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https://issues.apache.org/jira/browse/HIVE-16455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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hezhang updated HIVE-16455:
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Comment: was deleted
(was: [~wanghaihua] hi )
> ADD JAR command leaks JAR Files
> -------------------------------
>
> Key: HIVE-16455
> URL: https://issues.apache.org/jira/browse/HIVE-16455
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Priority: Major
> Attachments: HIVE-16455.1.patch
>
>
> HiveServer2 is leaking file handles when using ADD JAR statement and the JAR
> file added is not used in the query itself.
> {noformat}
> beeline> !connect jdbc:hive2://localhost:10000 admin
> 0: jdbc:hive2://localhost:10000> create table test_leak (a int);
> 0: jdbc:hive2://localhost:10000> insert into test_leak Values (1);
> -- Exit beeline terminal; Find PID of HiveServer2
> [root@host-10-17-80-111 ~]# lsof -p 29588 | grep "(deleted)" | wc -l
> 0
> [root@host-10-17-80-111 ~]# beeline -u jdbc:hive2://localhost:10000/default
> -n admin
> And run the command "ADD JAR hdfs:///tmp/hive-contrib.jar; select * from
> test_leak"
> [root@host-10-17-80-111 ~]# lsof -p 29588 | grep "(deleted)" | wc -l
> 1
> java 29588 hive 391u REG 252,3 125987 2099944
> /tmp/57d98f5b-1e53-44e2-876b-6b4323ac24db_resources/hive-contrib.jar (deleted)
> java 29588 hive 392u REG 252,3 125987 2099946
> /tmp/eb3184ad-7f15-4a77-a10d-87717ae634d1_resources/hive-contrib.jar (deleted)
> java 29588 hive 393r REG 252,3 125987 2099825
> /tmp/e29dccfc-5708-4254-addb-7a8988fc0500_resources/hive-contrib.jar (deleted)
> java 29588 hive 394r REG 252,3 125987 2099833
> /tmp/5153dd4a-a606-4f53-b02c-d606e7e56985_resources/hive-contrib.jar (deleted)
> java 29588 hive 395r REG 252,3 125987 2099827
> /tmp/ff3cdb05-917f-43c0-830a-b293bf397a23_resources/hive-contrib.jar (deleted)
> java 29588 hive 396r REG 252,3 125987 2099822
> /tmp/60531b66-5985-421e-8eb5-eeac31fdf964_resources/hive-contrib.jar (deleted)
> java 29588 hive 397r REG 252,3 125987 2099831
> /tmp/78878921-455c-438c-9735-447566ed8381_resources/hive-contrib.jar (deleted)
> java 29588 hive 399r REG 252,3 125987 2099835
> /tmp/0e5d7990-30cc-4248-9058-587f7f1ff211_resources/hive-contrib.jar (deleted)
> {noformat}
> You can see the the session directory (and therefore anything in it) is set
> to delete only on exit.
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