---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-3622 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/fd8e70dd383aef9d98e234d04b8048d7bb3deb22de0624260e07b90df710332b/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/94b6ffc7786e7f46a4e9ee9e12620d5652fb93ac551b778379656ee8deeebebd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8225f114da03d2f042bae7a4bf86f5f709d4dc216b828ba34d80d29585b79752/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b8b5f8dabf41bd9674fb919666883fea7be115c206c397b12fb0ddf0faa2ab9c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/38a3311f1b53931e90921dff875cceaf5058335be0c4aec0a2bfefdbcba019b8/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1524 24206 1 6436 30185 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:ae:6f:af brd ff:ff:ff:ff:ff:ff inet 10.30.106.96/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86072sec preferred_lft 86072sec inet6 fe80::f816:3eff:feae:6faf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7e:15:db:57 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:fe15:db57/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 36:4b:68:ff:6d:67 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::344b:68ff:feff:6d67/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 06:11:31:5b:5f:7f 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::411:31ff:fe5b:5f7f/64 scope link valid_lft forever preferred_lft forever 8: veth0b3ba6cc@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:45:ea:35:4b:ef brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::45:eaff:fe35:4bef/64 scope link valid_lft forever preferred_lft forever 9: vethb765fcdf@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:34:7a:a4:35:3d brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::9c34:7aff:fea4:353d/64 scope link valid_lft forever preferred_lft forever 10: vethf777eccb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:98:c7:0d:d5:7b brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::ac98:c7ff:fe0d:d57b/64 scope link valid_lft forever preferred_lft forever 13: vethdb69748f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 12:4f:5b:da:26:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::104f:5bff:feda:26b0/64 scope link valid_lft forever preferred_lft forever 14: veth9caa1b9e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:f7:b7:bd:1b:05 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::94f7:b7ff:febd:1b05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3622) 09/21/26 _x86_64_ (8 CPU) 05:54:43 LINUX RESTART (8 CPU) 05:55:02 tps rtps wtps bread/s bwrtn/s 05:56:01 575.63 133.74 441.89 7861.31 195308.05 05:57:01 374.59 2.78 371.80 345.68 92983.57 05:58:01 134.59 3.22 131.38 434.19 44598.43 05:59:01 170.57 20.33 150.24 774.14 72766.67 06:00:01 98.02 1.17 96.85 75.99 11006.03 Average: 269.66 31.91 237.75 1878.32 82958.11 05:55:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:56:01 27634812 31147596 5304408 16.10 74908 3694340 2640020 8.01 1819060 3056316 117272 05:57:01 25148488 30677056 7790732 23.65 139112 5464848 3280260 9.96 3059032 4102028 1111968 05:58:01 26775980 31054088 6163240 18.71 140796 4348028 2753932 8.36 2216876 3462056 194580 05:59:01 25215016 30883244 7724204 23.45 149272 5670076 3371424 10.24 2535652 4628384 38972 06:00:01 24835364 30956744 8103856 24.60 155368 6073552 3299372 10.02 2474176 5022840 237712 Average: 25921932 30943746 7017288 21.30 131891 5050169 3069002 9.32 2420959 4054325 340101 05:55:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:56:01 vethb765fcdf 1.00 1.29 0.12 0.36 0.00 0.00 0.00 0.00 05:56:01 ens3 718.35 469.06 10287.17 92.93 0.00 0.00 0.00 0.00 05:56:01 lo 188.17 188.17 122.50 122.50 0.00 0.00 0.00 0.00 05:56:01 