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Posted to dev@ignite.apache.org by "Andrew Mashenkov (JIRA)" <ji...@apache.org> on 2017/01/20 09:33:26 UTC

[jira] [Created] (IGNITE-4578) SQL: Statement cache can cause memory leak

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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