---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6402 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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/06ae84ac929c427e177ad73a77b182afc3b54392fd90e8e2d018c6074c3cdeb6/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/17ef8b4c5ad28ce1968bcbd72f6d627851c74cb8d8a7c7ca96c860d5acf70a2c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2611cde4c0415fd18d846e8305b4c62a9d8b1382df03424ea2f94bf4021c852c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/30cd5662cbd7008558acef1959543847f1722eeb14f61fe213d3bcd1ee555904/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8d262421d3b1c79dbf1abb603facbf6bce5849ba44043b990995d84818354b88/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1562 23957 1 6647 30147 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:82:b3:d8 brd ff:ff:ff:ff:ff:ff inet 10.30.107.197/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fe82:b3d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7e:ba:fd:5e 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::42:7eff:feba:fd5e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 0a:f0:bf:94:57:a9 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::8f0:bfff:fe94:57a9/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 76:e1:53:95:bf:2e 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::74e1:53ff:fe95:bf2e/64 scope link valid_lft forever preferred_lft forever 6: vethc4579697@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:f9:4a:aa:db:2c brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::54f9:4aff:feaa:db2c/64 scope link valid_lft forever preferred_lft forever 7: veth5bb5826c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:64:d1:16:8c:e6 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::6464:d1ff:fe16:8ce6/64 scope link valid_lft forever preferred_lft forever 12: veth84bf6a40@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 06:49:fa:20:38:51 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::449:faff:fe20:3851/64 scope link valid_lft forever preferred_lft forever 13: vethb07f1249@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:e7:a3:f2:fc:af brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::48e7:a3ff:fef2:fcaf/64 scope link valid_lft forever preferred_lft forever 14: veth5d4b6a38@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:75:48:6e:33:a0 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::bc75:48ff:fe6e:33a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6402) 10/30/26 _x86_64_ (8 CPU) 06:20:49 LINUX RESTART (8 CPU) 06:21:01 tps rtps wtps bread/s bwrtn/s 06:22:03 407.83 133.13 274.70 7971.74 140690.95 06:23:01 388.71 3.15 385.55 382.14 149472.30 06:24:01 79.54 0.02 79.52 0.13 61388.30 06:25:01 174.81 21.58 153.23 1202.13 74491.17 06:26:01 736.68 636.70 99.98 5245.96 11784.92 Average: 357.57 160.29 197.27 2979.26 87096.63 06:21:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:22:03 28427980 31280220 4511240 13.70 66996 3062028 2278912 6.92 1660416 2468448 893612 06:23:01 25231364 31038976 7707856 23.40 125648 5742048 2812012 8.54 2855220 4208508 1242156 06:24:01 26646884 31108864 6292336 19.10 127124 4487400 2591676 7.87 2053300 3694188 80 06:25:01 25308888 30916944 7630332 23.16 135732 5618876 3466340 10.52 2503492 4563088 10020 06:26:01 24617232 30886332 8321988 25.26 297472 6011052 3428232 10.41 2721136 4925496 173724 Average: 26046470 31046267 6892750 20.93 150594 4984281 2915434 8.85 2358713 3971946 463918 06:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:22:03 ens3 792.55 535.64 7981.44 94.80 0.00 0.00 0.00 0.00 06:22:03 cni0 0.48 0.45 0.08 0.14 0.00 0.00 0.10 0.00 06:22:03 lo 158.74 158.74 77.79 77.79 0.00 0.00 0.00 0.00 