---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6270 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/b1e754dbd25abdfe410e25f6569a279cd79634e9feb842afed06bbba6aa9e14f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/55c8df5f1057778b4960d2e138f48d31fe8debbc3acbeb5a28f1c71b30b86ab0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3a4c165a460176eab0912c052c30109e6035cf302cbac733840fa917d93308b7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/068e0b94e5c1b5d1990a72f75677ca7a40a04129e779c6e8dd285687dc632d9f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4f90d0bf4c4859c268fcd256af4380b167c3d8e5b0a67551042e83cdefa84acd/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1519 24170 1 6477 30191 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:31:b4:a2 brd ff:ff:ff:ff:ff:ff inet 10.30.107.101/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86068sec preferred_lft 86068sec inet6 fe80::f816:3eff:fe31:b4a2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b3:9d:c3:86 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:b3ff:fe9d:c386/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 12:ce:3d:c0:bd:75 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::10ce:3dff:fec0:bd75/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 06:ed:6d:7a:33:98 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::4ed:6dff:fe7a:3398/64 scope link valid_lft forever preferred_lft forever 6: veth6e8653cd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5e:96:57:07:f7:89 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::5c96:57ff:fe07:f789/64 scope link valid_lft forever preferred_lft forever 7: veth2ea3001b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 6e:c8:f0:68:58:50 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::6cc8:f0ff:fe68:5850/64 scope link valid_lft forever preferred_lft forever 10: veth861d0f7e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b6:e0:e0:34:22:3d brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::b4e0:e0ff:fe34:223d/64 scope link valid_lft forever preferred_lft forever 11: veth80bdc733@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:05:e7:12:c0:7c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::7c05:e7ff:fe12:c07c/64 scope link valid_lft forever preferred_lft forever 12: vethf10943ec@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:9e:62:6c:9e:6b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::889e:62ff:fe6c:9e6b/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-6270) 10/29/26 _x86_64_ (8 CPU) 15:22:59 LINUX RESTART (8 CPU) 15:23:01 tps rtps wtps bread/s bwrtn/s 15:24:02 383.75 135.21 248.54 8060.39 145440.29 15:25:01 373.08 3.24 369.84 389.56 159633.75 15:26:01 73.29 0.02 73.27 0.13 28801.60 15:27:01 195.10 3.78 191.32 509.92 96590.03 15:28:01 87.67 20.44 67.23 766.68 6931.69 Average: 222.08 32.63 189.44 1950.45 87237.93 15:23:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:24:02 29486020 31411388 3453200 10.48 50540 2181008 1941340 5.89 1487800 1651904 11708 15:25:01 25641768 30937852 7297452 22.15 120528 5267796 3330056 10.11 2689316 3995932 908888 15:26:01 24441576 30745180 8497644 25.80 121948 6238532 3224500 9.79 3336604 4514572 1065472 15:27:01 25358504 30990992 7580716 23.01 127404 5660852 3221520 9.78 2390816 4636912 372 15:28:01 24887864 30879160 8051356 24.44 139072 5973188 3326400 10.10 2536944 4924236 201872 Average: 25963146 30992914 6976074 21.18 111898 5064275 3008763 9.13 2488296 3944711 437662 15:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:24:02 lo 114.05 114.05 43.55 43.55 0.00 0.00 0.00 0.00 15:24:02 ens3 440.64 306.60 2606.69 76.77 0.00 0.00 0.00 0.00 15:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 