---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6693 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 nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 16G 0 16G 0% /dev tmpfs 3.2G 2.1M 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 4.0K 3.2G 1% /run/user/1001 shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/aec396941733f0127e947e4d3f726eb7beab97c7120e351179d016e5bbc36be7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/621a049e774611582fe77fc2ac2de6ea4c57399cec0a94dc4d6b605bd4e4e995/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e1a404ed2320a21f7a8b8decdd38c74f8b96a47c94aa5f9445c31266c7acf854/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f34e3ed08f6f8b2f6e3bcdc4b6f17b199b7a0193446ea2aaf4086671a39f963a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/fed2615e835225572c948fe02d428e8fdfeadf3f78c2b615732e46ab2e69bd89/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1656 23942 2 6568 30053 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:40:af:d7 brd ff:ff:ff:ff:ff:ff inet 10.30.106.153/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86028sec preferred_lft 86028sec inet6 fe80::f816:3eff:fe40:afd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:79:51:a7 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:d8ff:fe79:51a7/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 9e:d3:93:9d:02:f3 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::9cd3:93ff:fe9d:2f3/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ca:0c:4c:f4:97:8f 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::c80c:4cff:fef4:978f/64 scope link valid_lft forever preferred_lft forever 6: vetha4b0aa4b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether d6:ed:e8:88:87:af brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::d4ed:e8ff:fe88:87af/64 scope link valid_lft forever preferred_lft forever 10: veth38a1d05c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:b9:8c:a4:54:e7 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e0b9:8cff:fea4:54e7/64 scope link valid_lft forever preferred_lft forever 12: vetha36310cb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 26:67:d4:af:34:91 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::2467:d4ff:feaf:3491/64 scope link valid_lft forever preferred_lft forever 13: veth54b556ea@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ba:13:58:89:57:34 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b813:58ff:fe89:5734/64 scope link valid_lft forever preferred_lft forever 14: veth72d1ed20@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:ed:6c:41:9e:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::44ed:6cff:fe41:9eb0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6693) 10/27/25 _x86_64_ (8 CPU) 12:26:10 LINUX RESTART (8 CPU) 12:27:02 tps rtps wtps bread/s bwrtn/s 12:28:01 462.47 84.51 377.96 3754.12 131700.71 12:29:01 224.32 0.20 224.12 1.60 102093.60 12:30:01 117.23 3.52 113.71 482.51 71556.15 12:31:01 110.86 19.95 90.92 744.41 37139.28 12:32:01 124.90 2.53 122.36 93.05 10920.85 Average: 207.11 21.94 185.17 1006.09 70479.10 12:27:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 27152004 31036708 5787216 17.57 113160 3927732 2781816 8.45 2049660 3216112 363512 12:29:01 25976856 30953216 6962364 21.14 130188 4942824 2891260 8.78 2552088 3807904 311140 12:30:01 26040220 30981584 6899000 20.94 134652 4995604 2914160 8.85 2341404 4042000 312832 12:31:01 24879908 30803960 8059312 24.47 180088 5890996 3554088 10.79 2721252 4768456 33556 12:32:01 24545836 30794128 8393384 25.48 189644 6167504 3553616 10.79 2751024 5032232 121944 Average: 25718965 30913919 7220255 21.92 149546 5184932 3138988 9.53 2483086 4173341 228597 12:27:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 lo 209.64 209.64 219.12 219.12 0.00 0.00 0.00 0.00 12:28:01 vetha36310cb 0.47 0.71 