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From "Andrew Mashenkov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-4578) SQL: Statement cache can cause memory leak
Date Fri, 20 Jan 2017 09:33:26 GMT
Andrew Mashenkov created IGNITE-4578:
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             Summary: SQL: Statement cache can cause memory leak
                 Key: IGNITE-4578
                 URL: https://issues.apache.org/jira/browse/IGNITE-4578
             Project: Ignite
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.8
            Reporter: Andrew Mashenkov


We have prepared statement cache in IgniteH2Indexing declared as Map<Thread, StatementCache>.
This can cause memory leak if threads will die unexpetedly.

We should declare StatementCache as ThreadLocal field along with separate thread pool for
SQL queries, see IGNITE-4105.



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