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如何使用 Prometheus 以图形的方式显示 etcd 指标,以在 OpenShift 中衡量 Etcd 性能

Solution Verified - Updated -

Issue

  • 如何使用 prometheus 绘制 etcd etcd_disk_wal_fsync_durationetcd_disk_backend_commit_durationetcd_disk_backend_commit_duration,以测量 OCP 中 etcd 性能?
  • 如何以图形的方式显示 OpenShift 中 etcd 成员的 cpu iowait
  • 如何在 Prometheus 中检查 etcd leader 的变化。
  • 如何查看 etcd db 的大小。

Environment

  • Red Hat Openshift Container Platform (RHOCP)
    • 3.11
    • 4
  • etcd

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