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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5307) Log configuration for every reporter
Date Fri, 09 Dec 2016 12:46:59 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15735225#comment-15735225

ASF GitHub Bot commented on FLINK-5307:

GitHub user zentol opened a pull request:


    [FLINK-5307] [metrics] Log reporter configuration

    With this PR the configuration for every reporter will be logged. Twice.
    First, we log the `Properties` object that contains the configuration for each reporter
_before_ passing it to the reporter. This allows users to detect missing properties that are
result of types in the reporter name or preceding parts of the config key, i.e "metrics.reporter".
    This logs something like this:
    2016-12-09 13:40:50,287 INFO  org.apache.flink.metrics.runtime.MetricRegistry        
       - Configuring StatsDReporter with {port=8125, host=localhost, class=org.apache.flink.metrics.statsd.StatsDReporter}
    Second, we log in each reporter which properties were actually used from the configuration.
In conjunction with the above this allows users to detect typos in specific properties, by
checking which properties that were supposedly configured but not used in the end.
    This logs:
    2016-12-09 13:40:50,287 INFO  org.apache.flink.metrics.statsd.StatsDReporter         
      - Configured StatsDReporter with {host:localhost, port:8125}

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zentol/flink 5307_log_rep_config

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2979
commit 73e0eccae5e271eadd0831aefa14389cadecac8d
Author: zentol <chesnay@apache.org>
Date:   2016-12-09T12:25:11Z

    [FLINK-5307] [metrics] Log reporter configuration


> Log configuration for every reporter
> ------------------------------------
>                 Key: FLINK-5307
>                 URL: https://issues.apache.org/jira/browse/FLINK-5307
>             Project: Flink
>          Issue Type: Bug
>          Components: Metrics
>    Affects Versions: 1.2.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>             Fix For: 1.2.0
> Mandatory properties, like host names or ports, generally lead to exceptions if they
are wrongly configured. Optional properties however revert to default-values in case these
properties are not configured at all.
> Logging all configured properties will make it easier to find typos/missing optional
properties in the configuration.

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