1、运行esrally 高级配置模式
高级配置模式和普通模式的区别：普通模式只需要配置jdk的环境变量路径。
而高级模式，需要配置：当前本机已安装elasticsearch的监听端口以及ES配置的主机名称。
高级配置模式详情：
[elasticsearch@laoyang root]$ esrally configure --advanced-config
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Running advanced configuration. You can get additional help at:
https://esrally.readthedocs.io/en/latest/configuration.html
WARNING: Will overwrite existing config file at [/home/elasticsearch/.rally/rally.ini]
[✓] Autodetecting available third-party software
git : [✓]
gradle : [✓]
JDK 8 : [✕] (You cannot benchmark Elasticsearch 5.x without a JDK 8 installation)
[✓] Setting up benchmark data directory in [/home/elasticsearch/.rally/benchmarks] (needs several GB).
Enter your Elasticsearch project directory: [default: '/home/elasticsearch/.rally/benchmarks/src']:
Using default value '/home/elasticsearch/.rally/benchmarks/src'
Enter the JDK 8 root directory:: /opt/jdk1.8.0_91
Enter a descriptive name for this benchmark environment (ASCII, no spaces): local
Enter the host name of the ES metrics store [default: 'localhost']: laoyang
#elasticsearch的监听端口
Enter the port of the ES metrics store: 9200
Use secure connection (True, False) [default: 'False']:
Using default value 'False'
Username for basic authentication (empty if not needed) [default: '']:
Using default value ''
Password for basic authentication (empty if not needed) [default: '']:
Using default value ''
[✓] Configuration successfully written to [/home/elasticsearch/.rally/rally.ini]. Happy benchmarking!
To benchmark the currently checked out version of Elasticsearch with the default benchmark run:
esrally
For help, type esrally --help or see the user documentation at https://esrally.readthedocs.io
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2、运行esrally
[elasticsearch@laoyang root]$ esrally
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3、在head插件前端和kibana前端看输出结果。
head插件会显示：新增的索引：rally-2016.
kibana配置参考：
https://elasticsearch-benchmark-analytics.elastic.co/app/kibana#/visualize/edit/Index-disk-usage （官网esrally性能测试）
下图信息，如果每天运行一次性能测试，就能够跑出性能曲线。（横轴：日期，纵轴：性能指标）
4. 细节与rally源码作者讨论如下
https://discuss.elastic.co/t/the-detail-meaning-of-esrally-final-score/57454/10045
