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运行按需 vscan 后的 CIFS 访问延迟较高,因为 AV 连接器输入队列已满

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1
Visibility:
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Votes:
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Category:
ontap-9
Specialty:
cifs
Last Updated:

适用场景

  • ONTAP 9
  • ONTAP 防病毒连接器( AV 连接器) 1.0.4
  • Trend Micro ServerProtect for Storage 6.0 内部版本 1119

问题描述

  • 运行按需 vscan 后, CIFS 访问速度过慢。
  • AV Connector 队列:scanner_stats_pct_input_queue_avg 即使按需 vscan 停止, vscan 工作负载也会降低,但使用率仍较高(超过 90% )。

示例:

:*> statistics show-periodic -interval 10 -object offbox_vscan_server -counter scanner_stats_pct_input_queue_avg|scan_request_timedout|scan_request_pending|scan_request_dispatched|scanner_stats_is_queue_full -instance svm01:xx.xx.xx.xx:sr-2650-04-01
sr-2650-04: offbox_vscan_server.svm01:10.xx.xx.xx:sr-2650-04-01: 6/3/2021 23:26:12
    scan    scan    scan scanner_stats_is scanner_stats_pct_input
   request  request  request       queue          queue  Complete   Number of
 dispatched  pending timedout        full           avg Aggregation Constituents
 ---------- -------- -------- ---------------- ----------------------- ----------- ------------
     58    500     3         0            97   Yes    1
     53    500     0         0            98   Yes    1
     54    500     0         0            98   Yes    1
     64    500     0         0            98   Yes    1
     55    500     0         0            98   Yes    1
     56    500     0         0            98   Yes    1
     63    500     0         0            98   Yes    1
     55    498     2         0            98   Yes    1
     60    500     2         0            98   Yes    1
     91    270    261         0            98   Yes    1
     56    220     50         0            98   Yes    1
     59    220     0         0            98   Yes    1

 

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