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Posted to issues@kudu.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2018/03/20 03:31:00 UTC

[jira] [Created] (KUDU-2358) ~600MB of untracked string memory

Todd Lipcon created KUDU-2358:
---------------------------------

             Summary: ~600MB of untracked string memory
                 Key: KUDU-2358
                 URL: https://issues.apache.org/jira/browse/KUDU-2358
             Project: Kudu
          Issue Type: Improvement
          Components: tserver
    Affects Versions: 1.8.0
            Reporter: Todd Lipcon


Looking at a heap dump of a tserver which has 1.6G of tracked memory, there is about 800MB of apparently-untracked memory held in std::string objects. Since libstdcxx doesn't have frame pointers, tcmalloc profiling isn't telling the stack trace responsible here, but merits further investigation (probably using a custom-built libstdcxx with frame pointers)



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