---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-7092 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 1.8M 3.2G 1% /run /dev/vda1 155G 15G 141G 10% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 3.2G 0 3.2G 0% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4f09af9fce2ae0f3220b06977995de743878e12920fd5ed424a51b6073abf8d3/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/66e9a7a67b304640a25802f2c715705a5c374c961780964764763bf7ff5e3306/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9af30f6727d0a3275c28df9231deb03e56166d937ff3f9a268ffa0b19e393163/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/626c67971b472a61c39c711e94926a553d092321030de666b248c0b13dd948a4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3d2476bca124b657a7520b88deda80acb5fdf43be1191a37657d316d3df6c3d6/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1526 24199 1 6441 30184 Swap: 0 0 0 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:dd:b4:29 brd ff:ff:ff:ff:ff:ff inet 10.30.106.170/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85994sec preferred_lft 85994sec inet6 fe80::f816:3eff:fedd:b429/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:39:a4:2b:3d brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:39ff:fea4:2b3d/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether aa:b2:65:60:9e:a0 brd ff:ff:ff:ff:ff:ff inet 10.42.0.0/32 scope global flannel.1 valid_lft forever preferred_lft forever inet6 fe80::a8b2:65ff:fe60:9ea0/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 36:ef:95:ed:ba:65 brd ff:ff:ff:ff:ff:ff inet 10.42.0.1/24 brd 10.42.0.255 scope global cni0 valid_lft forever preferred_lft forever inet6 fe80::34ef:95ff:feed:ba65/64 scope link valid_lft forever preferred_lft forever 6: veth46c47779@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:99:b2:95:72:0d brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::f099:b2ff:fe95:720d/64 scope link valid_lft forever preferred_lft forever 8: veth193588a8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether d6:2a:0b:0d:11:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::d42a:bff:fe0d:11e0/64 scope link valid_lft forever preferred_lft forever 9: vethf4efe783@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:ba:40:be:4f:28 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::28ba:40ff:febe:4f28/64 scope link valid_lft forever preferred_lft forever 13: vethf3d26609@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether de:da:ea:41:4f:7f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::dcda:eaff:fe41:4f7f/64 scope link valid_lft forever preferred_lft forever 14: veth490714da@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:fa:18:8b:49:22 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::c0fa:18ff:fe8b:4922/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-7092) 07/08/26 _x86_64_ (8 CPU) 14:36:53 LINUX RESTART (8 CPU) 14:37:01 tps rtps wtps bread/s bwrtn/s 14:38:01 362.91 94.80 268.11 6181.81 92790.67 14:39:01 416.01 41.66 374.35 2195.63 118157.11 14:40:01 205.50 0.05 205.45 0.40 86544.49 14:41:01 158.71 3.35 155.36 454.46 68846.79 14:42:01 111.50 18.38 93.12 744.68 54214.70 14:43:01 82.11 2.57 79.54 94.50 7746.62 Average: 222.79 26.80 195.99 1611.95 71382.64 14:37:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:38:01 30215976 31768208 2723244 8.27 45240 1826224 1378032 4.18 968196 1485528 307388 14:39:01 26827320 31087152 6111900 18.56 124624 4275892 2902460 8.81 2009000 3551412 497340 14:40:01 25446936 30644688 7492284 22.75 136536 5146304 3248012 9.86 2715940 4162884 493436 14:41:01 26469912 31075516 6469308 19.64 139492 4668204 2601428 7.90 2202552 3774400 644 14:42:01 25272176 30935580 7667044 23.28 146116 5670428 3316772 10.07 2483276 4632868 44568 14:43:01 24974532 30890812 7964688 24.18 153644 5889468 3346260 10.16 2544136 4843184 144544 Average: 26534475 31066993 6404745 19.44 124275 4579420 2798827 8.50 2153850 3741713 247987 14:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:38:01 ens3 422.48 283.54 1347.81 73.12 0.00 0.00 0.00 0.00 14:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:38:01 lo 2.43 2.43 0.26 0.26 0.00 0.00 0.00 0.00 14:39:01 vethf3d26609 0.13 0.40 0.01 0.03 0.00 0.00 0.00 0.00 14:39:01 veth46c47779 4.42 6.05 1.38 1.93 0.00 0.00 0.00 