Elasticsearch official benchmarking results

Elastic Stack Elasticsearch
1

Hi,

I was going through the official Elasticsearch benchmarking results provided online at
https://elasticsearch-benchmarks.elastic.co/index.html#tracks/http-logs/nightly/30d

I noticed something intriguing. The numbers using a 3-node Elasticsearch is smaller than the number obtained using the default one node cluster. Why is that? Shouldn't a 3-node cluster provide better indexing numbers that a single node with default configuration?

Am i missing something here?

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2

Hi,

Thanks for raising this.

Broadly speaking, yes, 3-node should provide higher indexing throughput.
Indeed this is the case with other tracks: nyc taxis, pmc.

However, one difference between the 3-node and the default benchmarks is that the former has 1 replica, which reduces the initial indexing performance (see also here). Additionally http_log, as well as geonames and geopoint have a very small doc size and get impacted more.

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