[jira] [Created] (FLINK-19798) Support creating hive table input splits in parallel

[Shang Yuanchun (Jira)]

Zou created FLINK-19798:
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             Summary: Support creating hive table input splits in parallel
                 Key: FLINK-19798
                 URL: https://issues.apache.org/jira/browse/FLINK-19798
             Project: Flink
          Issue Type: Improvement
            Reporter: Zou


For now, we could only creating hive table input splits serially.  
HiveTableInputFormat::createInputSplits cost 40s~60s for a table with 1500 partition in my tests. IMO, we could support creating splits in parallel, which will save most of the time to do this.





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