[HIVE-15322] Skipping "hbase mapredcp" in hive script for certain services - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 1.3.0, 2.2.0
Component/s: None
Labels:
None

Target Version/s:

1.3.0, 2.2.0
Hadoop Flags:

Reviewed

Description

"hbase mapredcp" is intended to append hbase classpath to hive. However, the command can take some time when the system is heavy loaded. In some extreme cases, we saw ~20s delay due to it. For certain commands, such as "schemaTool", hbase classpath is certainly useless, and we can safely skip invoking it.