zhaolun7 created HIVE-24283:
-------------------------------

             Summary: Memory leak problem of hiveserver2 when compiling in 
parallel
                 Key: HIVE-24283
                 URL: https://issues.apache.org/jira/browse/HIVE-24283
             Project: Hive
          Issue Type: Bug
          Components: HiveServer2, JDBC
    Affects Versions: 2.3.7
         Environment: CentOS 7.2

openjdk 8

Hadoop 2.9.2

Hive 2.3.7
            Reporter: zhaolun7
             Fix For: 2.3.7
         Attachments: image-2020-10-18-22-25-44-271.png, 
image-2020-10-18-22-26-20-436.png

I used JDBC to connect to HIVESERVER2 and got about 25,000 SQL statements as 
test data from the production environment to test parallel compilation. Then 
save the memory snapshot of hiveserver2. Then run the test again and save the 
memory snapshot. I found that the memory occupied became larger and the second 
time running was more slower.

 

This is the first time I have submitted an issue. If there is any incomplete 
description, please point it out. If the format of the issue is incorrect, 
please help me modify it, thank you

 

!image-2020-10-18-22-26-20-436.png!

!image-2020-10-18-22-25-44-271.png!

 
 



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