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From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-20834) Hive QueryResultCache entries keeping reference to SemanticAnalyzer from cached query
Date Mon, 29 Oct 2018 23:50:00 GMT
Jason Dere created HIVE-20834:
---------------------------------

             Summary: Hive QueryResultCache entries keeping reference to SemanticAnalyzer
from cached query
                 Key: HIVE-20834
                 URL: https://issues.apache.org/jira/browse/HIVE-20834
             Project: Hive
          Issue Type: Bug
            Reporter: Jason Dere
            Assignee: Jason Dere


QueryResultCache.LookupInfo ends up keeping a reference to the SemanticAnalyzer from the cached
query, for as long as the cached entry is in the cache. We should not be keeping the SemanticAnalyzer
around after the query is done executing since they can hold on to quite a bit of memory.



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