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
- 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
- Can consolidating volumes from multiple SVMs into single SVM cause performance impact?Mon, 02 Mar 2026
- Backup of an NFS volume repeatedly takes a very long timeMon, 02 Mar 2026
- Inconsistent file copy performance between volumes when using Zero‑Filled test filesThu, 26 Feb 2026
- CONTAP-631965: QoS Policy set for IOPs limit gets throttled as though they are in B/sThu, 19 Feb 2026
- Slowness accessing a FlexCache cache volume due to origin being fullWed, 11 Feb 2026
- Very high cifs latency on Citrix VDIWed, 11 Feb 2026
- Is it possible to reserve CPU or memory resource for single ONTAP data SVM?Tue, 03 Feb 2026
- VMware reports lost access to volumes due to disk overutilizationWed, 28 Jan 2026
- Is Snapmirror "backoff" throttling at the node level or is it system-wideTue, 27 Jan 2026
- Read performance degradation after ONTAP upgradingMon, 26 Jan 2026
- Is it possible to get performance statistics on Igroup level?Fri, 23 Jan 2026
- Low latency and High CPU or DISK utilization due to deduplicationMon, 20 Apr 2026
- High CPU utilization from TSSEMon, 20 Apr 2026
- CONTAP-103040: Throughput reported by 'network test-link' lower than expected.Sat, 18 Apr 2026
- CONTAP-126727: page fault due to invalid memory allocationSat, 18 Apr 2026
- CONTAP-271485: ONTAP cluster node reboots unexpectedlySat, 18 Apr 2026
- CONTAP-414670: CM quota system deletes all CCMA files after reboot when CCMA file space exceeds limitSat, 18 Apr 2026
- CONTAP-399841: mgwd: assertion (index < _xLabels.size()) at src/cmr_zr_result.cc:111 failed, raising SIGABRT(6) at RIP 0x81f8ed71aSat, 18 Apr 2026
- CONTAP-414209: Stale QoS Workload entries after deletion of filesSat, 18 Apr 2026
- CONTAP-381432: ONTAP reboots unexpectedly: protection fault on VA 0 code 0 cs:rip 0x20:0xffffffff8babc41e in SK process CCMA-CleanerSat, 18 Apr 2026
- CONTAP-243331: QoS limit latency observed when cluster nodes are not healthySat, 18 Apr 2026
- CONTAP-319490: Why are there qos.VioDet.Mintput.Throttle alerts after upgrading ONTAP to 9.13.1 or newer?Sat, 18 Apr 2026
- CONTAP-338340: mgwd panic while copying/iterating through the array objectsSat, 18 Apr 2026
- CONTAP-220099: BGP disconnects due to inefficient CG0 invocationSat, 18 Apr 2026
- CONTAP-316617: Improper QoS rate limiting during ONTAP upgradeSat, 18 Apr 2026
- CONTAP-293446: Counter Manager Archive files get purged after takeoverSat, 18 Apr 2026
- CONTAP-283733: QoS latency when upgrading or after upgrade to 9.14.1 on volumes without a QoS policySat, 18 Apr 2026
- CONTAP-185349: EMS reports "qos.qtree.fh.error.report" continuouslySat, 18 Apr 2026
- CONTAP-220112: QoS impact in multi-tenant environments when oversubscribed.Sat, 18 Apr 2026
- CONTAP-197212: Panic on MGWD processSat, 18 Apr 2026
- CONTAP-160636: QoS minimum latency with no policies set after ONTAP upgrade.Fri, 17 Apr 2026
