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Posted to issues@kylin.apache.org by "Liu Shaohui (JIRA)" <ji...@apache.org> on 2019/07/18 10:55:00 UTC

[jira] [Created] (KYLIN-4097) Throw exception when too many dict slice eviction in AppendTrieDictionary

Liu Shaohui created KYLIN-4097:
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             Summary: Throw exception when too many dict slice eviction in AppendTrieDictionary
                 Key: KYLIN-4097
                 URL: https://issues.apache.org/jira/browse/KYLIN-4097
             Project: Kylin
          Issue Type: Improvement
            Reporter: Liu Shaohui
            Assignee: Liu Shaohui


When the global dict is too large than the spark executor memory, there will be too many dict slice evictions and loads in AppendTrieDictionary, and  the build job will be very slow.

It's better to throw an exception in advance in this case.

 



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