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Vaibhav Gumashta commented on HIVE-10453: ----------------------------------------- This is a good candidate for 1.2.1. I'll commit it to the branch as well. Thanks [~ychena] and [~szehon] for getting this in. > HS2 leaking open file descriptors when using UDFs > ------------------------------------------------- > > Key: HIVE-10453 > URL: https://issues.apache.org/jira/browse/HIVE-10453 > Project: Hive > Issue Type: Bug > Components: UDF > Reporter: Yongzhi Chen > Assignee: Yongzhi Chen > Fix For: 1.3.0, 2.0.0 > > Attachments: HIVE-10453.1.patch, HIVE-10453.2.patch > > > 1. create a custom function by > CREATE FUNCTION myfunc AS 'someudfclass' using jar 'hdfs:///tmp/myudf.jar'; > 2. Create a simple jdbc client, just do > connect, > run simple query which using the function such as: > select myfunc(col1) from sometable > 3. Disconnect. > Check open file for HiveServer2 by: > lsof -p HSProcID | grep myudf.jar > You will see the leak as: > {noformat} > java 28718 ychen txt REG 1,4 741 212977666 > /private/var/folders/6p/7_njf13d6h144wldzbbsfpz80000gp/T/1bfe3de0-ac63-4eba-a725-6a9840f1f8d5_resources/myudf.jar > java 28718 ychen 330r REG 1,4 741 212977666 > /private/var/folders/6p/7_njf13d6h144wldzbbsfpz80000gp/T/1bfe3de0-ac63-4eba-a725-6a9840f1f8d5_resources/myudf.jar > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)