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Posted to issues@drill.apache.org by "Christian Pfarr (Jira)" <ji...@apache.org> on 2021/12/15 16:16:00 UTC

[jira] [Created] (DRILL-8077) Thousand of CLOSE_WAIT connections to HDFS Datanode

Christian Pfarr created DRILL-8077:
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             Summary: Thousand of CLOSE_WAIT connections to HDFS Datanode 
                 Key: DRILL-8077
                 URL: https://issues.apache.org/jira/browse/DRILL-8077
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Other
    Affects Versions: 1.16.0
            Reporter: Christian Pfarr


In IPv6 environments after a while drill has a lot of connections to HDFS Datanode in CLOSE_WAIT state.

To fix this we add '-Djava.net.preferIPv4Stack=true -Djava.net.preferIPv6Addresses=false' to our drill configuration and the problem vanished.



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