I think I'm having a similar issue as the last post in this thread:
I'm running Elasticsearch 1.1.0 on 3 servers, each has 24 cores and 72GB
memory, Elasticsearch is given 16GB for heap space. Out of the default
settings, I got some tweaks in elasticsearch.yml:
I'm trying to index 150+ million records but when we reached 30 million
documents, one of the server got really high CPU load (20-30) while the
other two were not really busy (load was only 1-3).
Also, there's only one index with 20 shards in the cluster, replication
factor set to 1 and refresh_interval is 30 seconds.
Any suggestion to re-balance the load of this cluster ?
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