---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46363 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 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/e4b3fbfa3a3015467b547007c23a6ea38d65c6fb72710c5c7a933ebf58a5f49d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f602b8c0576ad92c681096f7746f612fa08e85efee89763415e7dae17ea8dd9a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/cefc390a14f37b888420098de1f840acebc9c1ee1e0c7f9ac851470d18ea1360/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/4fe7e8fdb6fbfa54b197bfbb4a759fe5f028f27dc4c2c63cca277a508dfa8ecd/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d2cfcb3586c1d1a60aa9869b34eda2be17c6fc64145092fec734770f38869857/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1627 24021 1 6518 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:68:17:3d brd ff:ff:ff:ff:ff:ff inet 10.30.106.46/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86021sec preferred_lft 86021sec inet6 fe80::f816:3eff:fe68:173d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b4:b6:0c:0e 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:b4ff:feb6:c0e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 02:d5:b3:54:4e:e5 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::d5:b3ff:fe54:4ee5/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 6a:b8:54:e2:cd:a4 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::68b8:54ff:fee2:cda4/64 scope link valid_lft forever preferred_lft forever 7: veth3b7f16f6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 76:5f:83:35:54:b1 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::745f:83ff:fe35:54b1/64 scope link valid_lft forever preferred_lft forever 9: vethf3e6667f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 42:02:d6:a9:4f:2b brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::4002:d6ff:fea9:4f2b/64 scope link valid_lft forever preferred_lft forever 10: vethacf1e426@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 82:e4:e8:9a:69:72 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::80e4:e8ff:fe9a:6972/64 scope link valid_lft forever preferred_lft forever 13: veth819846fb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 02:27:81:a6:f0:35 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::27:81ff:fea6:f035/64 scope link valid_lft forever preferred_lft forever 14: veth4843b3f2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fa:24:52:c7:3a:71 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::f824:52ff:fec7:3a71/64 scope link valid_lft forever preferred_lft forever 19: br-0b39c87a6923: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:8d:5e:d4:1b brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-0b39c87a6923 valid_lft forever preferred_lft forever inet6 fe80::42:8dff:fe5e:d41b/64 scope link valid_lft forever preferred_lft forever 23: veth6f45991@if22: mtu 1500 qdisc noqueue master br-0b39c87a6923 state UP group default link/ether d2:32:d3:8b:59:30 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::d032:d3ff:fe8b:5930/64 scope link valid_lft forever preferred_lft forever 25: veth4879cc3@if24: mtu 1500 qdisc noqueue master br-0b39c87a6923 state UP group default link/ether 52:73:d2:ac:92:10 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::5073:d2ff:feac:9210/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46363) 09/17/25 _x86_64_ (8 CPU) 05:57:10 LINUX RESTART (8 CPU) 05:58:01 tps rtps wtps bread/s bwrtn/s 05:59:01 445.87 48.32 397.55 2949.87 112693.33 06:00:01 113.85 0.02 113.83 0.13 63773.54 06:01:01 89.10 3.35 85.75 454.46 72187.97 06:02:01 135.28 18.65 116.63 796.27 82629.30 06:03:01 131.68 2.48 129.20 91.72 36315.01 Average: 183.14 14.56 168.58 858.39 73518.20 05:58:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:59:01 26955504 31067668 5983716 18.17 123600 4113568 2839156 8.62 2043792 3388900 121036 06:00:01 25028696 30134760 7910524 24.02 132616 5045332 3846476 11.68 3230716 4066128 323532 06:01:01 26362312 30982136 6576908 19.97 134836 4688968 3026688 9.19 2311520 3768876 312 06:02:01 24943724 30834856 7995496 24.27 142472 