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From "Shubham Chaurasia (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20979) Fix memory leak in hive streaming
Date Wed, 28 Nov 2018 16:11:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shubham Chaurasia updated HIVE-20979:
-------------------------------------
    Attachment: HIVE-20979.2.patch

> Fix memory leak in hive streaming
> ---------------------------------
>
>                 Key: HIVE-20979
>                 URL: https://issues.apache.org/jira/browse/HIVE-20979
>             Project: Hive
>          Issue Type: Bug
>          Components: Streaming
>    Affects Versions: 3.1.1
>            Reporter: Shubham Chaurasia
>            Assignee: Shubham Chaurasia
>            Priority: Critical
>              Labels: pull-request-available
>         Attachments: HIVE-20979.1.patch, HIVE-20979.1.patch, HIVE-20979.2.patch
>
>
> {{1) HiveStreamingConnection.Builder#init() adds a shutdown hook handler via }}{{ShutdownHookManager.addShutdownHook
but it is never removed which causes all the handlers to accumulate and hence a memory leak.}}
> 2) AbstractRecordWriter creates an instance of FileSystem but does not close it which
in turn causes a leak due to accumulation in FileSystem$Cache#map
>  



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