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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19645) Add global barrier for offheap usage
Date Wed, 27 Dec 2017 16:34:00 GMT
stack created HBASE-19645:
-----------------------------

             Summary: Add global barrier for offheap usage
                 Key: HBASE-19645
                 URL: https://issues.apache.org/jira/browse/HBASE-19645
             Project: HBase
          Issue Type: Task
            Reporter: stack


See discussion at the end of HBASE-16747. In synopsis, we do not have a global limit for offheap
usage; we do no global accounting. There are the offheap buffers, short-circuit read buffers,
offheap memstores, etc. Ideally, as for onheap, when we approach threshold, we'd bring on
flushing to clear out offheap usage or make use of onheap. TODO.



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