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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4563) [metrics] scope caching not adjusted for multiple reporters
Date Wed, 09 Nov 2016 07:48:59 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15650103#comment-15650103

ASF GitHub Bot commented on FLINK-4563:

Github user ex00 commented on the issue:

    Is last changes correct?

> [metrics] scope caching not adjusted for multiple reporters
> -----------------------------------------------------------
>                 Key: FLINK-4563
>                 URL: https://issues.apache.org/jira/browse/FLINK-4563
>             Project: Flink
>          Issue Type: Bug
>          Components: Metrics
>    Affects Versions: 1.1.0
>            Reporter: Chesnay Schepler
>            Assignee: Anton Mushin
> Every metric group contains a scope string, representing what entities (job/task/etc.)
a given metric belongs to, which is calculated on demand. 
> Before this string is cached a CharacterFilter is applied to it, which is provided by
the callee, usually a reporter. This was done since different reporters have different requirements
in regards to valid characters. The filtered string is cached so that we don't have to refilter
the string every time.
> This all works fine with a single reporter; with multiple however it is completely broken
as only the first filter is ever applied.

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