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
- CIFS Share Slowness on ONTAPWed, 08 Oct 2025
- High latency on HDD system with Citrix ContainersMon, 06 Oct 2025
- What impact does full file operation auditing have on NFS/SMB cluster performance?Mon, 06 Oct 2025
- Lower than expected IOPS due to SnapMirror Active SyncTue, 30 Sep 2025
- We have a net new filer we brought online and are migrating data to it. The filer isThu, 18 Sep 2025
- ONTAP S3 object listing is either timing out or running slowWed, 17 Sep 2025
- SnapCenter restore performance to an alternate host is slowMon, 15 Sep 2025
- High write latency and wafl.cp.toolong:error messagesFri, 12 Sep 2025
- cpuBusyTimePerCent metric shows intermittent CPU utilization spikesWed, 03 Sep 2025
- High Latency Observed on FabricPool-Configured FlexGroup Volumes Post ONTAP UpgradeTue, 02 Sep 2025
- “statistics show-periodic" shows incorrect cluster recv/sent throughputTue, 02 Sep 2025
- Latency was observed for a volume which cleared automatically after a whileMon, 01 Sep 2025
- High disk latency when multiple partitions in the same aggregateFri, 29 Aug 2025
- Higher latency and lower throughput since ONTAP upgrade with tiering policy allWed, 27 Aug 2025
- Sudden increase in latency and CPUMon, 25 Aug 2025
- Higher latency is observed on a volume despite no changes in IOPS or throughputSat, 23 Aug 2025
- SAN network processing latency with too many ESXi host connections per LUNMon, 18 Aug 2025
- High latency when writing an ephemeral dataset with a flat directory structureWed, 13 Aug 2025
- Sudden drop in PEAK PERFORMANCE line in ActiveIQ Unified Manager to 50 percentTue, 12 Aug 2025
- High latency seen in Data Infrastructure Insights when ONTAP latency is lowMon, 11 Aug 2025
- High read latency seen after controller upgrade from AFF-A400 to other platformsFri, 10 Oct 2025
- What are performance archives and how are they triggered?Thu, 09 Oct 2025
- High "Cluster" latency with FlexGroup due to increased metadata workloadThu, 09 Oct 2025
- Lower than expected performance while utilizing a single volumeThu, 09 Oct 2025
- CIFS Share Slowness on ONTAPWed, 08 Oct 2025
- High Latency with SM-BC caused by network issuesTue, 07 Oct 2025
- High latency on HDD system with Citrix ContainersMon, 06 Oct 2025
- What impact does full file operation auditing have on NFS/SMB cluster performance?Mon, 06 Oct 2025
- ONTAP S3 object listing is either timing out or running slowMon, 06 Oct 2025
- CONTAP-456220: Node reboots due to CPU hang due to thread stuck in repeated checksSat, 04 Oct 2025
- CONTAP-390616: page fault (supervisor write data, page not present) in SK process repl_Handle_low on release 9.16.1RC1Sat, 04 Oct 2025
- Read, write and other latency spikesFri, 03 Oct 2025
- Extremely slow "rm -rf" performanceThu, 02 Oct 2025
- High write latency and wafl.cp.toolong:error messagesThu, 02 Oct 2025
- CONTAP-399841: mgwd: assertion (index < _xLabels.size()) at src/cmr_zr_result.cc:111 failed, raising SIGABRT(6) at RIP 0x81f8ed71aThu, 02 Oct 2025
- How to map an ocs_vserver workload to which volume it came fromTue, 30 Sep 2025
- Lower than expected IOPS due to SnapMirror Active SyncTue, 30 Sep 2025
- SAN increased latency with low throughput from VAAI Copy OffloadTue, 30 Sep 2025
- CONTAP-426568: iSCSI and FCP LUNs/SUs using QoS may become inaccessible after upgrade to 9.16.1Tue, 30 Sep 2025
- High disk latency when multiple partitions in the same aggregateTue, 30 Sep 2025