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https://issues.apache.org/jira/browse/HIVE-10453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yongzhi Chen updated HIVE-10453:
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Attachment: HIVE-10453.2.patch
> 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
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> 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}
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