Hello,

We are running multiple slices in our environment. I have enabled JMX and I am 
inspecting the replication handler mbean to obtain some information about the 
master/slave configuration for replication. Is the replication handler mbean a 
singleton? I only see one mbean for the entire server and it's picking an 
arbitrary slice to report on. So I'm curious if every slice gets its own 
replication handler mbean? This is important because I have no way of knowing 
in this specific server any information about the other slices, in particular, 
information about the master/slave value for the other slices.

Reading through the Solr 1.4 replication strategy, I saw that a slice can be 
configured to be a master and a slave, i.e. a repeater. I'm wondering how 
repeaters work because let's say I have a slice named 'A' and the master is on 
server 1 and the slave is on server 2 then how are these two servers 
communicating to replicate? Looking at the jmx information I have in the MBean 
both the isSlave and isMaster is set to true for my repeater so how does this 
solr slice know if it's the master or slave? I'm a bit confused.

Thanks.




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