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Posted to dev@hive.apache.org by "Yongzhi Chen (JIRA)" <ji...@apache.org> on 2015/04/23 02:54:38 UTC
[jira] [Created] (HIVE-10453) HS2 leaking open file descriptors
when using UDFs
Yongzhi Chen created HIVE-10453:
-----------------------------------
Summary: 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
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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