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From Timothy Bish <>
Subject Re: Data Migration from KahaDB to LevelDB?
Date Mon, 09 Mar 2015 16:27:20 GMT
On 03/09/2015 11:54 AM, James A. Robinson wrote:
> On Fri, Mar 6, 2015 at 6:07 AM, underflow <> wrote:
>> - Another idea was to create a network of brokers with the original instance
>> (w/ kahadb persistence) and the new instance (w/ leveldb persistence) +
>> resending all content, if required...
> I'll be curious to see what advice you get.  I'm new to activemq, but this
> sounds like a very reasonable approach to me.  I'd set up a cluster with
> the new backing store and migrate clients to it.  Once I was happy the old
> one is not needed I'd turn off the transport connectors and let it forward
> any remaining data to the new cluster.
> Jim
This is in fact a reasonable solution.  This is also recommended when 
upgrading brokers even when using KahaDB so that messages from an older 
KahaDB version can be drained to the new broker.

Tim Bish
Sr Software Engineer | RedHat Inc. |
skype: tabish121 | twitter: @tabish121

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