5897864 3902436 11.85 2641696 4791596 46860 06:03:01 24606420 30792680 8332800 25.30 150272 6151788 3940244 11.96 2706112 5029916 114004 Average: 25579331 30762420 7359889 22.34 136759 5179504 3511000 10.66 2586767 4209083 121149 05:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 ens3 742.92 609.58 10893.92 51.53 0.00 0.00 0.00 0.00 05:59:01 vethf3e6667f 1.22 1.73 0.14 0.47 0.00 0.00 0.00 0.00 05:59:01 veth4843b3f2 0.12 0.23 0.01 0.02 0.00 0.00 0.00 0.00 06:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 ens3 14.18 10.15 6.25 1.91 0.00 0.00 0.00 0.00 06:00:01 vethf3e6667f 2.62 3.15 0.24 0.33 0.00 0.00 0.00 0.00 06:00:01 veth4843b3f2 4.42 3.90 0.79 2.01 0.00 0.00 0.00 0.00 06:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 ens3 44.69 39.91 604.87 3.88 0.00 0.00 0.00 0.00 06:01:01 vethf3e6667f 2.95 3.35 0.28 0.29 0.00 0.00 0.00 0.00 06:01:01 veth4843b3f2 1.30 1.57 0.11 0.19 0.00 0.00 0.00 0.00 06:02:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 br-0b39c87a6923 0.52 0.67 1.71 0.06 0.00 0.00 0.00 0.00 06:02:01 ens3 438.88 370.37 6033.11 30.76 0.00 0.00 0.00 0.00 06:02:01 vethf3e6667f 3.05 3.32 0.28 0.29 0.00 0.00 0.00 0.00 06:03:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 br-0b39c87a6923 0.22 0.32 0.04 0.02 0.00 0.00 0.00 0.00 06:03:01 ens3 54.99 48.29 962.20 10.32 0.00 0.00 0.00 0.00 06:03:01 vethf3e6667f 3.08 3.18 0.28 0.28 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-0b39c87a6923 0.15 0.20 0.35 0.02 0.00 0.00 0.00 0.00 Average: ens3 259.11 215.64 3699.71 19.68 0.00 0.00 0.00 0.00 Average: vethf3e6667f 2.58 2.95 0.24 0.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46363) 09/17/25 _x86_64_ (8 CPU) 05:57:10 LINUX RESTART (8 CPU) 05:58:01 CPU %user %nice %system %iowait %steal %idle 05:59:01 all 13.74 0.05 5.76 9.58 0.08 70.78 05:59:01 0 12.44 0.00 6.41 12.01 0.09 69.06 05:59:01 1 15.16 0.00 5.56 11.82 0.08 67.38 05:59:01 2 14.50 0.00 6.58 5.14 0.08 73.70 05:59:01 3 12.97 0.00 4.94 5.08 0.08 76.92 05:59:01 4 16.98 0.39 5.38 11.22 0.08 65.95 05:59:01 5 14.53 0.00 5.85 8.05 0.07 71.50 05:59:01 6 11.35 0.00 5.62 13.10 0.08 69.85 05:59:01 7 12.02 0.00 5.72 10.20 0.08 71.97 06:00:01 all 38.81 0.00 5.08 2.43 0.09 53.59 06:00:01 0 37.41 0.00 5.47 3.12 0.10 53.90 06:00:01 1 39.32 0.00 5.92 6.22 0.12 48.42 06:00:01 2 32.83 0.00 4.36 1.54 0.07 61.20 06:00:01 3 39.90 0.00 5.13 0.12 0.10 54.76 06:00:01 4 41.49 0.00 5.71 1.90 0.10 50.80 06:00:01 5 35.93 0.00 4.13 0.37 0.08 59.48 06:00:01 6 46.59 0.00 5.31 0.92 0.08 47.09 06:00:01 7 36.93 0.00 4.60 5.22 0.10 53.15 06:01:01 all 34.64 0.30 5.66 3.39 0.08 55.94 06:01:01 0 34.23 0.56 5.45 1.21 0.08 58.46 06:01:01 1 35.03 0.00 5.82 13.89 0.08 45.18 06:01:01 2 31.66 0.00 6.05 11.11 0.08 51.09 06:01:01 3 34.13 1.81 5.27 0.15 0.08 58.55 06:01:01 4 36.22 0.00 5.82 0.05 0.08 57.83 06:01:01 5 34.45 0.00 5.71 0.46 0.08 59.30 06:01:01 6 35.45 0.00 5.57 0.22 0.08 58.68 06:01:01 7 35.90 0.00 5.60 0.07 0.08 58.35 06:02:01 all 7.51 0.00 3.25 3.46 0.09 85.69 06:02:01 0 7.27 0.00 3.37 0.27 0.08 89.00 06:02:01 1 10.98 0.00 3.72 11.07 0.08 74.14 06:02:01 2 3.77 0.00 2.10 0.93 0.07 93.13 06:02:01 3 8.61 0.00 4.70 0.54 0.08 86.07 06:02:01 4 6.47 0.00 3.32 2.97 0.10 87.14 06:02:01 5 5.73 0.00 3.83 1.04 0.07 89.32 06:02:01 6 7.56 0.00 2.25 10.08 0.10 80.01 06:02:01 7 9.69 0.00 2.63 0.80 0.08 86.79 06:03:01 all 9.88 0.00 1.01 3.54 0.07 85.51 06:03:01 0 6.50 0.00 0.85 0.33 0.07 92.25 06:03:01 1 2.21 0.00 0.67 8.44 0.05 88.63 06:03:01 2 9.18 0.00 0.84 3.68 0.08 86.22 06:03:01 3 13.04 0.00 1.61 6.24 0.08 79.03 06:03:01 4 8.05 0.00 0.82 2.45 0.05 88.63 06:03:01 5 24.49 0.00 1.86 3.21 0.05 70.39 06:03:01 6 8.44 0.00 0.74 3.83 0.05 86.95 06:03:01 7 7.10 0.00 0.72 0.20 0.07 91.92 Average: all 20.91 0.07 4.14 4.47 0.08 70.32 Average: 0 19.54 0.11 4.30 3.36 0.08 72.60 Average: 1 20.55 0.00 4.34 10.28 0.08 64.74 Average: 2 18.37 0.00 3.98 4.48 0.08 73.10 Average: 3 21.75 0.36 4.32 2.43 0.09 71.05 Average: 4 21.85 0.08 4.21 3.71 0.08 70.06 Average: 5 23.01 0.00 4.27 2.63 0.07 70.02 Average: 6 21.89 0.00 3.89 5.61 0.08 68.53 Average: 7 20.30 0.00 3.85 3.29 0.08 72.47