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Posted to dev@hive.apache.org by "Aihua Xu (JIRA)" <ji...@apache.org> on 2017/04/14 20:23:41 UTC
[jira] [Created] (HIVE-16455) ADD JAR command leaks JAR Files
Aihua Xu created HIVE-16455:
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Summary: 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
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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