---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6316 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: 2799.998 BogoMIPS: 5599.99 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/85dd407dca3c7d9ed04ba47dfc68e9425823c2bb9687960594e7fe794cf39d0b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/7b261ae6267a1a81b901369e62bff276fd3c23837457d17ffcd76894812a1b62/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1f2012e2231d9c16bbf3c80dac9c95818edd8be4678b180e42ffb272214aff32/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/50da6675d8ece47b8911c3b96035c83cabd74ca4b5884731f80179bd86f2571b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8af967dfa0b76e8f28e7d99364a47968391b31eb1b0dfff400e8dd70a2606732/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1503 24197 1 6466 30207 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:c8:85:d5 brd ff:ff:ff:ff:ff:ff inet 10.30.107.42/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86091sec preferred_lft 86091sec inet6 fe80::f816:3eff:fec8:85d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ea:87:74:ed 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:eaff:fe87:74ed/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether c2:8a:f2:38:59:36 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::c08a:f2ff:fe38:5936/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 1e:c3:15:ff:ed:f6 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::1cc3:15ff:feff:edf6/64 scope link valid_lft forever preferred_lft forever 7: vethc46fca17@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:29:8f:0d:87:eb brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::d829:8fff:fe0d:87eb/64 scope link valid_lft forever preferred_lft forever 9: veth111439aa@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 92:03:7e:64:66:d8 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::9003:7eff:fe64:66d8/64 scope link valid_lft forever preferred_lft forever 10: vetheea5b748@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b2:dd:88:3c:96:66 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::b0dd:88ff:fe3c:9666/64 scope link valid_lft forever preferred_lft forever 11: veth5dedc4bf@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:14:44:7e:b9:be brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4c14:44ff:fe7e:b9be/64 scope link valid_lft forever preferred_lft forever 12: veth50ccc67b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:24:8b:63:d3:9b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::8424:8bff:fe63:d39b/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-6316) 10/29/26 _x86_64_ (8 CPU) 17:32:50 LINUX RESTART (8 CPU) 17:33:01 tps rtps wtps bread/s bwrtn/s 17:34:01 516.26 133.58 382.69 8029.86 169894.08 17:35:01 296.58 2.52 294.07 348.48 135341.98 17:36:01 172.77 3.62 169.16 484.99 78439.73 17:37:01 108.68 20.26 88.42 741.61 36729.08 Average: 273.58 39.99 233.58 2401.23 105101.22 17:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:34:01 28039840 31196856 4899380 14.87 70948 3355452 2549504 7.74 1776860 2717164 737588 17:35:01 25256860 30582608 7682360 23.32 120756 5292928 3335652 10.13 2803840 4268748 637812 17:36:01 25934640 31097924 7004580 21.27 125888 5214368 2914644 8.85 2202052 4284852 531884 17:37:01 25079508 30900000 7859712 23.86 135404 5826432 3375288 10.25 2522920 4772232 103448 Average: 26077712 30944347 6861508 