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Review request for hive, Deepak Jaiswal and Gopal V. Bugs: HIVE-19127 https://issues.apache.org/jira/browse/HIVE-19127 Repository: hive-git Description ------- - Take a lock on the cache entry when in the process of setting the cache entry from PENDING state to VALID state, so that other threads cannot invalidate the entry - The write lock on the cache was not being taken when removing an entry from the cache. - synchronize access when iterating through the lru keyset Diffs ----- ql/src/java/org/apache/hadoop/hive/ql/cache/results/QueryResultsCache.java ac5ae573d6 Diff: https://reviews.apache.org/r/66486/diff/1/ Testing ------- Thanks, Jason Dere