---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-961 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 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/cd920ad6135af2aea132773c4062084dedfdeddce190c6562e8a8a746d8a838a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f4777d7a0043bcf68ed6ba75664caec31ac80fe5fcbc970059ceee69f3388b07/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b12b3374c8f5da26176f1e90474bb2e7945a96322ed91240ab6237d7f83a0958/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b1ea8a8bbd237f796ecff5b2ee7e4aedabe75811eb68daf06ccfc4e1380c0c0c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6f3209a8cc59d9df8f9d130ff3426c0b7528c84504cca36074ed9051a382079b/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25202 /dev/loop1 67M 67M 0 100% /snap/core24/1151 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1630 23780 2 6756 30083 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:19:f6:e0 brd ff:ff:ff:ff:ff:ff inet 10.30.107.14/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85896sec preferred_lft 85896sec inet6 fe80::f816:3eff:fe19:f6e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ab:2a:ea:85 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:abff:fe2a:ea85/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether e6:17:86:d9:ba:9e 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::e417:86ff:fed9:ba9e/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 3a:c8:bb:52:51:e2 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::38c8:bbff:fe52:51e2/64 scope link valid_lft forever preferred_lft forever 6: veth3ad2dbe4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:3d:8d:8b:62:ba brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::843d:8dff:fe8b:62ba/64 scope link valid_lft forever preferred_lft forever 7: veth5be7cb10@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:b9:91:8c:1d:f9 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::64b9:91ff:fe8c:1df9/64 scope link valid_lft forever preferred_lft forever 8: vethd8fa1c79@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether c2:d4:ea:c5:fd:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::c0d4:eaff:fec5:fdb0/64 scope link valid_lft forever preferred_lft forever 13: veth97004fef@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b2:11:e7:a5:a5:c8 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b011:e7ff:fea5:a5c8/64 scope link valid_lft forever preferred_lft forever 14: veth54c46db3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:ef:e1:d8:1a:3b brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::40ef:e1ff:fed8:1a3b/64 scope link valid_lft forever preferred_lft forever 19: br-ea430a5d546c: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:5d:32:63:ba brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-ea430a5d546c valid_lft forever preferred_lft forever inet6 fe80::42:5dff:fe32:63ba/64 scope link valid_lft forever preferred_lft forever 23: vethe5eecbc@if22: mtu 1500 qdisc noqueue master br-ea430a5d546c state UP group default link/ether 12:c3:9b:52:d2:16 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::10c3:9bff:fe52:d216/64 scope link valid_lft forever preferred_lft forever 25: veth7940173@if24: mtu 1500 qdisc noqueue master br-ea430a5d546c state UP group default link/ether b6:ec:15:cb:cf:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::b4ec:15ff:fecb:cfc2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-961) 09/29/25 _x86_64_ (8 CPU) 05:23:07 LINUX RESTART (8 CPU) 05:24:02 tps rtps wtps bread/s bwrtn/s 05:25:01 551.54 42.97 508.57 2255.64 152298.48 05:26:01 85.39 0.00 85.39 0.00 76674.55 05:27:01 173.45 4.13 169.32 576.30 112026.13 05:28:01 20.95 1.72 19.23 53.19 4531.64 05:29:01 4.20 0.00 4.20 0.00 109.05 05:30:01 25.73 0.30 25.43 3.60 2183.24 05:31:01 97.82 20.31 77.50 756.41 9537.48 Average: 136.03 9.84 126.19 516.64 50812.33 05:24:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:25:01 26414272 30908368 6524948 19.81 129700 4442600 3890436 11.81 2322936 3619496 96360 05:26:01 25342556 30591308 7596664 23.06 134196 5180844 4100584 12.45 3031968 3947524 485084 05:27:01 25346540 30975452 7592680 23.05 140452 5647412 3815332 11.58 2468160 4575588 996 05:28:01 25071024 30879908 7868196 23.89 153296 5805120 4308868 13.08 2698272 4600540 464 05:29:01 25071168 30880768 7868052 23.89 153468 5805540 4351656 13.21 2699204 4600896 292 05:30:01 24810224 30866444 8128996 24.68 181136 6013264 4183572 12.70 2768488 4776736 97204 05:31:01 24436324 30801668 8502896 25.81 193732 6276808 4224420 12.82 2869216 5017732 177176 Average: 25213158 30843417 7726062 23.46 155140 5595941 4124981 12.52 2694035 4448359 122511 05:24:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:25:01 ens3 647.83 395.68 11063.81 38.43 0.00 0.00 0.00 0.00 05:25:01 veth3ad2dbe4 5.86 7.39 2.26 2.71 0.00 0.00 0.00 0.00 05:25:01 veth97004fef 0.14 0.42 0.01 0.03 0.00 0.00 0.00 0.00 05:25:01 docker0 165.23 265.05 12.57 1279.08 0.00 0.00 0.00 0.00 05:26:01 ens3 1.45 1.60 0.84 0.37 0.00 0.00 0.00 0.00 05:26:01 veth3ad2dbe4 6.60 8.15 2.55 1.75 0.00 0.00 0.00 0.00 05:26:01 veth97004fef 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 05:26:01 docker0 0.62 0.72 0.04 0.67 0.00 0.00 0.00 0.00 05:27:01 ens3 190.62 116.68 5890.29 10.68 0.00 0.00 0.00 0.00 05:27:01 veth3ad2dbe4 7.18 8.42 2.78 1.70 0.00 0.00 0.00 0.00 05:27:01 veth97004fef 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 05:28:01 ens3 173.77 114.78 2021.11 7.98 0.00 0.00 0.00 0.00 05:28:01 veth3ad2dbe4 7.25 8.40 2.78 1.70 0.00 0.00 0.00 0.00 05:28:01 veth97004fef 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 ens3 0.58 0.50 0.24 0.44 0.00 0.00 0.00 0.00 05:29:01 veth3ad2dbe4 7.30 8.27 2.78 1.70 0.00 0.00 0.00 0.00 05:29:01 veth97004fef 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 ens3 62.26 35.08 729.48 4.51 0.00 0.00 0.00 0.00 05:30:01 veth3ad2dbe4 7.32 8.62 2.80 1.78 0.00 0.00 0.00 0.00 05:30:01 veth97004fef 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 ens3 63.81 48.76 987.25 11.53 0.00 0.00 0.00 0.00 05:31:01 veth3ad2dbe4 7.62 8.48 2.81 1.87 0.00 0.00 0.00 0.00 05:31:01 veth97004fef 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 161.76 101.17 2936.99 10.50 0.00 0.00 0.00 0.00 Average: veth3ad2dbe4 7.02 8.25 2.68 1.88 0.00 0.00 0.00 0.00 Average: veth97004fef 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 Average: docker0 23.37 37.44 1.78 180.