メインコンテンツまでスキップ

削除ワークロードが原因でレイテンシが高くなっています

Views:
18
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
perf<a>パフォーマンスの</a><a>削除</a>
Last Updated:

環境

  • ONTAP 9
  • 削除ワークロード

問題

  • 高レイテンシ qos statistics volume latency show は、ユーザや Data 列などのコマンドで確認できます。
  • これに関連する EMS メッセージは、次のような場合に(から)表示 event log showされます。
[wafl.zombie.susp.msg.threshold:notice]: WAFL(R) is experiencing zombie throttling possibly due to requests for large number of file deletions. [wafl_exempt08: wafl.cp.toolong:error]: Aggregate fas_01_DATA_AGGR experienced a long CP... This message occurs when a WAFL(R) consistency point (CP) takes longer than 30 seconds. A CP lasting more than 30 seconds might cause client latency and potentially a client outage.
  • WAFL 免除処理ドメイン内で CPU 使用率の上昇が観察されることもあります。

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

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.