06:22:03 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 veth5d4b6a38 4.67 4.09 0.86 1.59 0.00 0.00 0.00 0.00 06:23:01 ens3 412.12 231.17 4305.00 23.77 0.00 0.00 0.00 0.00 06:23:01 cni0 39.06 38.56 21.57 95.23 0.00 0.00 0.81 0.00 06:23:01 vethb07f1249 0.16 0.50 0.01 0.04 0.00 0.00 0.00 0.00 06:24:01 veth5d4b6a38 1.45 1.57 0.12 0.19 0.00 0.00 0.00 0.00 06:24:01 ens3 0.90 0.75 0.53 0.51 0.00 0.00 0.00 0.00 06:24:01 cni0 11.46 12.85 2.32 1.43 0.00 0.00 0.08 0.00 06:24:01 vethb07f1249 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:25:01 veth5d4b6a38 1.67 1.85 0.14 0.41 0.00 0.00 0.00 0.00 06:25:01 ens3 345.20 180.99 6086.08 17.52 0.00 0.00 0.00 0.00 06:25:01 cni0 12.28 13.68 2.42 1.99 0.00 0.00 0.17 0.00 06:25:01 vethb07f1249 0.02 0.17 0.00 0.01 0.00 0.00 0.00 0.00 06:26:01 veth5d4b6a38 1.43 1.56 0.12 0.19 0.00 0.00 0.00 0.00 06:26:01 ens3 82.41 51.35 1370.18 9.43 0.00 0.00 0.00 0.00 06:26:01 cni0 11.87 13.42 2.39 1.48 0.00 0.00 0.02 0.00 06:26:01 vethb07f1249 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth5d4b6a38 1.82 1.80 0.24 0.47 0.00 0.00 0.00 0.00 Average: ens3 325.89 199.66 3944.51 29.23 0.00 0.00 0.00 0.00 Average: cni0 14.87 15.64 5.65 19.54 0.00 0.00 0.23 0.00 Average: vethb07f1249 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6402) 10/30/26 _x86_64_ (8 CPU) 06:20:49 LINUX RESTART (8 CPU) 06:21:01 CPU %user %nice %system %iowait %steal %idle 06:22:03 all 13.33 0.62 4.39 2.82 0.01 78.82 06:22:03 0 17.01 0.00 5.64 5.17 0.02 72.17 06:22:03 1 10.99 0.00 4.14 2.21 0.00 82.65 06:22:03 2 12.28 1.46 3.87 0.67 0.00 81.72 06:22:03 3 13.34 3.49 3.62 6.67 0.00 72.89 06:22:03 4 13.50 0.00 4.39 1.21 0.00 80.90 06:22:03 5 15.73 0.00 4.10 0.82 0.00 79.35 06:22:03 6 11.60 0.00 4.04 5.46 0.00 78.90 06:22:03 7 12.23 0.00 5.29 0.40 0.00 82.07 06:23:01 all 55.08 0.00 8.79 2.28 0.02 33.82 06:23:01 0 53.52 0.00 9.11 1.72 0.00 35.65 06:23:01 1 53.98 0.00 8.31 1.92 0.03 35.75 06:23:01 2 55.57 0.00 8.84 1.87 0.02 33.70 06:23:01 3 56.75 0.00 9.11 2.27 0.02 31.86 06:23:01 4 53.46 0.00 8.59 1.36 0.02 36.57 06:23:01 5 56.38 0.00 8.18 0.77 0.05 34.61 06:23:01 6 53.14 0.00 9.02 4.32 0.02 33.51 06:23:01 7 57.87 0.00 9.20 3.97 0.02 28.94 06:24:01 all 44.37 0.00 8.15 0.57 0.01 46.90 06:24:01 0 50.80 0.00 9.78 0.45 0.02 38.95 06:24:01 1 45.34 0.00 8.56 0.17 0.00 45.94 06:24:01 2 42.95 0.00 9.02 2.54 0.03 45.46 06:24:01 3 41.31 0.00 7.63 0.02 0.02 51.03 06:24:01 4 44.18 0.00 7.76 0.00 0.02 48.04 06:24:01 5 44.64 0.00 7.34 0.91 0.02 47.10 06:24:01 6 45.10 0.00 7.35 0.52 0.00 47.03 06:24:01 7 40.65 0.00 7.75 0.00 0.02 51.59 06:25:01 all 8.47 0.21 4.01 1.05 0.01 86.26 06:25:01 0 8.12 0.00 4.24 1.90 0.00 85.74 06:25:01 1 10.23 0.00 4.43 1.48 0.02 83.85 06:25:01 2 7.57 1.63 4.00 1.82 0.02 84.96 06:25:01 3 9.60 0.00 3.97 0.35 0.00 86.08 06:25:01 4 7.97 0.00 3.83 0.34 0.00 87.87 06:25:01 5 9.05 0.00 4.06 0.17 0.02 86.70 06:25:01 6 6.67 0.00 3.49 0.35 0.00 89.49 06:25:01 7 8.60 0.00 4.01 2.02 0.00 85.36 06:26:01 all 11.70 0.00 1.84 2.27 0.01 84.18 06:26:01 0 4.94 0.00 1.27 1.54 0.02 92.24 06:26:01 1 8.15 0.00 1.73 1.36 0.02 88.74 06:26:01 2 10.67 0.00 1.32 1.17 0.00 86.84 06:26:01 3 12.66 0.00 2.52 5.75 0.02 79.05 06:26:01 4 14.57 0.00 2.17 0.25 0.03 82.98 06:26:01 5 13.26 0.00 1.57 0.52 0.02 84.63 06:26:01 6 11.30 0.00 2.23 4.42 0.02 82.04 06:26:01 7 18.04 0.00 1.92 3.17 0.02 76.86 Average: all 26.37 0.17 5.41 1.79 0.01 66.25 Average: 0 26.65 0.00 5.98 2.16 0.01 65.20 Average: 1 25.51 0.00 5.41 1.42 0.01 67.65 Average: 2 25.56 0.62 5.38 1.61 0.01 66.81 Average: 3 26.51 0.70 5.34 3.01 0.01 64.42 Average: 4 26.54 0.00 5.32 0.62 0.01 67.50 Average: 5 27.56 0.00 5.02 0.63 0.02 66.77 Average: 6 25.40 0.00 5.20 3.00 0.01 66.40 Average: 7 27.25 0.00 5.60 1.90 0.01 65.23