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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4733) Port WebFrontend to new metric system
Date Fri, 28 Oct 2016 08:39:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15614772#comment-15614772

ASF GitHub Bot commented on FLINK-4733:

Github user zentol commented on the issue:

    The `CoordinatorShutdownTest` can't be fixed with a cast. This test assumes that the actual
ExecutionGraph is still available when a job is finished since it tries to access the CheckpointCoordinator
within. This however no longer works; finished jobs are immediately archived, and the archived
version does not contain the CheckpointCoordinator.
    A possible fix is to not let the job fail immediately but block him, ask for the ExecutionGraph
while being blocked (which, since the job is still running actually returns the runtime ExecutionGraph)
and store the reference, and then let the job fail.

> Port WebFrontend to new metric system
> -------------------------------------
>                 Key: FLINK-4733
>                 URL: https://issues.apache.org/jira/browse/FLINK-4733
>             Project: Flink
>          Issue Type: Improvement
>          Components: Metrics, TaskManager, Webfrontend
>    Affects Versions: 1.1.2
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>             Fix For: 1.2.0
> While the WebFrontend has access to the metric system it still relies on older code in
some parts.
> The TaskManager metrics are still gathered using the Codahale library and send with the
> Task related metrics (numRecordsIn etc) are still gathered using accumulators, which
are accessed through the execution graph.

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