0.09 0.15 0.00 0.00 0.00 0.00 12:28:01 veth38a1d05c 1.51 2.03 0.42 0.85 0.00 0.00 0.00 0.00 12:28:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 veth54b556ea 0.15 0.47 0.01 0.04 0.00 0.00 0.00 0.00 12:29:01 lo 53.05 53.05 65.55 65.55 0.00 0.00 0.00 0.00 12:29:01 veth72d1ed20 4.10 3.23 0.76 2.09 0.00 0.00 0.00 0.00 12:29:01 vetha36310cb 0.13 0.55 0.01 0.05 0.00 0.00 0.00 0.00 12:30:01 veth54b556ea 0.03 0.10 0.00 0.01 0.00 0.00 0.00 0.00 12:30:01 lo 17.43 17.43 4.58 4.58 0.00 0.00 0.00 0.00 12:30:01 veth72d1ed20 1.37 1.60 0.11 0.19 0.00 0.00 0.00 0.00 12:30:01 vetha36310cb 0.13 0.20 0.01 0.02 0.00 0.00 0.00 0.00 12:31:01 veth54b556ea 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:31:01 lo 41.24 41.24 15.90 15.90 0.00 0.00 0.00 0.00 12:31:01 veth72d1ed20 1.57 1.75 0.12 0.39 0.00 0.00 0.00 0.00 12:31:01 vetha36310cb 0.12 0.23 0.01 0.02 0.00 0.00 0.00 0.00 12:32:01 veth54b556ea 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 lo 21.23 21.23 6.20 6.20 0.00 0.00 0.00 0.00 12:32:01 veth72d1ed20 1.43 1.58 0.11 0.41 0.00 0.00 0.00 0.00 12:32:01 vetha36310cb 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: veth54b556ea 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 68.05 68.05 61.75 61.75 0.00 0.00 0.00 0.00 Average: veth72d1ed20 1.70 1.64 0.22 0.62 0.00 0.00 0.00 0.00 Average: vetha36310cb 0.19 0.36 0.02 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6693) 10/27/25 _x86_64_ (8 CPU) 12:26:10 LINUX RESTART (8 CPU) 12:27:02 CPU %user %nice %system %iowait %steal %idle 12:28:01 all 11.97 0.28 4.52 10.17 0.09 72.97 12:28:01 0 11.10 0.00 4.32 5.62 0.09 78.88 12:28:01 1 11.97 0.00 5.32 11.63 0.12 70.96 12:28:01 2 11.62 0.00 4.11 13.42 0.09 70.77 12:28:01 3 11.87 0.00 5.19 9.30 0.10 73.53 12:28:01 4 11.92 1.80 3.85 10.71 0.10 71.62 12:28:01 5 10.57 0.44 3.70 13.50 0.09 71.70 12:28:01 6 13.00 0.02 4.49 6.49 0.07 75.94 12:28:01 7 13.71 0.00 5.27 10.64 0.10 70.28 12:29:01 all 35.86 0.00 4.89 4.56 0.12 54.58 12:29:01 0 35.07 0.00 4.56 5.25 0.10 55.02 12:29:01 1 41.59 0.00 5.31 2.86 0.12 50.12 12:29:01 2 42.43 0.00 5.17 5.81 0.10 46.50 12:29:01 3 35.41 0.00 5.51 7.91 0.14 51.03 12:29:01 4 31.61 0.00 4.20 2.29 0.10 61.79 12:29:01 5 30.47 0.00 4.82 7.18 0.12 57.41 12:29:01 6 34.23 0.00 4.15 1.40 0.12 60.10 12:29:01 7 36.01 0.00 5.37 3.81 0.12 54.69 12:30:01 all 30.93 0.23 5.41 3.36 0.11 59.97 12:30:01 0 33.20 1.82 5.99 5.56 0.10 53.33 12:30:01 1 31.35 0.00 5.40 1.86 0.12 61.27 12:30:01 2 31.69 0.00 5.66 1.64 0.12 60.90 12:30:01 3 27.75 0.00 5.11 10.98 0.10 56.06 12:30:01 4 30.53 0.02 6.49 3.24 0.12 59.61 12:30:01 5 30.31 0.00 5.02 3.50 0.10 61.07 12:30:01 6 29.73 0.00 4.80 0.10 0.12 65.25 12:30:01 7 32.86 0.00 4.74 0.05 0.10 62.25 12:31:01 all 6.09 0.00 2.80 2.82 0.08 88.21 12:31:01 0 7.39 0.00 4.45 1.41 0.08 86.67 12:31:01 1 9.91 0.00 2.70 0.71 0.08 86.59 12:31:01 2 4.38 0.00 3.22 1.98 0.07 90.35 12:31:01 3 5.41 0.00 2.05 3.96 0.08 88.50 12:31:01 4 6.24 0.00 2.20 2.02 0.08 89.46 12:31:01 5 6.70 0.00 3.27 2.64 0.10 87.29 12:31:01 6 4.14 0.00 1.99 0.10 0.05 93.72 12:31:01 7 4.51 0.00 2.50 9.74 0.10 83.16 12:32:01 all 11.68 0.00 1.26 0.90 0.08 86.08 12:32:01 0 17.68 0.00 1.30 1.34 0.08 79.60 12:32:01 1 19.76 0.00 1.42 1.45 0.08 77.28 12:32:01 2 9.55 0.00 1.30 1.10 0.07 87.98 12:32:01 3 7.27 0.00 1.02 1.77 0.08 89.85 12:32:01 4 13.95 0.00 1.37 0.30 0.07 84.31 12:32:01 5 11.80 0.00 1.74 0.99 0.07 85.41 12:32:01 6 4.66 0.00 0.94 0.05 0.05 94.30 12:32:01 7 8.79 0.00 0.97 0.18 0.10 89.95 Average: all 19.31 0.10 3.77 4.34 0.09 72.39 Average: 0 20.91 0.36 4.12 3.82 0.09 70.69 Average: 1 22.95 0.00 4.02 3.66 0.10 69.26 Average: 2 19.93 0.00 3.89 4.75 0.09 71.34 Average: 3 17.53 0.00 3.77 6.77 0.10 71.84 Average: 4 18.86 0.36 3.62 3.68 0.09 73.39 Average: 5 17.97 0.09 3.70 5.53 0.09 72.62 Average: 6 17.18 0.00 3.27 1.61 0.08 77.85 Average: 7 19.19 0.00 3.76 4.86 0.10 72.08