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From "michael.boom" <>
Subject SolrCloud: optimizing a core triggers optimizations of all cores in that collection?
Date Thu, 24 Oct 2013 10:37:33 GMT

I have a SolrCloud setup, on two servers 3 shards, replicationFactor=2.
Today I trigered the optimization on core *shard2_replica2* which only
contained 3M docs, and 2.7G.
The size of the other shards were shard3=2.7G and shard1=48G (the routing is
implicit but after some update deadlocks and restarts the shard range in
Zookeeper got null and everything since then apparently got indexed to

So, half an hour after i triggered the optimization, via the Admin UI, i
noticed that used space was increasing alot on *both servers* for cores
*shard1_replica1 and shard1_replica2*. 
It was now 67G and increasing. In the end after about 40 minutes from the
start operation shard1 was done optimizing on both servers leaving
shard1_replica1 and shard1_replica2 at about 33G.

Any idea what is happening and why the core on which i wanted the
optimization to happen, got no optimization and instead another shard got
optimized, on both servers?

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