0.00 14:39:01 veth193588a8 0.53 1.45 0.09 0.21 0.00 0.00 0.00 0.00 14:39:01 veth490714da 4.18 3.62 0.83 1.63 0.00 0.00 0.00 0.00 14:40:01 vethf3d26609 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:40:01 veth46c47779 6.38 7.71 1.91 0.99 0.00 0.00 0.00 0.00 14:40:01 veth193588a8 0.18 0.25 0.01 0.03 0.00 0.00 0.00 0.00 14:40:01 veth490714da 1.48 1.62 0.13 0.20 0.00 0.00 0.00 0.00 14:41:01 vethf3d26609 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 14:41:01 veth46c47779 7.08 8.43 2.13 0.99 0.00 0.00 0.00 0.00 14:41:01 veth193588a8 0.15 0.18 0.01 0.02 0.00 0.00 0.00 0.00 14:41:01 veth490714da 1.45 1.60 0.12 0.20 0.00 0.00 0.00 0.00 14:42:01 vethf3d26609 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:42:01 veth46c47779 7.42 8.68 2.16 1.20 0.00 0.00 0.00 0.00 14:42:01 veth193588a8 0.13 0.23 0.01 0.03 0.00 0.00 0.00 0.00 14:42:01 veth490714da 1.67 1.80 0.14 0.41 0.00 0.00 0.00 0.00 14:43:01 vethf3d26609 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 14:43:01 veth46c47779 6.96 8.53 2.12 0.99 0.00 0.00 0.00 0.00 14:43:01 veth193588a8 0.15 0.17 0.01 0.02 0.00 0.00 0.00 0.00 14:43:01 veth490714da 1.42 1.62 0.12 0.20 0.00 0.00 0.00 0.00 Average: vethf3d26609 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth46c47779 5.38 6.57 1.62 1.02 0.00 0.00 0.00 0.00 Average: veth193588a8 0.19 0.38 0.02 0.05 0.00 0.00 0.00 0.00 Average: veth490714da 1.70 1.71 0.22 0.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-7092) 07/08/26 _x86_64_ (8 CPU) 14:36:53 LINUX RESTART (8 CPU) 14:37:01 CPU %user %nice %system %iowait %steal %idle 14:38:01 all 6.95 0.80 1.72 6.00 0.05 84.47 14:38:01 0 3.14 0.00 1.07 12.30 0.05 83.44 14:38:01 1 5.77 5.98 1.92 1.63 0.05 84.65 14:38:01 2 9.45 0.03 2.12 2.64 0.05 85.71 14:38:01 3 4.39 0.00 1.93 23.69 0.05 69.95 14:38:01 4 4.18 0.00 1.10 3.96 0.03 90.72 14:38:01 5 7.18 0.00 1.24 0.88 0.05 90.65 14:38:01 6 7.27 0.37 1.40 0.50 0.05 90.41 14:38:01 7 14.27 0.00 2.96 2.48 0.05 80.24 14:39:01 all 13.54 0.00 6.21 16.07 0.17 64.01 14:39:01 0 13.95 0.00 6.39 12.72 0.19 66.75 14:39:01 1 14.30 0.00 5.89 4.82 0.20 74.79 14:39:01 2 14.12 0.00 6.08 21.88 0.17 57.76 14:39:01 3 13.94 0.00 6.01 28.19 0.17 51.70 14:39:01 4 13.05 0.00 6.51 17.88 0.17 62.38 14:39:01 5 12.64 0.00 6.00 15.32 0.17 65.87 14:39:01 6 14.21 0.00 5.51 6.87 0.15 73.26 14:39:01 7 12.13 0.00 7.28 20.84 0.19 59.56 14:40:01 all 41.67 0.00 6.38 3.58 0.19 48.18 14:40:01 0 40.86 0.00 6.18 0.39 0.17 52.41 14:40:01 1 42.20 0.00 6.89 7.35 0.20 43.36 14:40:01 2 42.15 0.00 6.46 1.19 0.18 50.02 14:40:01 3 41.64 0.00 6.48 1.70 0.20 49.97 14:40:01 4 39.55 0.00 6.58 2.39 0.20 51.28 14:40:01 5 43.36 0.00 6.62 0.89 0.17 48.96 14:40:01 6 42.27 0.00 5.83 5.74 0.19 45.98 14:40:01 7 41.33 0.00 6.04 9.00 0.19 43.45 14:41:01 all 38.58 0.28 6.22 2.26 0.15 52.51 14:41:01 0 40.15 0.00 6.47 0.24 0.17 52.97 14:41:01 1 40.25 0.00 5.90 1.75 0.15 51.95 14:41:01 2 37.89 0.00 6.61 9.59 0.15 45.76 14:41:01 3 36.18 0.00 6.30 1.94 0.13 55.45 14:41:01 4 37.45 1.56 6.56 0.59 0.13 53.70 14:41:01 5 39.75 0.00 6.02 1.53 0.13 52.56 14:41:01 6 37.46 0.62 6.01 0.45 0.13 55.32 14:41:01 7 39.53 0.05 5.83 2.04 0.15 52.39 14:42:01 all 7.06 0.00 2.72 4.49 0.09 85.65 14:42:01 0 5.09 0.00 2.67 5.34 0.14 86.76 14:42:01 1 6.32 0.00 3.48 2.74 0.07 87.39 14:42:01 2 5.32 0.00 2.84 12.81 0.08 78.95 14:42:01 3 12.86 0.00 2.80 1.89 0.10 82.35 14:42:01 4 8.04 0.00 2.61 9.33 0.10 79.92 14:42:01 5 5.42 0.00 2.36 0.05 0.07 92.10 14:42:01 6 6.40 0.00 2.33 0.25 0.08 90.94 14:42:01 7 7.02 0.00 2.66 3.49 0.08 86.74 14:43:01 all 9.90 0.00 1.19 0.61 0.08 88.23 14:43:01 0 6.45 0.00 1.38 0.30 0.10 91.77 14:43:01 1 8.34 0.00 0.85 0.12 0.07 90.63 14:43:01 2 5.85 0.00 0.90 0.40 0.05 92.80 14:43:01 3 6.35 0.00 0.90 0.23 0.07 92.45 14:43:01 4 10.00 0.00 1.59 0.95 0.07 87.39 14:43:01 5 21.93 0.00 1.36 1.74 0.08 74.88 14:43:01 6 6.11 0.00 1.14 0.33 0.07 92.35 14:43:01 7 14.14 0.00 1.44 0.80 0.08 83.54 Average: all 19.60 0.18 4.06 5.48 0.12 70.56 Average: 0 18.28 0.00 4.02 5.21 0.13 72.35 Average: 1 19.49 1.01 4.14 3.06 0.12 72.18 Average: 2 19.11 0.01 4.16 8.05 0.11 68.57 Average: 3 19.20 0.00 4.06 9.61 0.12 67.01 Average: 4 18.69 0.26 4.15 5.83 0.12 70.95 Average: 5 21.71 0.00 3.92 3.38 0.11 70.88 Average: 6 18.91 0.17 3.69 2.35 0.11 74.77 Average: 7 21.40 0.01 4.36 6.40 0.12 67.71