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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HORN-16) Scalability test on fully distributed environment
Date Thu, 28 Apr 2016 02:40:12 GMT

    [ https://issues.apache.org/jira/browse/HORN-16?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15261439#comment-15261439
] 

Edward J. Yoon commented on HORN-16:
------------------------------------

It often hangs with following logs. It looks like a shutdown race condition.

{code}
16/04/28 11:34:58 INFO core.ParameterMergerServer: Start merging: 98
16/04/28 11:34:58 INFO core.ParameterMergerServer: Start merging: 99
16/04/28 11:34:58 INFO ipc.Server: Stopping server on 40089
16/04/28 11:34:58 WARN ipc.Server: IPC Server Responder, call merge(org.apache.horn.core.ParameterMessage@3a9a090c)
from 10.0.2.15:45377: output error
16/04/28 11:34:58 INFO ipc.Server: Stopping IPC Server listener on 40089
16/04/28 11:34:58 INFO ipc.Server: Stopping IPC Server Responder
16/04/28 11:34:58 INFO ipc.Server: IPC Server handler 0 on 40089 caught: java.nio.channels.ClosedByInterruptException
	at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:202)
	at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:478)
	at org.apache.hama.ipc.Server.channelWrite(Server.java:1505)
	at org.apache.hama.ipc.Server.access$2000(Server.java:84)
	at org.apache.hama.ipc.Server$Responder.processResponse(Server.java:784)
	at org.apache.hama.ipc.Server$Responder.doRespond(Server.java:847)
	at org.apache.hama.ipc.Server$Handler.run(Server.java:1249)
{code}

> Scalability test on fully distributed environment
> -------------------------------------------------
>
>                 Key: HORN-16
>                 URL: https://issues.apache.org/jira/browse/HORN-16
>             Project: Apache Horn
>          Issue Type: Task
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>
> It depends on HAMA-988 ..



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