-2732
> URL: https://issues.apache.org/jira/browse/FLINK-2732
> Project: Flink
> Issue Type: Sub-task
> Components: Webfrontend
> Affects Versions: 0.10
> Reporter: Stephan Ewen
> Assignee: Martin Liesenberg
> Fix For: 0.10
>
>
> Add access to the TaskManagers' log file and out file in the web dashboard.
> This needs addition on the server side, as the log files need to be
> transferred to the JobManager via the blob server.
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