hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HIVE-13600) LLAP: Web service selector channel thread is getting completely blocked
Date Sun, 24 Apr 2016 05:50:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasanth Jayachandran resolved HIVE-13600.
------------------------------------------
    Resolution: Invalid

Actually this is invalid. After further investigation it looks like most of the tasks are
blocked on synchronous logging. 

> LLAP: Web service selector channel thread is getting completely blocked
> -----------------------------------------------------------------------
>
>                 Key: HIVE-13600
>                 URL: https://issues.apache.org/jira/browse/HIVE-13600
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.1.0
>            Reporter: Prasanth Jayachandran
>         Attachments: Screen Shot 2016-04-24 at 12.27.55 AM.png
>
>
> With pre-emption enabled, 4 executors and with wait queue size of 8. Repeatedly running
tcpds queries 27 and 5 on scale 2 resulted in deadlock. 
> Not sure about the cause yet or if this is the real cause. Yourkit profile shows llap
web selector channel thread being blocked. See attached image.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message