Performance
Performance
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Performance Resolution Guide
Start here to troubleshoot ONTAP 9 performance
Start here to troubleshoot ONTAP 9 performance
Data Processing latency Resolution Guide
Troubleshoot Data Processing latency
Troubleshoot Data Processing latency
Disk utilization and latency Resolution Guide
Troubleshoot FAS high disk latency or utilization
Troubleshoot FAS high disk latency or utilization
Other Resources
- CONTAP-389090: Network processing threads may not scale under sustained workloadsTue, 13 Oct 2026
- CONTAP-655446: Network packet processing can use a stale header pointerTue, 13 Oct 2026
- NAbox monitoring not displaying data for new cluster with FabricPoolTue, 13 Oct 2026
- Can CPU or Memory Utilization Be Used as the Primary Indicator of a Performance Bottleneck?Wed, 07 Oct 2026
- High S3 Latency Observed majority from network delay centerMon, 05 Oct 2026
- Frequent write Latencies due to bursty workload and NVlog/Dirty Buffer limitsTue, 29 Sep 2026
- Log deletion latency on FlexCache NFS volume in NetApp AFF-C800Thu, 24 Sep 2026
- ONTAP FlexCache CPU D-blade bottleneck caused by cache eviction activity resulting in high latency and file access failuresFri, 18 Sep 2026
- High Latency and Application slowness during sudden SAN I/O ActivityThu, 17 Sep 2026
- Copy performance is inconsistent within FlexGroupThu, 17 Sep 2026
- Huge difference on available IOPS between nodes on clusterThu, 17 Sep 2026
- How to identify high-traffic clients or files in ONTAPWed, 16 Sep 2026
- Other operation latency observed on FlexGroup volume after VDI updateWed, 16 Sep 2026
- What are the published write performance specifications for an ONTAP aggregateTue, 08 Sep 2026
- What does latency represent in NetApp performance metrics reported by sysstat and Unified ManagerThu, 03 Sep 2026
- CONTAP-786231: RFE: High CPU utilization due to TSSE, Tiering and other background processes preventing customer to see the CPU HeadroomWed, 02 Sep 2026
- Can ONTAP limit throughput for a specific CIFS SVM during selected hoursMon, 17 Aug 2026
- Citrix profile load times on SVM increasedTue, 11 Aug 2026
- ccma quota throughput alerts triggered despite available root volume spaceSat, 01 Aug 2026
- CONTAP-751146: mgwd virtual memory grows over time due to counter manager REST worker thread resource exhaustionFri, 31 Jul 2026
- High CPU utilization from TSSEWed, 14 Oct 2026
- CONTAP-650406: ASA r2: Adaptive QoS policy limits not correctly assigned to LUN/namespace/volumeTue, 13 Oct 2026
- CONTAP-631965: QoS Policy set for IOPs limit gets throttled as though they are in B/sTue, 13 Oct 2026
- CONTAP-271485: ONTAP cluster node reboots unexpectedlyTue, 13 Oct 2026
- CONTAP-751146: mgwd virtual memory grows over time due to counter manager REST worker thread resource exhaustionTue, 13 Oct 2026
- CONTAP-562491: DR CONFIG REPLICATION FAILED: QoS policy group conflicts with QoS policyTue, 13 Oct 2026
- CONTAP-414670: CM quota system deletes all CCMA files after reboot when CCMA file space exceeds limitTue, 13 Oct 2026
- CONTAP-561705: DRCGFM: Cannot add volume to QoS policy group because volume is not contained in the Vserver to which the policy group belongsTue, 13 Oct 2026
- CONTAP-540551: ONTAP cluster node reboots unexpectedly on dcs_counter_workerTue, 13 Oct 2026
- CONTAP-488734: Node reboots unexpectedly with mgwd unresponsive possible due to vnode lock issueTue, 13 Oct 2026
- CONTAP-448664: ONTAP cluster node reboots unexpectedlyTue, 13 Oct 2026
- CONTAP-454572: No CM RZR access for ASA Legacy systemsTue, 13 Oct 2026
- CONTAP-456220: Node reboots due to CPU hang due to thread stuck in repeated checksTue, 13 Oct 2026
- CONTAP-426568: iSCSI and FCP LUNs/SUs using QoS may become inaccessible after upgrade to 9.16.1Tue, 13 Oct 2026
- CONTAP-399841: mgwd: assertion (index < _xLabels.size()) at src/cmr_zr_result.cc:111 failed, raising SIGABRT(6) at RIP 0x81f8ed71aTue, 13 Oct 2026
- CONTAP-414209: Stale QoS Workload entries after deletion of filesTue, 13 Oct 2026
- CONTAP-390616: page fault (supervisor write data, page not present) in SK process repl_Handle_low on release 9.16.1RC1Tue, 13 Oct 2026
- CONTAP-46634: System Manager could not return performance data in Dashboard with new experienceTue, 13 Oct 2026
- CONTAP-377586: REST API documentation that provides calculation to determine the CPU utilization percentage is incorrectTue, 13 Oct 2026
- CONTAP-395558: CONTAP-283733 workaround ineffective for MetroClusterTue, 13 Oct 2026
