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Posted to issues@kylin.apache.org by "hongbin ma (JIRA)" <ji...@apache.org> on 2017/11/02 02:31:00 UTC

[jira] [Created] (KYLIN-2985) Cache temp json file created by each Calcite Connection

hongbin ma created KYLIN-2985:
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             Summary: Cache temp json file created by each Calcite Connection
                 Key: KYLIN-2985
                 URL: https://issues.apache.org/jira/browse/KYLIN-2985
             Project: Kylin
          Issue Type: Improvement
            Reporter: hongbin ma
            Priority: Normal


In org.apache.kylin.query.schema.OLAPSchemaFactory, each caclite connection will hold a temp file in JVM. The total number of temp files could accumulate very large. A simple cache could address the problem



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