Saisai Shao created SPARK-4671:
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Summary: Streaming block need not to replicate 2 copies when WAL
is enabled
Key: SPARK-4671
URL: https://issues.apache.org/jira/browse/SPARK-4671
Project: Spark
Issue Type: Bug
Components: Streaming
Affects Versions: 1.2.0
Reporter: Saisai Shao
Generated streaming blocks should not be replicated to another node when WAL is
enabled, since WAL is already fault tolerant, this will hurt the throughput of
streaming application.
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