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From "Attila Magyar (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-22514) HiveProtoLoggingHook might consume lots of memory
Date Wed, 20 Nov 2019 12:16:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Attila Magyar updated HIVE-22514:
---------------------------------
    Status: Patch Available  (was: Open)

> HiveProtoLoggingHook might consume lots of memory
> -------------------------------------------------
>
>                 Key: HIVE-22514
>                 URL: https://issues.apache.org/jira/browse/HIVE-22514
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 4.0.0
>            Reporter: Attila Magyar
>            Assignee: Attila Magyar
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-22514.1.patch, Screen Shot 2019-11-18 at 2.19.24 PM.png
>
>
> HiveProtoLoggingHook uses a ScheduledThreadPoolExecutor to submit writer tasks and to
periodically handle rollover. The builtin ScheduledThreadPoolExecutor uses a unbounded queue
which cannot be replaced from the outside. If log events are generated at a very fast rate
this queue can grow large.
> !Screen Shot 2019-11-18 at 2.19.24 PM.png|width=650,height=101!



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