Performance
Performance
Featured
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
- High latency from NVLOG transfer on GCP Cloud Volume ONTAPTue, 02 Jun 2026
- SMB copy delays over WAN through Rich Copy ToolWed, 27 May 2026
- Weekly early-morning traffic spike observed on Sundays in Active IQ Unified ManagerFri, 22 May 2026
- Slow iSCSI operations on Trident and Kubernetes for AOSP buildsTue, 19 May 2026
- CONTAP-540551: ONTAP cluster node reboots unexpectedly on dcs_counter_workerWed, 13 May 2026
- Hight write Throughput and Latency without known workloadTue, 12 May 2026
- NFSv3 FSSTAT latency since upgrading ONTAPMon, 11 May 2026
- Latency spikes 3 times a day at the same hour and minuteMon, 11 May 2026
- High Write Latency in SMBC (SnapMirror Business Continuity)Fri, 08 May 2026
- Drag and Drop files from MS Outlook to FlexCache takes long time to saveMon, 04 May 2026
- How to analyze NAS access frequency and peak usage by user accountMon, 27 Apr 2026
- Very High Latency causing VDI crashesFri, 17 Apr 2026
- What is the recommended method for obtaining ONTAP volume's throughput and IOPS for a specific time window?Tue, 14 Apr 2026
- SMB application performance degradation when Oplock is disabledThu, 02 Apr 2026
- High “Other IOPS” on NFS Volume Due to Qualys ScanTue, 31 Mar 2026
- "statistics show" returns no entries for specific counters with zero valuesMon, 30 Mar 2026
- IO workload shows periodic 3‑hour saw‑tooth pattern during long‑duration stability testTue, 17 Mar 2026
- Performance degradation during heavy load due to uneven ASM I/O distributionTue, 17 Mar 2026
- VM reports No space left on device while using btrfsMon, 16 Mar 2026
- Performance Degradation on CIFS Shares with Large Number of Files on NetAppThu, 12 Mar 2026
- CONTAP-185349: EMS reports "qos.qtree.fh.error.report" continuouslyWed, 10 Jun 2026
- CONTAP-197212: Panic on MGWD processWed, 10 Jun 2026
- CONTAP-160636: QoS minimum latency with no policies set after ONTAP upgrade.Wed, 10 Jun 2026
- CONTAP-243331: QoS limit latency observed when cluster nodes are not healthyWed, 10 Jun 2026
- CONTAP-235583: QoS minimum latency with no policies set after ONTAP upgrade.Wed, 10 Jun 2026
- CONTAP-414670: CM quota system deletes all CCMA files after reboot when CCMA file space exceeds limitWed, 10 Jun 2026
- CONTAP-399841: mgwd: assertion (index < _xLabels.size()) at src/cmr_zr_result.cc:111 failed, raising SIGABRT(6) at RIP 0x81f8ed71aWed, 10 Jun 2026
- CONTAP-414209: Stale QoS Workload entries after deletion of filesWed, 10 Jun 2026
- CONTAP-390616: page fault (supervisor write data, page not present) in SK process repl_Handle_low on release 9.16.1RC1Wed, 10 Jun 2026
- CONTAP-377586: REST API documentation that provides calculation to determine the CPU utilization percentage is incorrectWed, 10 Jun 2026
- CONTAP-448664: ONTAP cluster node reboots unexpectedlyWed, 10 Jun 2026
- CONTAP-454572: No CM RZR access for ASA Legacy systemsWed, 10 Jun 2026
- CONTAP-426568: iSCSI and FCP LUNs/SUs using QoS may become inaccessible after upgrade to 9.16.1Wed, 10 Jun 2026
- CONTAP-488734: Node reboots unexpectedly with mgwd unresponsive possible due to vnode lock issueWed, 10 Jun 2026
- CONTAP-562491: DR CONFIG REPLICATION FAILED: QoS policy group conflicts with QoS policyWed, 10 Jun 2026
- CONTAP-561705: DRCGFM: Cannot add volume to QoS policy group because volume is not contained in the Vserver to which the policy group belongsWed, 10 Jun 2026
- CONTAP-631965: QoS Policy set for IOPs limit gets throttled as though they are in B/sWed, 10 Jun 2026
- CONTAP-126727: page fault due to invalid memory allocationWed, 10 Jun 2026
- CONTAP-60021: Watchdog induced disruption in CM Archiver thread due to slow mrootWed, 10 Jun 2026
- CONTAP-82625: MetroCluster configuration replication failure Internal Error: Failed to verify if the volume has blocks in the capacity tierWed, 10 Jun 2026
