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From "Kaide Mu (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (CASSANDRA-12008) Make decommission operations resumable
Date Thu, 21 Jul 2016 20:31:20 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kaide Mu reassigned CASSANDRA-12008:
------------------------------------

    Assignee: Kaide Mu

> Make decommission operations resumable
> --------------------------------------
>
>                 Key: CASSANDRA-12008
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12008
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Streaming and Messaging
>            Reporter: Tom van der Woerdt
>            Assignee: Kaide Mu
>            Priority: Minor
>
> We're dealing with large data sets (multiple terabytes per node) and sometimes we need
to add or remove nodes. These operations are very dependent on the entire cluster being up,
so while we're joining a new node (which sometimes takes 6 hours or longer) a lot can go wrong
and in a lot of cases something does.
> It would be great if the ability to retry streams was implemented.
> Example to illustrate the problem :
> {code}
> 03:18 PM   ~ $ nodetool decommission
> error: Stream failed
> -- StackTrace --
> org.apache.cassandra.streaming.StreamException: Stream failed
>         at org.apache.cassandra.streaming.management.StreamEventJMXNotifier.onFailure(StreamEventJMXNotifier.java:85)
>         at com.google.common.util.concurrent.Futures$6.run(Futures.java:1310)
>         at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:457)
>         at com.google.common.util.concurrent.ExecutionList.executeListener(ExecutionList.java:156)
>         at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:145)
>         at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:202)
>         at org.apache.cassandra.streaming.StreamResultFuture.maybeComplete(StreamResultFuture.java:210)
>         at org.apache.cassandra.streaming.StreamResultFuture.handleSessionComplete(StreamResultFuture.java:186)
>         at org.apache.cassandra.streaming.StreamSession.closeSession(StreamSession.java:430)
>         at org.apache.cassandra.streaming.StreamSession.complete(StreamSession.java:622)
>         at org.apache.cassandra.streaming.StreamSession.messageReceived(StreamSession.java:486)
>         at org.apache.cassandra.streaming.ConnectionHandler$IncomingMessageHandler.run(ConnectionHandler.java:274)
>         at java.lang.Thread.run(Thread.java:745)
> 08:04 PM   ~ $ nodetool decommission
> nodetool: Unsupported operation: Node in LEAVING state; wait for status to become normal
or restart
> See 'nodetool help' or 'nodetool help <command>'.
> {code}
> Streaming failed, probably due to load :
> {code}
> ERROR [STREAM-IN-/<ipaddr>] 2016-06-14 18:05:47,275 StreamSession.java:520 - [Stream
#<streamid>] Streaming error occurred
> java.net.SocketTimeoutException: null
>         at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:211) ~[na:1.8.0_77]
>         at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103) ~[na:1.8.0_77]
>         at java.nio.channels.Channels$ReadableByteChannelImpl.read(Channels.java:385)
~[na:1.8.0_77]
>         at org.apache.cassandra.streaming.messages.StreamMessage.deserialize(StreamMessage.java:54)
~[apache-cassandra-3.0.6.jar:3.0.6]
>         at org.apache.cassandra.streaming.ConnectionHandler$IncomingMessageHandler.run(ConnectionHandler.java:268)
~[apache-cassandra-3.0.6.jar:3.0.6]
>         at java.lang.Thread.run(Thread.java:745) [na:1.8.0_77]
> {code}
> If implementing retries is not possible, can we have a 'nodetool decommission resume'?



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