Hi,

The split-shard feature of SolrCloud has been around for a while. And it
sounds like a necessary feature to be able to scale down a system, that was
scaled up (to optimize resource utilization). 

What is the reason that MergeShard has not been introduced in SolrCloud yet? 

I imagine I could perform a MergeShard by doing the following:
1. Copy the indexes to the same node.
2. Call merge-index command from Core api.
3. Update clusterstate.json to reflect the change (This seems non-trivial:
updating range, shards, replicas, leaders etc.)

Does this sound right?

Thanks,
VB



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