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由于前缀拆分失败、导致加数据延迟较高

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适用场景

  • NetApp StorageGRID 11.5.0.2或更高版本
  • NetApp StorageGRID 11.6

问题描述

  • 虽然S3操作速率 不会增加甚至下降、但加注延迟却会急剧增加
  • 在以下统计信息示例中、延迟 在18:08 (GMT)时增加到8秒:
% grep SPUT audit.log | audit-sum -gt 1M
message group           count     min(sec)        max(sec)    average(sec)
=============           =====     ========        ========    ============
...
YYYY-MM-DDT18:03         8819        0.011           1.297           0.031
YYYY-MM-DDT18:04         8579        0.011           1.337           0.035
YYYY-MM-DDT18:05         7826        0.011           1.381           0.036
YYYY-MM-DDT18:06         8062        0.011           1.721           0.036
YYYY-MM-DDT18:07         7399        0.011           7.720           0.119
YYYY-MM-DDT18:08         1520        0.073          12.596           8.728
YYYY-MM-DDT18:09         1941        0.207          12.570           8.074
YYYY-MM-DDT18:10         2233        0.020          12.000           8.063
YYYY-MM-DDT18:11         2559        0.028          11.190           8.745
YYYY-MM-DDT18:12         2617        0.014          11.320           8.927
...
%
  • 凌晨02:00 (本地时间、GMT+8)后网格网络流量显著增加:

grid-network-traffic.png

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