veth241929e9 9.27 9.68 8.75 19.07 0.00 0.00 0.00 0.00 05:57:01 vethb765fcdf 2.70 3.40 0.25 0.44 0.00 0.00 0.00 0.00 05:57:01 ens3 403.35 249.79 2512.13 24.66 0.00 0.00 0.00 0.00 05:57:01 lo 49.88 49.88 55.15 55.15 0.00 0.00 0.00 0.00 05:57:01 veth9caa1b9e 5.48 4.92 1.10 1.90 0.00 0.00 0.00 0.00 05:58:01 vethb765fcdf 3.03 3.28 0.28 0.28 0.00 0.00 0.00 0.00 05:58:01 ens3 26.23 14.16 201.96 1.93 0.00 0.00 0.00 0.00 05:58:01 lo 12.78 12.78 3.79 3.79 0.00 0.00 0.00 0.00 05:58:01 veth9caa1b9e 1.47 1.62 0.12 0.20 0.00 0.00 0.00 0.00 05:59:01 vethb765fcdf 3.20 3.57 0.29 0.41 0.00 0.00 0.00 0.00 05:59:01 ens3 346.36 178.17 6108.14 20.24 0.00 0.00 0.00 0.00 05:59:01 lo 45.09 45.09 17.33 17.33 0.00 0.00 0.00 0.00 05:59:01 veth9caa1b9e 1.60 1.90 0.13 0.42 0.00 0.00 0.00 0.00 06:00:01 vethb765fcdf 3.08 3.25 0.28 0.28 0.00 0.00 0.00 0.00 06:00:01 ens3 98.50 63.22 1456.50 10.87 0.00 0.00 0.00 0.00 06:00:01 lo 19.86 19.86 4.88 4.88 0.00 0.00 0.00 0.00 06:00:01 veth9caa1b9e 1.40 1.45 0.12 0.19 0.00 0.00 0.00 0.00 Average: vethb765fcdf 2.61 2.96 0.25 0.36 0.00 0.00 0.00 0.00 Average: ens3 317.22 193.96 4092.53 29.92 0.00 0.00 0.00 0.00 Average: lo 62.74 62.74 40.45 40.45 0.00 0.00 0.00 0.00 Average: veth9caa1b9e 2.00 1.98 0.30 0.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-3622) 09/21/26 _x86_64_ (8 CPU) 05:54:43 LINUX RESTART (8 CPU) 05:55:02 CPU %user %nice %system %iowait %steal %idle 05:56:01 all 14.88 0.58 5.03 3.44 0.01 76.06 05:56:01 0 13.80 1.46 5.77 1.67 0.00 77.30 05:56:01 1 14.69 3.12 4.66 1.09 0.00 76.45 05:56:01 2 16.42 0.00 5.45 4.20 0.00 73.94 05:56:01 3 14.14 0.02 4.32 1.92 0.00 79.60 05:56:01 4 13.24 0.00 5.19 4.84 0.00 76.73 05:56:01 5 12.92 0.00 4.23 9.65 0.00 73.21 05:56:01 6 22.49 0.00 5.73 2.67 0.02 69.09 05:56:01 7 11.38 0.00 4.89 1.54 0.00 82.19 05:57:01 all 40.79 0.00 6.50 1.95 0.02 50.74 05:57:01 0 41.49 0.00 7.17 1.72 0.02 49.61 05:57:01 1 40.84 0.00 6.22 2.20 0.02 50.71 05:57:01 2 41.39 0.00 6.71 3.35 0.02 48.53 05:57:01 3 42.02 0.00 5.90 1.35 0.02 50.72 05:57:01 4 38.93 0.00 6.17 2.11 0.02 52.77 05:57:01 5 39.04 0.00 6.53 1.71 0.02 52.71 05:57:01 6 40.98 0.00 6.90 2.04 0.02 50.07 05:57:01 7 41.64 0.00 6.41 1.15 0.03 50.78 05:58:01 all 39.65 0.20 6.01 0.46 0.01 53.67 05:58:01 0 40.91 0.00 6.07 0.02 0.02 52.98 05:58:01 1 38.39 1.48 5.96 0.20 0.02 53.95 05:58:01 2 37.84 0.08 7.02 1.19 0.02 53.84 05:58:01 3 36.05 0.00 5.18 0.02 0.00 58.76 05:58:01 4 44.41 0.00 6.57 0.10 0.02 48.90 05:58:01 5 41.33 0.00 6.26 2.00 0.02 50.39 05:58:01 6 38.39 0.00 5.45 0.08 0.02 56.06 05:58:01 7 39.89 0.00 5.58 0.03 0.00 54.50 05:59:01 all 8.47 0.00 3.34 1.12 0.01 87.07 05:59:01 0 4.93 0.00 3.13 0.54 0.00 91.40 05:59:01 1 10.59 0.00 3.77 0.30 0.02 85.33 05:59:01 2 9.31 0.00 3.04 1.47 0.02 86.17 05:59:01 3 14.18 0.00 3.77 2.31 0.02 79.72 05:59:01 4 5.98 0.00 3.29 1.91 0.00 88.81 05:59:01 5 7.36 0.00 4.04 0.12 0.02 88.47 05:59:01 6 6.18 0.00 2.72 0.55 0.00 90.54 05:59:01 7 9.31 0.00 2.94 1.75 0.02 85.99 06:00:01 all 11.65 0.00 1.36 0.52 0.01 86.46 06:00:01 0 25.41 0.00 1.80 0.84 0.00 71.95 06:00:01 1 8.28 0.00 1.32 0.02 0.00 90.38 06:00:01 2 6.54 0.00 1.19 0.12 0.00 92.15 06:00:01 3 18.43 0.00 1.80 0.28 0.02 79.47 06:00:01 4 19.74 0.00 1.51 0.23 0.02 78.50 06:00:01 5 4.93 0.00 1.17 1.21 0.00 92.69 06:00:01 6 6.30 0.00 0.89 0.00 0.02 92.79 06:00:01 7 3.44 0.00 1.19 1.49 0.00 93.87 Average: all 23.10 0.15 4.44 1.49 0.01 70.80 Average: 0 25.33 0.29 4.78 0.95 0.01 68.64 Average: 1 22.56 0.91 4.38 0.76 0.01 71.37 Average: 2 22.32 0.02 4.68 2.06 0.01 70.92 Average: 3 25.00 0.00 4.19 1.17 0.01 69.63 Average: 4 24.48 0.00 4.54 1.83 0.01 69.14 Average: 5 21.12 0.00 4.44 2.91 0.01 71.51 Average: 6 22.85 0.00 4.33 1.06 0.01 71.75 Average: 7 21.15 0.00 4.20 1.19 0.01 73.45