Hao Hao created KUDU-2254:
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Summary: Warn spark applications that create KuduContext in the
driver and share it with exectuors
Key: KUDU-2254
URL: https://issues.apache.org/jira/browse/KUDU-2254
Project: Kudu
Issue Type: Improvement
Components: spark
Affects Versions: 1.5.0
Reporter: Hao Hao
Since KuduContext carries a bunch of information for client connection, such as
authentication token, KuduContext should be created in the driver and shared
with executors.
Even if we have put comments for KuduContext class
(https://github.com/apache/kudu/blob/master/java/kudu-spark/src/main/scala/org/apache/kudu/spark/kudu/KuduContext.scala#L43),
it would be great to provide a way to warn users (e.g Logging) about such
behavior since this kind of issues are very subtle to detect.
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