Chengxiang Li created HIVE-7643:
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Summary: ExecMapper statis states lead to unpredictable query
result.[Spark Branch]
Key: HIVE-7643
URL: https://issues.apache.org/jira/browse/HIVE-7643
Project: Hive
Issue Type: Bug
Components: Spark
Reporter: Chengxiang Li
Assignee: Chengxiang Li
ExecMapper contain static states, static variable "done" for example. Spark
executor may execute multi tasks concurrently, ExecMapper static state updated
by one task would influence the logic of another task, which may lead to
unpredictable result.
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