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From milleruntime <...@git.apache.org>
Subject [GitHub] accumulo issue #159: ACCUMULO-1280: many changes for closing iterators
Date Fri, 18 Nov 2016 20:07:32 GMT
Github user milleruntime commented on the issue:

    https://github.com/apache/accumulo/pull/159
  
    I ran WriteAheadLogIT by itself and it passed. It looks like my VM just ran out of disk
space.
    
    During the BigRootTabletIT... the RFile is being closed by SSI during switchSource.  Here's
my debug exception stacktrace:
    ```
            at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.close(RFile.java:714)
            at org.apache.accumulo.core.file.rfile.RFile$Reader.closeLocalityGroupReaders(RFile.java:1173)
            at org.apache.accumulo.core.file.rfile.RFile$Reader.close(RFile.java:1194)
            at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.switchSource(SourceSwitchingIterator.java:167)
    ```
    This looks like the same issue in LargeRowIT.
    @keith-turner I think this proves your concerns about closing RFiles that are reused.
Sadly, the SSI seemed like one of the system Iterators that could benefit from this change.



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