Hello!
Depends on what you want to test. If you want to test indexing - start from scratch, see how many documents you can index with the clean Elasticsearch cluster, when you start to see slowdowns. Try seeing what the bottleneck is if any. In general, such tests depend on how much data you have and how much indexing you are planning to do.
If you want to test querying performance - start with some setup that you assume should be OK. Index your data and start testing, for example by sending production like queries with JMeter. That will give you information on how the cluster behaves in such setup. Then you can change the deployment and tune. For example adding replicas, re-sharding and having more/less shards, depending on the data and its volume.
During all tests, you should be monitoring your cluster. You can use anything available, although for performance testing anything will be good, even the command line tools that will help you understand what is happening on the operating system level, how garbage collector is performing.
--
Regards,
Rafał Kuć
Performance Monitoring * Log Analytics * Search Analytics
Solr & Elasticsearch Support * http://sematext.com/
Could you please give me some more detailed suggestions on how to test the elasticsearch? thanks.
On Thursday, April 10, 2014 10:13:49 AM UTC-4, Mark Walkom wrote:
The best way to know is to test it yourself.
It's very dependant on your hardware, your settings and the data that you are indexing.
Regards,
Mark Walkom
Infrastructure Engineer
Campaign Monitor
email: ma...@campaignmonitor.com
web: www.campaignmonitor.com
On 10 April 2014 23:49, Leslie Hawthorn <leslie....@elasticsearch.com> wrote:
Hi Jianjun,
Thank you for the additional details. I think we will need some more information but I will let someone who is better skilled at benchmarking Elasticsearch ask you about it.
Welcome to the mailing list! We are happy to have you here and to help.
Cheers,
LH
On Thu, Apr 10, 2014 at 3:42 PM, Jianjun Hu <4nex...@gmail.com> wrote:
Hi Leslie,
Thanks for your reply.
We have some data in MySQL database and some PDF documents. We want to index them and let our user to use. So we decide to use the ElasticSearch. Before using the ElsaticSearch, we want to know the performance of the ElasticSearch, so we want to do benchmark of the ElasticSearch. However, we don't know how to do. I'm not sure if I express my question clearly.
Best,
Jianjun
On Thursday, April 10, 2014 9:11:37 AM UTC-4, Leslie Hawthorn wrote:
Hi Jianjun,
On Thu, Apr 10, 2014 at 3:02 PM, Jianjun Hu <4nex...@gmail.com> wrote:
Hi all,
How to do benchmark of the ElasticSearch? Thanks!
The answer to this question is "it depends." It would be very helpful to describe a bit more about what you are working on so people can give a better answer to you. 
Best,
LH
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