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Posted to issues@kudu.apache.org by "Mike Percy (JIRA)" <ji...@apache.org> on 2016/11/29 12:29:58 UTC

[jira] [Created] (KUDU-1767) Reordering of client operations from the same KuduSession is possible

Mike Percy created KUDU-1767:
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             Summary: Reordering of client operations from the same KuduSession is possible
                 Key: KUDU-1767
                 URL: https://issues.apache.org/jira/browse/KUDU-1767
             Project: Kudu
          Issue Type: Bug
          Components: client, tablet
    Affects Versions: 1.1.0
            Reporter: Mike Percy
            Priority: Critical


It is possible for client operations written via the same KuduSession to be reordered on the server side in MANUAL_FLUSH and AUTO_BACKGROUND_FLUSH modes. This violates our desired consistency guarantees.

This may occur because we allow concurrent flushes from the client for throughput reasons and there is nothing enforcing the well-ordering of lock acquisition from a single client session on the server side.



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