[jira] [Created] (FLINK-25875) "StatsDReporter. FilterCharacters" for special processing of the characters are comprehensive enough

["赵富午 (Jira)" <ji...@apache.org>]

赵富午 created FLINK-25875:
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             Summary: "StatsDReporter. FilterCharacters" for special processing of the characters are comprehensive enough
                 Key: FLINK-25875
                 URL: https://issues.apache.org/jira/browse/FLINK-25875
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Metrics
    Affects Versions: 1.14.3
            Reporter: 赵富午
         Attachments: image-2022-01-29-11-55-20-400.png

I based on the 「org.Apache.Flink.Metrics.Statsd.StatsDReporter」 metrics collection, query and display and use 「Graphite」, I found some flink metrics cannot be queried to, after screening, I found the reason, These indicators cannot be parsed because they contain space characters. I further track source code, I found 「StatsDReporter.FilterCharacters」 function for the processing of special characters is not qualified, only to replace ":" character, for other special characters and didn't do a good replacement, such as a space character.

!image-2022-01-29-11-55-38-064.png!

[https://nightlies.apache.org/flink/flink-docs-master/docs/ops/metrics/#garbagecollection]

JVM "Garbagecollection" grouping, indicators have space characters, indicators cannot be used because indicators cannot be correctly parsed and stored in the database. 

 



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