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Posted to issues@hbase.apache.org by "Mark Robert Miller (Jira)" <ji...@apache.org> on 2020/02/04 17:03:00 UTC

[jira] [Created] (HBASE-23794) Consider setting -XX:MaxDirectMemorySize in the root Maven pom.xml file.

Mark Robert Miller created HBASE-23794:
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             Summary: Consider setting -XX:MaxDirectMemorySize in the root Maven pom.xml file.
                 Key: HBASE-23794
                 URL: https://issues.apache.org/jira/browse/HBASE-23794
             Project: HBase
          Issue Type: Test
            Reporter: Mark Robert Miller


-XX:MaxDirectMemorySize is an artificial governor on how much off heap memory can be allocated.

It would be nice to specify explicitly because:
 # The default can vary by platform / jvm impl - some devs may see random fails
 # It's just a limiter, it won't pre allocate or anything
 # A test env should normally ensure a healthy limit as would be done in production



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