node data migration

Matthew Pflueger matthew.pflueger at gmail.com
Tue May 4 17:12:23 EDT 2010


Maybe I'm missing something but the riak-admin script does not support
the leave command...

--Matthew



On Tue, May 4, 2010 at 17:05, Sean Cribbs <sean at basho.com> wrote:
> Also, if you're certain you want it to relinquish its data before shutting down, use 'riak-admin leave'.  It will then proceed to handoff all of its keys to other nodes and then cleanly shut down.  With 1GB of data this could take a while, however.
>
> Sean Cribbs <sean at basho.com>
> Developer Advocate
> Basho Technologies, Inc.
> http://basho.com/
>
> On May 4, 2010, at 4:02 PM, Matthew Pflueger wrote:
>
>> Scenario:  I need to upgrade the OS of my nodes in my cluster which
>> will result in a reboot of each node.  What would be the process to
>> nicely migrate data away from each node?
>>
>> If my understanding is correct, performing a nice shutdown of a riak
>> node via `riak stop` will migrate the data away from the node.  Am I
>> correct?  If so, approximately how long would it take to do the
>> migration if say each node represents 1 gig of data?  Does that whole
>> gig get migrated away or only the data that is not replicated?
>>
>>
>> --Matthew
>>
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>
>




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