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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2018/11/14 10:33:32 UTC

[GitHub] zentol opened a new pull request #7095: [FLINK-10867][metrics] Cache logical scopes separately for each reporter

zentol opened a new pull request #7095: [FLINK-10867][metrics] Cache logical scopes separately for each reporter
URL: https://github.com/apache/flink/pull/7095
 
 
   ## What is the purpose of the change
   
   This PR fixes an issue in the metric system where the logical scope was not cached separately for each reporter. As a result other reporters might access logical scopes for which the wrong filter and/or delimiter was used.
   
   ## Brief change log
   
   * cache logicalScopeStrings separately each reporter
   * modify `FrontMetricGroup` to inject reporterIndex when computing logical scope
   
   ## Verifying this change
   
   This change added tests and can be verified as follows:
   * run `AbstractMetricGroupTest#testLogicalScopeCachingForMultipleReporters`
   

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