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    • High CPU utilization due SecD memory issue
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/High_CPU_utilization_due_SecD_memory_issue
      High hostOS CPU is coming from SecD load Thu Nov 19 20:37:06 CET [Node-01: secd: secd.rpc.server.request.dropped:debug]: The RPC secd_rpc_auth_user_id_to_unix_ext_creds sent from NBLADE_NFS was droppe...High hostOS CPU is coming from SecD load Thu Nov 19 20:37:06 CET [Node-01: secd: secd.rpc.server.request.dropped:debug]: The RPC secd_rpc_auth_user_id_to_unix_ext_creds sent from NBLADE_NFS was dropped by SecD due to memory pressure. 00000023.3d2753ed 03357f70 Mon Nov 23 2020 00:17:48 +01:00 [kern_secd:info:14174] [SECD MASTER THREAD] SecD RPC Server:Too many outstanding Generic RPC requests: sending System Error to RPC 217:secd_rpc_auth_user_id_to_unix_ext_creds Request ID:16082.
    • High HostOS Utilization due to process ndo_manager
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/High_CPU_utilization_due_to_HostOS_domain_due_to_process_ndo_manager
      Applies to ONTAP 9 HostOS utilization Issue High CPU on node due to HostOS domain, Running sysstat -M command shows high host domain utilization Sample output focusing on host Domain. AVG CPU0 CPU1 CP...Applies to ONTAP 9 HostOS utilization Issue High CPU on node due to HostOS domain, Running sysstat -M command shows high host domain utilization Sample output focusing on host Domain. AVG CPU0 CPU1 CPU2 CPU3 CPU4 CPU5 CPU6 CPU7 Nwk_Lg Nwk_Exmpt Storage Raid WAFL_Ex(Kahu) Exempt SSAN_Ex Intr Host Ops/s 65% 47% 43% 45% 75% 67% 75% 67% 71% 15% 10% 15% 4% 211%( 14%) 180% 161% 5% 335% 8911 84% 73% 74% 76% 87% 86% 88% 84% 89% 14% 9% 17% 5% 229%( 15%) 124% 167% 10% 366% 9892
    • High cpu utilization in host domain from MGWD in ONTAP 9.7
      https://kb.netapp.com/on-prem/ontap/Perf/Perf-KBs/High_cpu_utilization_in_host_domain_from_MGWD_in_ONTAP_9.7
      Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x83cd63500) setup_transport() returned sock:192 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x825b01100) ...Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x83cd63500) setup_transport() returned sock:192 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x825b01100) setup_transport() returned sock:354 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x83cd63500) setup_transport() returned sock:252 stat:0 ssl_type:1 Wed Aug 12 02:14:59 2020:src/disp_processor.cc:1449 (thr_id:0x825b01100) setup_transport() returned sock:246 stat:0 ss…