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HA（高可用性）CVO 配置的高写入延迟

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适用于

  • NetApp Cloud Volumes ONTAP (CVO)
  • 所有受支持的云提供商 (Azure、AWS、GCP)
  • HA (高可用性) CVO 配置

问题

  • 客户在 CVO 集群上观察到高写入延迟和周期性 NFS 缓慢。
  • 这些事件通常由应用程序团队报告为"NFS 未响应"或关键卷上的性能下降。
  • 问题在峰值写入活动期间每天重复出现。
  • 性能统计数据显示总体延迟较高，其中大部分归因于 NVLOG
  • 未观察到 CPU 饱和或聚合满载情况。

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