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-961) 09/29/25 _x86_64_ (8 CPU) 05:23:07 LINUX RESTART (8 CPU) 05:24:02 CPU %user %nice %system %iowait %steal %idle 05:25:01 all 19.66 0.00 6.72 5.85 0.09 67.68 05:25:01 0 19.17 0.00 6.62 2.24 0.09 71.89 05:25:01 1 20.21 0.00 7.31 4.79 0.09 67.60 05:25:01 2 18.46 0.00 6.65 8.01 0.12 66.76 05:25:01 3 18.58 0.00 6.24 3.97 0.10 71.11 05:25:01 4 19.19 0.00 7.37 11.61 0.09 61.74 05:25:01 5 22.31 0.00 6.34 5.77 0.09 65.49 05:25:01 6 19.53 0.00 6.34 2.48 0.09 71.55 05:25:01 7 19.80 0.00 6.85 7.94 0.09 65.31 05:26:01 all 49.78 0.00 6.01 1.10 0.11 43.00 05:26:01 0 49.49 0.00 5.74 0.03 0.12 44.61 05:26:01 1 48.75 0.00 5.82 0.02 0.10 45.30 05:26:01 2 46.90 0.00 5.45 1.16 0.10 46.38 05:26:01 3 51.92 0.00 6.85 2.12 0.10 39.01 05:26:01 4 50.09 0.00 6.19 3.62 0.12 39.98 05:26:01 5 50.11 0.00 6.51 1.23 0.10 42.05 05:26:01 6 50.82 0.00 5.46 0.00 0.10 43.61 05:26:01 7 50.09 0.00 6.10 0.66 0.12 43.03 05:27:01 all 21.11 0.22 5.27 2.52 0.08 70.81 05:27:01 0 25.28 0.02 5.24 4.78 0.10 64.58 05:27:01 1 17.97 0.00 5.24 2.64 0.08 74.07 05:27:01 2 20.09 0.00 4.43 0.15 0.08 75.24 05:27:01 3 19.22 0.00 4.90 3.79 0.07 72.01 05:27:01 4 19.53 0.00 4.67 4.77 0.07 70.97 05:27:01 5 22.82 0.00 5.40 0.91 0.08 70.79 05:27:01 6 20.60 1.74 5.31 0.35 0.08 71.91 05:27:01 7 23.38 0.00 6.91 2.75 0.08 66.88 05:28:01 all 1.81 0.00 1.11 0.26 0.06 96.76 05:28:01 0 1.32 0.00 0.77 0.49 0.05 97.37 05:28:01 1 1.58 0.00 0.87 0.02 0.03 97.50 05:28:01 2 1.59 0.00 0.92 0.03 0.07 97.39 05:28:01 3 2.01 0.00 1.15 0.65 0.08 96.10 05:28:01 4 3.03 0.00 1.04 0.72 0.07 95.14 05:28:01 5 1.38 0.00 0.97 0.00 0.05 97.60 05:28:01 6 1.91 0.00 2.31 0.10 0.05 95.63 05:28:01 7 1.64 0.00 0.85 0.02 0.07 97.42 05:29:01 all 1.27 0.00 0.46 0.01 0.05 98.21 05:29:01 0 1.39 0.00 0.59 0.02 0.05 97.96 05:29:01 1 0.94 0.00 0.57 0.00 0.03 98.46 05:29:01 2 1.11 0.00 0.32 0.00 0.05 98.53 05:29:01 3 1.77 0.00 0.45 0.03 0.05 97.69 05:29:01 4 1.11 0.00 0.39 0.02 0.05 98.44 05:29:01 5 1.20 0.00 0.54 0.02 0.07 98.18 05:29:01 6 1.29 0.00 0.40 0.00 0.05 98.26 05:29:01 7 1.36 0.00 0.44 0.00 0.07 98.14 05:30:01 all 2.06 0.00 1.05 0.20 0.06 96.62 05:30:01 0 2.44 0.00 0.95 0.15 0.07 96.38 05:30:01 1 1.94 0.00 1.12 0.05 0.05 96.84 05:30:01 2 1.98 0.00 1.81 0.07 0.05 96.10 05:30:01 3 2.38 0.00 0.74 0.02 0.08 96.78 05:30:01 4 1.88 0.00 0.82 0.45 0.07 96.78 05:30:01 5 1.83 0.00 0.69 0.07 0.07 97.35 05:30:01 6 1.98 0.00 0.92 0.75 0.08 96.26 05:30:01 7 2.03 0.00 1.39 0.10 0.07 96.41 05:31:01 all 10.34 0.00 1.18 0.71 0.07 87.71 05:31:01 0 10.96 0.00 1.44 0.77 0.07 86.77 05:31:01 1 4.29 0.00 1.17 0.20 0.07 94.27 05:31:01 2 15.37 0.00 1.14 1.49 0.07 81.93 05:31:01 3 24.79 0.00 1.79 0.42 0.07 72.94 05:31:01 4 11.34 0.00 1.20 0.94 0.07 86.45 05:31:01 5 8.54 0.00 0.90 0.20 0.05 90.31 05:31:01 6 5.55 0.00 1.02 1.22 0.07 92.14 05:31:01 7 1.79 0.00 0.71 0.45 0.08 96.97 Average: all 15.10 0.03 3.10 1.50 0.08 80.20 Average: 0 15.67 0.00 3.03 1.20 0.08 80.02 Average: 1 13.61 0.00 3.14 1.09 0.06 82.10 Average: 2 15.03 0.00 2.94 1.54 0.08 80.41 Average: 3 17.21 0.00 3.15 1.56 0.08 78.00 Average: 4 15.12 0.00 3.08 3.12 0.07 78.60 Average: 5 15.40 0.00 3.03 1.15 0.07 80.34 Average: 6 14.48 0.25 3.09 0.70 0.07 81.41 Average: 7 14.26 0.00 3.30 1.68 0.08 80.68