[KYLIN-4225] unclosed hive session cause too many temp file

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v2.6.5, v3.1.0, v3.0.1
• Assignee: ZhouKang
• Reporter: ZhouKang
• Created: 30/Oct/19 01:38
• Updated: 31/Jul/20 12:08
• Resolved: 17/Dec/19 08:37

Description

in org.apache.kylin.metrics.lib.impl.hive.HiveProducer, when need add a new partition to metrics data, a SessionState will be started , and unclosed after use.

which cause many temp dir in HDFS ({hadoop.tmp.dir}/tmp/hive/xxx).

I think the session should be stoped manually

Issue Links

• links to: GitHub Pull Request #909