veth6e8653cd 8.25 10.56 2.56 2.62 0.00 0.00 0.00 0.00 15:25:01 cni0 41.26 40.97 21.92 94.17 0.00 0.00 0.90 0.00 15:25:01 vethcb3c51f 193.65 292.07 15.96 1532.75 0.00 0.00 0.00 0.13 15:25:01 veth2ea3001b 3.27 4.46 0.33 0.78 0.00 0.00 0.00 0.00 15:26:01 veth6e8653cd 7.28 8.55 2.15 1.00 0.00 0.00 0.00 0.00 15:26:01 cni0 11.85 13.33 2.39 1.48 0.00 0.00 0.08 0.00 15:26:01 vethcb3c51f 0.67 0.70 0.06 0.44 0.00 0.00 0.00 0.00 15:26:01 veth2ea3001b 2.95 3.32 0.27 0.29 0.00 0.00 0.00 0.00 15:27:01 veth6e8653cd 7.18 8.68 2.14 1.11 0.00 0.00 0.00 0.00 15:27:01 cni0 12.21 13.73 2.42 1.91 0.00 0.00 0.17 0.00 15:27:01 veth2ea3001b 3.10 3.53 0.29 0.40 0.00 0.00 0.00 0.00 15:27:01 lo 283.84 283.84 192.03 192.03 0.00 0.00 0.00 0.00 15:28:01 veth6e8653cd 7.25 8.50 2.14 1.07 0.00 0.00 0.00 0.00 15:28:01 cni0 11.91 13.28 2.40 1.56 0.00 0.00 0.02 0.00 15:28:01 veth2ea3001b 3.05 3.20 0.28 0.28 0.00 0.00 0.00 0.00 15:28:01 lo 23.78 23.78 6.99 6.99 0.00 0.00 0.00 0.00 Average: veth6e8653cd 5.99 7.25 1.80 1.16 0.00 0.00 0.00 0.00 Average: cni0 15.36 16.18 5.77 19.58 0.00 0.00 0.23 0.00 Average: veth2ea3001b 2.47 2.90 0.23 0.35 0.00 0.00 0.00 0.00 Average: lo 61.16 61.16 39.89 39.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6270) 10/29/26 _x86_64_ (8 CPU) 15:22:59 LINUX RESTART (8 CPU) 15:23:01 CPU %user %nice %system %iowait %steal %idle 15:24:02 all 9.56 0.54 2.60 2.81 0.01 84.47 15:24:02 0 13.67 0.00 3.36 0.57 0.02 82.39 15:24:02 1 8.66 0.02 2.96 3.11 0.00 85.25 15:24:02 2 8.15 0.00 2.10 1.35 0.00 88.39 15:24:02 3 8.36 0.00 2.24 0.57 0.00 88.83 15:24:02 4 6.29 1.41 2.08 2.48 0.00 87.75 15:24:02 5 8.54 2.91 3.43 3.48 0.00 81.64 15:24:02 6 12.85 0.00 2.08 7.63 0.00 77.44 15:24:02 7 10.00 0.00 2.56 3.33 0.00 84.10 15:25:01 all 41.35 0.00 7.69 2.01 0.02 48.93 15:25:01 0 41.72 0.00 7.69 0.60 0.00 49.99 15:25:01 1 40.51 0.00 8.16 3.60 0.03 47.69 15:25:01 2 41.49 0.00 8.19 2.76 0.02 47.54 15:25:01 3 40.99 0.00 7.31 0.36 0.02 51.32 15:25:01 4 42.23 0.00 8.06 3.87 0.02 45.83 15:25:01 5 41.21 0.00 7.08 0.52 0.02 51.19 15:25:01 6 41.08 0.00 7.62 1.45 0.02 49.83 15:25:01 7 41.60 0.00 7.36 2.88 0.02 48.14 15:26:01 all 50.84 0.00 6.89 0.21 0.02 42.04 15:26:01 0 47.46 0.00 7.06 0.00 0.02 45.46 15:26:01 1 49.32 0.00 6.75 0.00 0.02 43.91 15:26:01 2 53.36 0.00 7.07 0.05 0.02 39.50 15:26:01 3 48.46 0.00 6.18 0.39 0.00 44.97 15:26:01 4 56.50 0.00 7.54 0.00 0.02 35.94 15:26:01 5 48.96 0.00 6.11 0.00 0.02 44.91 15:26:01 6 47.46 0.00 6.59 1.23 0.02 44.71 15:26:01 7 55.24 0.00 7.79 0.00 0.05 36.93 15:27:01 all 8.43 0.27 4.07 1.35 0.01 85.88 15:27:01 0 6.23 0.79 4.18 1.14 0.03 87.62 15:27:01 1 10.84 0.00 4.27 1.42 0.02 83.45 15:27:01 2 7.83 0.00 3.86 0.34 0.02 87.95 15:27:01 3 6.60 0.00 3.13 0.27 0.02 89.98 15:27:01 4 10.74 1.31 4.51 0.66 0.02 82.77 15:27:01 5 6.85 0.00 4.32 3.63 0.00 85.19 15:27:01 6 8.63 0.00 3.74 3.17 0.00 84.45 15:27:01 7 9.68 0.00 4.49 0.15 0.02 85.66 15:28:01 all 11.34 0.00 1.34 0.63 0.01 86.67 15:28:01 0 15.02 0.00 1.96 0.32 0.02 82.69 15:28:01 1 22.29 0.00 1.70 0.43 0.00 75.57 15:28:01 2 9.72 0.00 1.61 0.80 0.00 87.87 15:28:01 3 6.60 0.00 0.96 0.50 0.02 91.93 15:28:01 4 10.28 0.00 1.17 0.40 0.02 88.13 15:28:01 5 5.56 0.00 0.79 0.03 0.02 93.60 15:28:01 6 7.99 0.00 1.32 1.24 0.02 89.43 15:28:01 7 13.30 0.00 1.32 1.36 0.02 84.01 Average: all 24.21 0.16 4.50 1.40 0.01 69.71 Average: 0 24.75 0.16 4.84 0.52 0.02 69.71 Average: 1 26.25 0.00 4.75 1.70 0.01 67.28 Average: 2 24.02 0.00 4.55 1.05 0.01 70.37 Average: 3 22.04 0.00 3.94 0.42 0.01 73.59 Average: 4 25.12 0.55 4.65 1.47 0.01 68.19 Average: 5 22.14 0.58 4.33 1.53 0.01 71.40 Average: 6 23.49 0.00 4.25 2.95 0.01 69.30 Average: 7 25.88 0.00 4.69 1.54 0.02 67.87