Hi, 
Is staggered replication possible in Solr through configuration?

We are concern with the CPU spike (80%) and GC pauses on all the slaves when
they try to replicate updated index from repeaters. We havent observed this
behavior in v3.5 (Max spike were 50% during replication)
In our case we have 8 slaves serving the traffic, and all start replicating
the new index at the same time. When the switch for Reader happens after
warm-up we see a spike in CPU and at the same time GC pause which causes
request on our application to queue and eventually fails. 

It would be good to have a throttle on master/repeater for max replication
request to serve at a given time.

Planning to write a script and schedule it which will trigger replication in
a staggered fashion so not all slaves are busy replicating. 

thanks
Aditya 



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