20.83 113249 4922295 3043772 9.24 2326418 4010749 502683 17:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:34:01 cni0 13.55 11.46 9.03 23.38 0.00 0.00 0.50 0.00 17:34:01 veth5a255c5f 9.62 8.90 8.64 18.71 0.00 0.00 0.00 0.00 17:34:01 veth09af2443 1.47 2.08 0.18 3.62 0.00 0.00 0.00 0.00 17:34:01 vethc46fca17 1.17 1.75 0.20 0.79 0.00 0.00 0.00 0.00 17:35:01 cni0 28.86 29.03 12.66 69.42 0.00 0.00 0.40 0.00 17:35:01 vethc46fca17 8.08 9.58 2.56 1.99 0.00 0.00 0.00 0.00 17:35:01 lo 234.89 234.89 175.53 175.53 0.00 0.00 0.00 0.00 17:35:01 veth111439aa 3.60 4.53 0.36 0.79 0.00 0.00 0.00 0.00 17:36:01 cni0 11.80 12.98 2.39 1.46 0.00 0.00 0.08 0.00 17:36:01 vethc46fca17 7.15 8.32 2.13 0.98 0.00 0.00 0.00 0.00 17:36:01 lo 16.61 16.61 4.23 4.23 0.00 0.00 0.00 0.00 17:36:01 veth111439aa 3.05 3.28 0.28 0.28 0.00 0.00 0.00 0.00 17:37:01 cni0 12.41 13.55 2.43 1.98 0.00 0.00 0.15 0.00 17:37:01 vethc46fca17 7.37 8.53 2.15 1.19 0.00 0.00 0.00 0.00 17:37:01 lo 42.73 42.73 17.38 17.38 0.00 0.00 0.00 0.00 17:37:01 veth111439aa 3.18 3.50 0.29 0.40 0.00 0.00 0.00 0.00 Average: cni0 16.66 16.76 6.63 24.06 0.00 0.00 0.28 0.00 Average: vethc46fca17 5.94 7.04 1.76 1.24 0.00 0.00 0.00 0.00 Average: lo 72.81 72.81 49.22 49.22 0.00 0.00 0.00 0.00 Average: veth111439aa 2.46 2.83 0.23 0.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6316) 10/29/26 _x86_64_ (8 CPU) 17:32:50 LINUX RESTART (8 CPU) 17:33:01 CPU %user %nice %system %iowait %steal %idle 17:34:01 all 13.61 0.73 4.26 3.06 0.01 78.32 17:34:01 0 15.29 2.97 5.21 4.49 0.02 72.03 17:34:01 1 16.71 0.00 4.39 3.16 0.02 75.73 17:34:01 2 11.97 1.44 4.16 2.93 0.02 79.47 17:34:01 3 12.66 0.00 3.56 6.58 0.00 77.20 17:34:01 4 12.52 1.39 3.75 1.14 0.00 81.20 17:34:01 5 11.85 0.02 3.65 2.27 0.00 82.21 17:34:01 6 11.94 0.00 5.25 2.30 0.00 80.52 17:34:01 7 15.95 0.00 4.16 1.64 0.00 78.25 17:35:01 all 44.67 0.00 6.94 1.26 0.02 47.12 17:35:01 0 43.76 0.00 6.53 1.83 0.03 47.85 17:35:01 1 44.86 0.00 7.61 2.82 0.02 44.70 17:35:01 2 44.20 0.00 6.45 0.81 0.00 48.54 17:35:01 3 42.99 0.00 6.52 0.22 0.02 50.25 17:35:01 4 43.30 0.00 6.84 0.13 0.02 49.71 17:35:01 5 51.51 0.00 8.16 1.97 0.03 38.32 17:35:01 6 43.12 0.00 6.49 1.47 0.02 48.90 17:35:01 7 43.62 0.00 6.85 0.79 0.02 48.73 17:36:01 all 39.68 0.19 6.98 0.82 0.02 52.31 17:36:01 0 38.32 1.49 6.95 1.23 0.02 51.99 17:36:01 1 42.48 0.00 7.36 0.07 0.00 50.09 17:36:01 2 41.70 0.00 6.72 2.38 0.02 49.18 17:36:01 3 38.79 0.00 7.25 1.27 0.02 52.68 17:36:01 4 37.56 0.00 7.53 0.13 0.00 54.78 17:36:01 5 39.47 0.00 6.79 0.17 0.03 53.53 17:36:01 6 37.41 0.00 5.79 1.25 0.03 55.52 17:36:01 7 41.69 0.00 7.52 0.03 0.02 50.74 17:37:01 all 7.87 0.00 1.99 0.75 0.01 89.38 17:37:01 0 7.06 0.00 1.66 0.77 0.02 90.50 17:37:01 1 15.23 0.00 3.04 0.35 0.03 81.35 17:37:01 2 8.28 0.00 1.93 0.37 0.02 89.40 17:37:01 3 8.16 0.00 1.93 0.12 0.02 89.78 17:37:01 4 4.78 0.00 2.15 0.37 0.02 92.69 17:37:01 5 4.91 0.00 1.55 0.91 0.00 92.63 17:37:01 6 4.50 0.00 1.94 2.88 0.00 90.69 17:37:01 7 10.01 0.00 1.69 0.25 0.00 88.04 Average: all 26.42 0.23 5.04 1.47 0.01 66.83 Average: 0 26.09 1.12 5.08 2.08 0.02 65.62 Average: 1 29.78 0.00 5.59 1.60 0.02 63.01 Average: 2 26.50 0.36 4.81 1.62 0.01 66.69 Average: 3 25.60 0.00 4.80 2.04 0.01 67.55 Average: 4 24.51 0.35 5.06 0.45 0.01 69.62 Average: 5 26.93 0.00 5.04 1.33 0.02 66.68 Average: 6 24.17 0.00 4.86 1.98 0.01 68.98 Average: 7 27.78 0.00 5.05 0.68 0.01 66.48