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  1. Flink
  2. FLINK-27133

Performance regression in serializerHeavyString

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      http://codespeed.dak8s.net:8000/timeline/#/?exe=1&ben=serializerHeavyString&extr=on&quarts=on&equid=off&env=2&revs=200

      Suspected range: 5f21d15a09..caa296b813

      caa296b813b [8 days ago] [FLINK-26957][runtime] Adds invariant to LocalDataOutputStream to verify that no operation is allowed on a closed stream [Matthias Pohl]
      c50b0706237 [8 days ago] [FLINK-26957][runtime] Removes flush in FileSystemJobResultStore [Matthias Pohl]
      098dc7eca31 [7 days ago] [hotfix] Fixes error in JavaDoc [Matthias Pohl]
      116f297478f [7 days ago] [hotfix] Fixes typo in NonClosingOutputStreamDecorator [Matthias Pohl]
      74ecbd13cf8 [7 days ago] [hotfix][runtime] Adds write method for consistency reasons [Matthias Pohl]
      e031f82528b [5 days ago] [hotfix] Modify spelling error in IOUtils.java [lidefu]
      a5a31de5b30 [4 days ago] [FLINK-26368] [kafka] Add setProperty method to KafkaSinkBuilder [Gyula Fora]
      b9c874edae8 [4 days ago] [hotfix][metrics][docs] Update documentation [Chesnay Schepler]
      3416b6440ac [6 days ago] [FLINK-27027][ci] Add default log file suffix [Chesnay Schepler]
      0d105ac910d [6 days ago] [FLINK-27027][ci] Prevent creation of empty log files [Chesnay Schepler]
      7ad47230f22 [4 days ago] [FLINK-27026][build] Upgrade checkstyle plugin [Chesnay Schepler]
      db8522cfddb [4 days ago] [FLINK-27034][gcp][tests] Use testcontainers [Chesnay Schepler]
      0097b5a6fae [3 weeks ago] [FLINK-26712][table-planner] Metadata keys should not conflict with physical columns [Timo Walther]
      26aa543b3bb [3 months ago] [FLINK-25907][runtime][security] Add pluggable delegation token manager [gabor.g.somogyi]
      cda343349f5 [7 days ago] [FLINK-26987][runtime] Fixes getAllAndLock livelock [Matthias Pohl]
      

      I've run a benchmark request before FLINK-26957 and it suggests that it is indeed the cause for this regression:
      http://codespeed.dak8s.net:8080/job/flink-benchmark-request/77/artifact/jmh-result.csv/*view*/

      CC mapohl

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              mapohl Matthias Pohl
              pnowojski Piotr Nowojski
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