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Posted to issues@livy.apache.org by "mrpencil (Jira)" <ji...@apache.org> on 2020/12/01 00:06:00 UTC

[jira] [Created] (LIVY-800) Livy does not release resources, resulting in the number of file handles exceeding

mrpencil created LIVY-800:
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             Summary: Livy does not release resources, resulting in the number of file handles exceeding
                 Key: LIVY-800
                 URL: https://issues.apache.org/jira/browse/LIVY-800
             Project: Livy
          Issue Type: Bug
          Components: Server
    Affects Versions: 0.5.0
         Environment: Redhat_7.4 8memories,4cores
            Reporter: mrpencil
             Fix For: 0.5.0
         Attachments: 1.jpg, 2.jpg

Livy does not release resources, resulting in the number of file handles exceeding. Please see the attached picture.

Error content: *too many open files.*

This will cause an error to be reported after Livy has been running for a period of time, and the session can no longer be created.

 

*Another problem is* that on my 8g memory, 4-core RedHat server, I tried many parameter combinations, and finally found that I can only run 18 sessions at the same time. Exceeding this value will cause more than half of the sessions to die. Is there any way to increase the concurrency value?

 



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