Michael McCandless created LUCENE-5724:
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Summary: CompoundFileWriter loses the IOContext sometimes
Key: LUCENE-5724
URL: https://issues.apache.org/jira/browse/LUCENE-5724
Project: Lucene - Core
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 4.9, 5.0
Nightly build hit OOME with this
{noformat}
ant test -Dtestcase=Test2BPostings -Dtests.method=test
-Dtests.seed=33378E77AE43B10B -Dtests.multiplier=2 -Dtests.nightly=true
-Dtests.slow=true
-Dtests.linedocsfile=/home/hudson/lucene-data/enwiki.random.lines.txt
-Dtests.locale=sl -Dtests.timezone=America/Argentina/ComodRivadavia
-Dtests.file.encoding=UTF-8
{noformat}
The test was using NRTCachingDirectory, but the OOME happens because
CompoundFileWriter's getOutput fails to pass down the incoming IOContext.
IndexWriter has properly set up the IOContext for flush, put a huge file size
in there, but by the time NRTCachingDirectory saw it, it was 0 bytes, and then
many 100s of MB proceeded to be written into the RAMFile.
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