Performance test 2.0 to 5.0 for server set up

Hello guys,

We are moving away from our legacy version of elasticsearch 2.0 (with marvel and alerting) to 5.0 with xpack.

I was wondering what is an easy and good way to performance test elastic? I want to see how it affects the performance from upgrading, and to see if the xpack plugin requires us to have a better servers because of the additional plugins.

Our server configuration as of now:

3x machines (1 node per machine) with 4 cores and 32GB of ram

I am looking to change that to:

each machine have 3 nodes, using containers. each node will have 2 cores and 9GB of RAM. What do you think?

Why not go to 6.0?

Have you see Rally - - it's for benchmarking Elasticsearch :slight_smile:

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I do not see the point in having a larger number of smaller nodes on the same hardware as it increases overhead and complexity. The point where you start having more than 1 node per server is generally when you have more than 64GB RAM on the host and want to maximise heap space, which does not seem to be the case here.

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Out end goal is to be on 6.0. As we have set up 5.0 a month ago, we are just going to benchmark just to see how xpack affects the system.

Thank you for the rally recommendation!

Thanks for your help,

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