Update grafana-monitor-best-practices.md and tispark doc (#3073)#3126

yikeke merged 1 commit into

pingcap:release-3.1pingcap/docs:release-3.1from

ti-srebot:release-3.1-9e8c7cb3453bti-srebot/docs:release-3.1-9e8c7cb3453bCopy head branch name to clipboard