On Tue, 2017-06-06 at 10:51 +0200, Isart Montane wrote: > We are using SolrCloud with 5 nodes, 2 collections, 2 shards each. > The problem we are seeing is a huge drop on writes when the number of > replicas increase. > > When we index (using DIH and batches) a collection with no replicas, > we are able to index at 1800 inserts/sec. That number decreases to > 1200 with 1 replica, 800 with 2 replicas and 400 with 3 replicas and > it keeps getting worst when more replicas are added.
That is, as Susheel says, not expected behaviour. If you are running everything on a single physical machine that could be an explanation. What is your hardware-setup? -- Toke Eskildsen, Royal Danish Library
