跳转到主内容

如何知道 OnCommand 报告的延迟是否准确?

Views:
8
Visibility:
Public
Votes:
0
Category:
oncommand-unified-manager
Specialty:
Perf
Last Updated:

适用场景

  • 集群模式 Data ONTAP / ONTAP
  • 所有 OnCommand 产品

问题解答

  • OnCommand 产品直接从 ONTAP 获取数据,即 5 分钟平均值
    • 只持续几秒后进入空闲状态的任何工作 如果延迟较高,则不会反映或反映出来 增加幅度非常小
  • 这与您可以获取的运行 qos statistics 命令数据相同 或 statisticsworkload

示例:qos statistics 使用命令检查卷qos statistics volume latency show

Workload      ID   Latency   Network   Cluster     Data    Disk  QoS Max   QoS Min    NVRAM  
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
-total-        -    4.71ms   185.00us    7.00us   468.00us    4.04ms     0ms     0ms   11.00us
vol1       32140   22.22ms   86.00us   125.00us   904.00us   21.11ms     0ms     0ms    1.00us
-total-        -    4.58ms   253.00us    7.00us   991.00us    3.32ms     0ms     0ms   11.00us
vol1        32140   29.69ms   90.00us   162.00us    2.61ms   26.82ms     0ms     0ms    1.00us
-total-        -    2.55ms   229.00us    8.00us   589.00us    1.71ms     0ms     0ms   13.00us
vol1        32140   18.84ms   61.00us   314.00us   136.00us   18.32ms     0ms     0ms    1.00us
-total-        -    4.33ms   198.00us    9.00us  1221.00us    2.88ms     0ms     0ms   13.00us
vol1        32140   177.16ms   113.00us   226.00us   108.03ms   68.79ms     0ms     0ms    2.00us
-total-        -    4.09ms   233.00us   12.00us  1029.00us    2.81ms     0ms     0ms   12.00us
vol1        32140   37.79ms   215.00us   158.00us    1.84ms   35.58ms     0ms     0ms    1.00us
-total-        -    3.45ms   194.00us   10.00us   780.00us    2.45ms     0ms     0ms   15.00us
vol1        32140   30.85ms   91.00us   138.00us  1169.00us   29.45ms     0ms     0ms    2.00us
-total-        -    2.21ms   210.00us    6.00us   645.00us  1340.00us     0ms     0ms   11.00us

     
      要对历史数据性能归档进行比较,必须查看这些归档 由技术支持工程师提供
     

     

    NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.