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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13158) HiveServer should pick AMs which are already ready from the pool
Date Sat, 25 Mar 2017 20:19:42 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-13158:
-----------------------------------
    Target Version/s: 3.0.0  (was: 2.2.0)

> HiveServer should pick AMs which are already ready from the pool
> ----------------------------------------------------------------
>
>                 Key: HIVE-13158
>                 URL: https://issues.apache.org/jira/browse/HIVE-13158
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>
> Scenario. Start HiveServer2 with 3 sessions. At startup there's capacity for this.
> All 3 sessions time out.
> There's capacity for one session only.
> The first query submitted will start a session and use it.
> The second query submitted (after the first one is submitted) ends up trying to launch
a new session as well - instead of using the existing free session. Since there's no capacity,
this ends up blocking.



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