---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6258 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/d7141546064e8550d23e0131078992be123ef3893a0995872de1c12d0b799483/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1540e20e818f53141c2d5a4a1e2877ca7724b812e720aaaa234732288c80adc7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d70af8bc7016b7ab482662eb5be8666cb30f1d1ec67dd42ca37800657ec8b787/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/07c11f79ddb303bfcdbe3ea60818d07916a182e862fbc67fe95a58862977296a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/acf7b1d88dd27a8388bc6f29a6e784d05fe794220c38a64ab6841d2f7c765d6c/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1502 24198 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:53:ee:c7 brd ff:ff:ff:ff:ff:ff inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:fe53:eec7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:e0:2e:60 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::42:81ff:fee0:2e60/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether c6:42:d0:1d:3b:0b 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::c442:d0ff:fe1d:3b0b/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 5e:d7:ad:dc:fc:d1 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::5cd7:adff:fedc:fcd1/64 scope link valid_lft forever preferred_lft forever 7: veth8339e00b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f6:38:ab:1a:75:66 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f438:abff:fe1a:7566/64 scope link valid_lft forever preferred_lft forever 8: veth771c38d5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:8f:5d:72:4e:6b brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::408f:5dff:fe72:4e6b/64 scope link valid_lft forever preferred_lft forever 9: vethee030be2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fa:f5:bf:e3:3c:d5 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::f8f5:bfff:fee3:3cd5/64 scope link valid_lft forever preferred_lft forever 11: vethe1bf95b1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:9f:ad:63:89:a6 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::109f:adff:fe63:89a6/64 scope link valid_lft forever preferred_lft forever 12: veth580286f7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:82:14:8a:4b:2d brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::3482:14ff:fe8a:4b2d/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-6258) 10/29/26 _x86_64_ (8 CPU) 14:31:51 LINUX RESTART (8 CPU) 14:32:01 tps rtps wtps bread/s bwrtn/s 14:33:01 429.74 133.44 296.30 7985.87 130890.90 14:34:01 343.36 3.23 340.13 377.14 155701.78 14:35:01 131.14 3.25 127.90 436.59 64462.99 14:36:01 168.77 20.38 148.39 772.67 73299.65 14:37:01 95.02 1.13 93.88 72.12 11099.22 Average: 233.61 32.29 201.32 1929.08 87092.37 14:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:33:01 28743624 31290764 4195596 12.74 61536 2772944 2398336 7.28 1649452 2177716 550712 14:34:01 25915144 30955036 7024076 21.32 120688 5011636 2905056 8.82 2271916 4142280 528028 14:35:01 26463540 31098800 6475680 19.66 122260 4712072 2555740 7.76 2157180 3821992 507832 14:36:01 25220868 30929288 7718352 23.43 132588 5723468 3259436 9.90 2474280 4680316 48600 14:37:01 24806156 30958176 8133064 24.69 140300 6115984 3248644 9.86 2462096 5063644 231628 Average: 26229866 31046413 6709354 20.37 115474 4867221 2873442 8.72 2202985 3977190 373360 14:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:01 veth8339e00b 0.10 0.45 0.01 0.04 0.00 0.00 0.00 0.00 14:33:01 cni0 0.43 0.07 0.03 0.01 0.00 0.00 0.42 0.00 14:33:01 veth035c073c 0.10 0.55 0.01 0.05 0.00 0.00 0.00 0.00 14:34:01 docker0 