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From Robert Brown <>
Subject Shard splitting for immediate performance boost?
Date Sat, 19 Mar 2016 17:12:38 GMT

I have an index of 60m docs split across 2 shards (each with a replica).

When load testing queries (picking random keywords I know exist), and 
randomly requesting facets too, 95% of my responses are under 0.5s.

However, during some random manual tests, sometimes I see searches 
taking between 1-2 seconds.

Should I expect a simple shard split to assist with the speed 
immediately?  Even with the 2 new shards still being on the original 

Will move them to their own dedicated hosts, but just want to understand 
what I should expect during the process.


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