Shai Erera created LUCENE-4990:
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Summary: Improve MockDirectoryWrapper.sync
Key: LUCENE-4990
URL: https://issues.apache.org/jira/browse/LUCENE-4990
Project: Lucene - Core
Issue Type: Improvement
Components: modules/test-framework
Reporter: Shai Erera
Assignee: Shai Erera
Priority: Minor
Currently MockDirWrapper always calls delegate.sync() with a comment that we
can relax this to not wear out the hardware for tests. The issue, as discussed
on this thread http://lucene.markmail.org/thread/eozdsbdahzhjvizj, is related
to NRTCachingDirectory and RateLimiter. The improvements I'd like to make under
this issue are:
* Call delgeate.sync() if:
** rarely()
** delegate is NRTCachingDir
** delegate is RateLimitedDirWrapper and its delegate is NRTCachingDir
** delegate is TrackingDirWrapper and its delegate is NRTCachingDir
* Also, today the method either fails to sync all files or succeeds. Rather, we
can improve this to randomly throw IOE on each file.
Any other Directories that can cause issues when sync() isn't called?
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