[jira] [Created] (GEODE-5725) Many WAN DUnit tests with off-heap enabled aren't actually exercising off-heap

["Ryan McMahon (JIRA)" <ji...@apache.org>]

Ryan McMahon created GEODE-5725:
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             Summary: Many WAN DUnit tests with off-heap enabled aren't actually exercising off-heap
                 Key: GEODE-5725
                 URL: https://issues.apache.org/jira/browse/GEODE-5725
             Project: Geode
          Issue Type: Bug
          Components: offheap, wan
            Reporter: Ryan McMahon
             Fix For: 1.8.0


Many of the WAN DUnit tests are run with both off-heap disabled and enabled.  However, there is an optimization in the off-heap implementation where if the entry value is less than 8-bytes, off-heap is bypassed and the value is put on the heap.  This is due to the value being equal to or less than the size of the off-heap address that would have been used.  It is therefore pointless to use off-heap if the value itself is less than the size of the address.

In many WAN tests we are using longs as values, which will bypass off-heap in this way.  However, it is expected that off-heap is being exercised.  We should instead use another data type (strings) as values to be sure that the off-heap feature is actually being exercised.



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