Deep/wide directory structures might cause noticeable CPU overhead
Applies to
- All platforms & versions of Data ONTAP
- FlexVols
Issue
- High CPU utilization may seen on a storage controller in
sysstat -x 1
andsysstat -M 1
- Excessively high Data latency in
qos statistics volume latency show
wafltop
orqos statistics volume resource cpu show
has all the workload on a specific volume onSPINNP_LOOKUP
inwafltop