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Posted to issues@spark.apache.org by "ant_nebula (JIRA)" <ji...@apache.org> on 2018/07/03 01:38:00 UTC

[jira] [Created] (SPARK-24727) The cache 100 in CodeGenerator is too small for streaming

ant_nebula created SPARK-24727:
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             Summary: The cache 100 in CodeGenerator is too small for streaming
                 Key: SPARK-24727
                 URL: https://issues.apache.org/jira/browse/SPARK-24727
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.3.1
            Reporter: ant_nebula


private val cache = CacheBuilder.newBuilder().maximumSize(100).build

 

  The cache 100 in org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator is too small for realtime streaming calculation, although is ok for realtime calculation. Because realtime streaming calculation is mostly more complex is one driver.

  I suggest spark support configging for user with default 100, such as spark.codegen.cache.

 



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