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Posted to issues@beam.apache.org by "Neville Li (Jira)" <ji...@apache.org> on 2020/08/21 15:43:00 UTC

[jira] [Created] (BEAM-10787) External sorter 2048MB memory limit should be Hadoop only

Neville Li created BEAM-10787:
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             Summary: External sorter 2048MB memory limit should be Hadoop only
                 Key: BEAM-10787
                 URL: https://issues.apache.org/jira/browse/BEAM-10787
             Project: Beam
          Issue Type: Bug
          Components: extensions-java-sorter
    Affects Versions: 2.23.0
            Reporter: Neville Li
            Assignee: Neville Li


The 2048MB limit only applies when using Hadoop sequence file for external sort.
It doesn't apply when sorting is entirely in memory since we're using a {{List<KV<byte[], byte[]>>}} to buffer data and {{long}} to keep track of total bytes. Same with native external sorter.
https://github.com/apache/beam/pull/12659



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