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From Jonathan Rochkind <>
Subject Re: Solr vs ElasticSearch
Date Wed, 01 Jun 2011 16:31:13 GMT
You _could_ configure it as a slave, if you plan to sometimes use it as 
a slave.  It can be configured as both a master and a slave. You can 
configure it as a slave, but turn off automatic polling.  And then issue 
one-off replicate commands whenever you want.

But yeah, it gets messy, your use case is definitely not what 
ReplicationHandler is expecting, definitely some Java improvements would 
be nice, agreed.

On 6/1/2011 12:20 PM, Upayavira wrote:
> On Wed, 01 Jun 2011 11:47 -0400, "Jonathan Rochkind"<>
> wrote:
>> On 6/1/2011 11:26 AM, Upayavira wrote:
>>> Probably the ReplicationHandler would need a 'one-off' replication
>>> command...
>> It's got one already, if you mean a command you can issue to a slave to
>> tell it to pull replication right now.  The thing is, you can only issue
>> this command if the core is configured as a slave.  You can turn off
>> polling though.
>> You can include a custom masterURL in the one-off pull command, which
>> over-rides whatever masterURL is configured in the core --- but you
>> still need a masterURL configured in the core, or Solr will complain on
>> startup if the core is configured as slave without a masterURL. (And if
>> it's not configured as a slave, you can't issue the one-off pull
>> command).
> Right, but this wouldn't be a slave - so I'd want to wire the
> destination core so that it can accept a 'pull request' without being
> correctly configured. Stuff to look at.
> Upayavira

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