99.23 161.82 7.70 1494.06 0.00 0.00 0.00 0.00 14:34:01 veth580286f7 5.73 5.02 1.13 1.92 0.00 0.00 0.00 0.00 14:34:01 veth8339e00b 0.48 1.05 0.09 0.18 0.00 0.00 0.00 0.00 14:34:01 cni0 40.83 40.61 21.54 92.79 0.00 0.00 0.48 0.00 14:35:01 docker0 0.48 0.55 0.04 0.43 0.00 0.00 0.00 0.00 14:35:01 veth580286f7 1.47 1.58 0.12 0.20 0.00 0.00 0.00 0.00 14:35:01 veth8339e00b 0.12 0.15 0.01 0.02 0.00 0.00 0.00 0.00 14:35:01 cni0 11.85 13.33 2.39 1.48 0.00 0.00 0.07 0.00 14:36:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 14:36:01 veth580286f7 1.55 1.95 0.13 0.42 0.00 0.00 0.00 0.00 14:36:01 veth8339e00b 0.10 0.25 0.01 0.03 0.00 0.00 0.00 0.00 14:36:01 cni0 12.38 13.63 2.43 1.99 0.00 0.00 0.17 0.00 14:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:37:01 veth580286f7 1.52 1.55 0.13 0.19 0.00 0.00 0.00 0.00 14:37:01 veth8339e00b 0.12 0.10 0.01 0.02 0.00 0.00 0.00 0.00 14:37:01 cni0 11.95 13.30 2.39 1.48 0.00 0.00 0.02 0.00 Average: docker0 19.94 32.48 1.55 298.89 0.00 0.00 0.00 0.00 Average: veth580286f7 2.05 2.02 0.30 0.55 0.00 0.00 0.00 0.00 Average: veth8339e00b 0.18 0.40 0.02 0.06 0.00 0.00 0.00 0.00 Average: cni0 15.49 16.19 5.76 19.55 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6258) 10/29/26 _x86_64_ (8 CPU) 14:31:51 LINUX RESTART (8 CPU) 14:32:01 CPU %user %nice %system %iowait %steal %idle 14:33:01 all 11.57 0.56 3.43 2.65 0.01 81.77 14:33:01 0 10.42 3.01 4.36 0.73 0.02 81.47 14:33:01 1 12.02 0.00 2.68 1.76 0.02 83.52 14:33:01 2 9.72 0.00 3.42 0.67 0.00 86.19 14:33:01 3 9.95 0.00 3.32 3.35 0.00 83.38 14:33:01 4 13.54 0.00 3.71 5.82 0.02 76.91 14:33:01 5 9.23 0.00 3.19 0.76 0.00 86.83 14:33:01 6 13.81 0.00 3.23 5.71 0.02 77.23 14:33:01 7 13.90 1.48 3.51 2.37 0.00 78.74 14:34:01 all 47.99 0.00 8.07 1.71 0.02 42.22 14:34:01 0 47.47 0.00 8.19 3.79 0.00 40.55 14:34:01 1 50.98 0.00 7.23 3.46 0.02 38.32 14:34:01 2 46.64 0.00 8.31 0.64 0.03 44.37 14:34:01 3 46.53 0.00 8.15 1.01 0.02 44.29 14:34:01 4 48.80 0.00 8.47 0.57 0.03 42.12 14:34:01 5 48.17 0.00 8.10 1.66 0.02 42.05 14:34:01 6 47.30 0.00 8.33 0.96 0.03 43.38 14:34:01 7 48.00 0.00 7.80 1.55 0.02 42.64 14:35:01 all 43.23 0.26 6.60 0.58 0.02 49.30 14:35:01 0 44.00 0.00 6.74 0.39 0.02 48.86 14:35:01 1 47.53 0.00 7.66 0.64 0.02 44.15 14:35:01 2 39.93 0.35 6.53 1.38 0.02 51.80 14:35:01 3 43.76 0.00 5.70 0.02 0.02 50.51 14:35:01 4 42.58 1.19 6.94 0.50 0.03 48.76 14:35:01 5 41.43 0.00 6.14 1.04 0.03 51.35 14:35:01 6 41.34 0.54 6.37 0.29 0.02 51.45 14:35:01 7 45.32 0.00 6.69 0.37 0.03 47.58 14:36:01 all 8.68 0.00 3.10 1.11 0.01 87.09 14:36:01 0 4.89 0.00 3.74 4.31 0.02 87.05 14:36:01 1 7.77 0.00 2.98 1.74 0.02 87.50 14:36:01 2 6.31 0.00 3.27 0.23 0.02 90.17 14:36:01 3 9.10 0.00 2.60 0.24 0.02 88.05 14:36:01 4 9.03 0.00 3.03 0.49 0.00 87.46 14:36:01 5 6.24 0.00 2.76 0.44 0.00 90.56 14:36:01 6 17.87 0.00 3.51 0.39 0.00 78.24 14:36:01 7 8.26 0.00 2.95 1.06 0.02 87.71 14:37:01 all 11.43 0.00 1.32 0.53 0.01 86.70 14:37:01 0 4.14 0.00 1.13 0.05 0.00 94.68 14:37:01 1 4.14 0.00 1.29 0.37 0.02 94.18 14:37:01 2 1.61 0.00 0.79 1.47 0.02 96.12 14:37:01 3 2.71 0.00 0.68 0.08 0.00 96.53 14:37:01 4 17.11 0.00 1.33 0.20 0.02 81.34 14:37:01 5 17.27 0.00 1.40 0.25 0.02 81.06 14:37:01 6 35.02 0.00 2.50 0.17 0.02 62.30 14:37:01 7 9.36 0.00 1.35 1.69 0.00 87.59 Average: all 24.54 0.17 4.50 1.31 0.02 69.47 Average: 0 22.13 0.60 4.82 1.85 0.01 70.58 Average: 1 24.45 0.00 4.37 1.59 0.02 69.57 Average: 2 20.79 0.07 4.46 0.88 0.02 73.78 Average: 3 22.38 0.00 4.08 0.94 0.01 72.59 Average: 4 26.15 0.24 4.69 1.52 0.02 67.39 Average: 5 24.43 0.00 4.31 0.83 0.01 70.42 Average: 6 31.05 0.11 4.78 1.50 0.02 62.54 Average: 7 24.94 0.30 4.46 1.41 0.01 68.88