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High latency on FlexCache destination volume with no IOPs

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

ONTAP 9.5 and newer

Issue

High latency is seen in qos statistics volume latency show

Workload            ID    Latency    Network    Cluster       Data       Disk    QoS Max    QoS Min      NVRAM      Cloud  FlexCache    SM Sync         VA
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
-total-              -   707.00us    91.00us    29.00us   387.00us    16.00us        0ms        0ms        0ms        0ms   184.00us        0ms        0ms
sc_lkf1gt_114..  26518     18.06s    34.48ms        0ms      4.51s        0ms        0ms        0ms        0ms        0ms     13.52s        0ms        0ms

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