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  1. Beam
  2. BEAM-12220

ZipFiles.zipDirectory leaks native JVM memory

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      Noticed this in a long-running JVM process starting multiple Dataflow pipelines. Heap usage slowly rose as observed by jcmd <pid> VM.native_memory summary.diff, but a heap dump did not show a consistent amount of usage.

      Followed this guide for identify native memory leaks, which pointed me to java.util.ZipFile.

      We use it in runners.core-construction.PipelineResources via sdk.util.ZipFiles

      Closing the ZipOutputStream here seems to alleviate the issue.

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            • Assignee:
              bhulette Brian Hulette
              Reporter:
              bhulette Brian Hulette
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