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https://issues.apache.org/jira/browse/FLINK-4206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15374641#comment-15374641
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ASF GitHub Bot commented on FLINK-4206:
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GitHub user zentol opened a pull request:
https://github.com/apache/flink/pull/2237
[FLINK-4206][metrics] Remove alphanumeric name restriction
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zentol/flink 4206_me_so_special
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2237.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2237
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commit 9f72ac66d748fe1aab1ee382c33d55ab5dc717fe
Author: zentol <ches...@apache.org>
Date: 2016-07-13T09:03:08Z
[FLINK-4206][metrics] Remove alphanumeric name restriction
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> Metric names should allow special characters
> --------------------------------------------
>
> Key: FLINK-4206
> URL: https://issues.apache.org/jira/browse/FLINK-4206
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Affects Versions: 1.1.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Fix For: 1.1.0
>
>
> Currently, the name of the metric is restricted to alphanumeric characters.
> This restriction was originally put in place to circumvent issues due to
> systems not supporting certain characters.
> However, this restriction does not make a lot of sense since for group names
> we don't enforce such a restriction.
> This also affects the integration of the Kafka metrics, so i suggest removing
> the restriction.
> From now on it will be the responsibility of the reporter to make sure that
> the metric identifier is supported by the external system.
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