[jira] [Updated] (AMBARI-17776) HiveServer interactive stop should wait for 30 second before sending kill -9

["Ajit Kumar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-17776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ajit Kumar updated AMBARI-17776:
--------------------------------
    Attachment: rb50159.patch

> HiveServer interactive stop should wait for 30 second before sending kill -9
> ----------------------------------------------------------------------------
>
>                 Key: AMBARI-17776
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17776
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Ajit Kumar
>            Assignee: Ajit Kumar
>             Fix For: 2.4.0
>
>         Attachments: rb50159.patch
>
>
> Currently when stopping Hive server interactive, the following steps seem to be taken.
> 1. Send kill to hive server interactive process
> 2. Wait for 5 seconds and send kill -9 if process in not killed.
> If HS2 is not shutdown properly - long running sessions (AMs) started by it will not be killed. In case of LLAP - these sessions will typically run for hours. Without the kill - LLAP cannot be restarted, since the old sessions will exist in the LLAP queue, and due to the precise capacity calculations - the queue will not have enough capacity to start new sessions.
> Ideally it should wait for 30 second before sending kill -9



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