下载并解压安装sql_exporter
wget https://github.com/free/sql_exporter/releases/download/0.5/sql_exporter-0.5.linux-amd64.tar.gz
#解压
tar xvf sql_exporter-0.5.linux-amd64.tar.gz -C /usr/local/
修改主配置文件
cd /usr/local/
mv sql_exporter-0.5.linux-amd64 sql_exporter
cd /usr/local/sql_exporter
cat /usr/local/sql_exporter/config.yml
# Global defaults.
global:
# Subtracted from Prometheus' scrape_timeout to give us some headroom and prevent Prometheus from timing out first.
scrape_timeout_offset: 500ms
# Minimum interval between collector runs: by default (0s) collectors are executed on every scrape.
min_interval: 0s
# Maximum number of open connections to any one target. Me