---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46798 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 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/79ea5a6bea687871393759dc69a7ffba7f85a0248d33fcd36edc92ba854818d2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/acecc499bed564b004dc6f63b381e7156a149a6d487fc579d98da3edff2f339c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/72ed7038cadcaa829404b2b5d8b3672ce96ee24d0f920c13d8e8932d3b07d878/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/678625d26e3fbb0128dbc8024f000eb567bd31848f8cc66dbe4ad424b476606f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d2b0eeda7024fe5471311d0bbad7949e17fc500d965e15d875b40315df358b6a/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1560 24271 1 6335 30150 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:79:72:37 brd ff:ff:ff:ff:ff:ff inet 10.30.106.248/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85970sec preferred_lft 85970sec inet6 fe80::f816:3eff:fe79:7237/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:3b:40:24 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:fe3b:4024/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 02:1a:14:28:34:52 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::1a:14ff:fe28:3452/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 9a:db:98:c8:2a:48 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::98db:98ff:fec8:2a48/64 scope link valid_lft forever preferred_lft forever 7: veth14acebe8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:d6:a2:f6:fc:fa brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::4cd6:a2ff:fef6:fcfa/64 scope link valid_lft forever preferred_lft forever 9: veth73b4cdd2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5e:20:a0:89:64:e2 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5c20:a0ff:fe89:64e2/64 scope link valid_lft forever preferred_lft forever 10: veth46d8b4a0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:de:b6:d6:ff:93 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::acde:b6ff:fed6:ff93/64 scope link valid_lft forever preferred_lft forever 13: vethfc539ecf@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:28:f2:c3:c6:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::3428:f2ff:fec3:c6c2/64 scope link valid_lft forever preferred_lft forever 14: vethc42ddff2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 36:34:38:44:d6:6c brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::3434:38ff:fe44:d66c/64 scope link valid_lft forever preferred_lft forever 19: br-1f99305e6bd4: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:bb:94:ce:09 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-1f99305e6bd4 valid_lft forever preferred_lft forever inet6 fe80::42:bbff:fe94:ce09/64 scope link valid_lft forever preferred_lft forever 23: veth01a288d@if22: mtu 1500 qdisc noqueue master br-1f99305e6bd4 state UP group default link/ether c6:5f:c9:3e:56:31 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c45f:c9ff:fe3e:5631/64 scope link valid_lft forever preferred_lft forever 25: vethbcb8618@if24: mtu 1500 qdisc noqueue master br-1f99305e6bd4 state UP group default link/ether c6:83:ec:94:35:eb brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::c483:ecff:fe94:35eb/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-46798) 09/18/25 _x86_64_ (8 CPU) 09:05:41 LINUX RESTART (8 CPU) 09:06:01 tps rtps wtps bread/s bwrtn/s 09:07:01 376.47 124.98 251.49 6938.31 102729.81 09:08:01 474.68 4.63 470.04 404.80 112855.18 09:09:01 75.94 0.00 75.94 0.00 69666.12 09:10:01 124.71 3.47 121.24 480.91 90916.23 09:11:01 74.49 0.83 73.65 79.19 34858.72 09:12:01 107.92 20.55 87.37 782.94 11110.28 Average: 205.70 25.74 179.96 1447.63 70357.81 09:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:07:01 29387124 31345536 3552096 10.78 50500 2213464 1923512 5.84 1598480 1643148 29508 09:08:01 25958652 30756536 6980568 21.19 126104 4734404 3411020 10.36 2640040 3750024 582796 09:09:01 25387168 30825404 7552052 22.93 128376 5365056 3642988 11.06 2890056 4040528 596904 09:10:01 25635328 31021268 7303892 22.17 132064 5431860 2902012 8.81 2312436 4476108 774832 09:11:01 25332420 30954400 7606800 23.09 135280 5645756 3886704 11.80 2505500 4554508 528 09:12:01 25024060 30907420 7915160 24.03 144316 5871292 3865144 11.73 2691480 4648532 33476 Average: 26120792 30968427 6818428 20.70 119440 4876972 3271897 9.93 2439665 3852141 336341 09:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 ens3 462.97 285.54 2902.12 75.50 0.00 0.00 0.00 0.00 09:07:01 lo 124.80 124.80 55.11 55.11 0.00 0.00 0.00 0.00 09:08:01 docker0 108.83 154.27 9.36 1261.35 0.00 0.00 0.00 0.00 09:08:01 vethc42ddff2 3.75 3.35 0.73 2.01 0.00 0.00 0.00 0.00 09:08:01 vethfc539ecf 0.13 0.40 0.01 0.03 0.00 0.00 0.00 0.00 09:08:01 ens3 724.43 426.81 9302.31 38.81 0.00 0.00 0.00 0.00 09:09:01 docker0 0.47 0.57 0.04 0.64 0.00 0.00 0.00 0.00 09:09:01 vethc42ddff2 1.38 1.55 0.11 0.19 0.00 0.00 0.00 0.00 09:09:01 vethfc539ecf 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:09:01 ens3 2.52 1.85 6.14 0.82 0.00 0.00 0.00 0.00 09:10:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:10:01 vethc42ddff2 1.35 1.50 0.11 0.18 0.00 0.00 0.00 0.00 09:10:01 vethfc539ecf 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:10:01 ens3 148.68 86.04 4914.83 7.74 0.00 0.00 0.00 0.00 09:11:01 veth01a288d 0.50 0.70 0.03 0.05 0.00 0.00 0.00 0.00 09:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 vethbcb8618 0.00 0.17 0.00 0.01 0.00 0.00 0.00 0.00 09:11:01 vethc42ddff2 1.37 1.47 0.11 0.18 0.00 0.00 0.00 0.00 09:12:01 veth01a288d 3.98 4.00 0.21 0.29 0.00 0.00 0.00 0.00 09:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 vethbcb8618 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 vethc42ddff2 1.38 1.50 0.11 0.18 0.00 0.00 0.00 0.00 Average: veth01a288d 0.75 0.78 0.04 0.06 0.00 0.00 0.00 0.00 Average: docker0 18.23 25.82 1.57 210.36 0.00 0.00 0.00 0.00 Average: vethbcb8618 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethc42ddff2 1.54 1.56 0.19 0.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46798) 09/18/25 _x86_64_ (8 CPU) 09:05:41 LINUX RESTART (8 CPU) 09:06:01 CPU %user %nice %system %iowait %steal %idle 09:07:01 all 8.93 0.66 2.30 6.67 0.06 81.38 09:07:01 0 8.24 0.00 2.13 3.45 0.07 86.12 09:07:01 1 9.50 0.00 2.04 1.35 0.05 87.05 09:07:01 2 8.05 1.68 2.51 22.55 0.07 65.15 09:07:01 3 14.30 0.00 1.92 7.26 0.07 76.45 09:07:01 4 6.74 0.00 2.07 13.07 0.07 78.06 09:07:01 5 7.71 3.54 2.57 3.50 0.07 82.61 09:07:01 6 9.21 0.02 2.02 1.34 0.07 87.35 09:07:01 7 7.71 0.00 3.13 0.90 0.05 88.20 09:08:01 all 28.27 0.00 6.13 14.53 0.13 50.93 09:08:01 0 28.88 0.00 6.27 10.28 0.10 54.48 09:08:01 1 27.49 0.00 6.19 17.68 0.14 48.50 09:08:01 2 29.18 0.00 5.81 20.92 0.15 43.94 09:08:01 3 28.26 0.00 5.71 19.13 0.15 46.75 09:08:01 4 27.94 0.00 6.55 12.49 0.12 52.90 09:08:01 5 27.81 0.00 5.93 4.71 0.12 61.43 09:08:01 6 27.53 0.00 6.36 19.19 0.14 46.78 09:08:01 7 29.09 0.00 6.19 11.92 0.14 52.66 09:09:01 all 35.95 0.00 4.89 7.04 0.12 52.01 09:09:01 0 35.21 0.00 4.57 8.83 0.14 51.26 09:09:01 1 36.79 0.00 5.01 23.36 0.10 34.73 09:09:01 2 34.12 0.00 4.64 10.10 0.10 51.03 09:09:01 3 38.35 0.00 4.86 3.00 0.10 53.68 09:09:01 4 36.75 0.00 5.43 0.45 0.10 57.27 09:09:01 5 34.46 0.00 4.85 2.57 0.14 57.99 09:09:01 6 36.70 0.00 5.20 4.54 0.15 53.41 09:09:01 7 35.16 0.00 4.53 3.53 0.10 56.68 09:10:01 all 10.19 0.21 3.05 11.02 0.07 75.44 09:10:01 0 9.48 0.00 4.35 2.14 0.07 83.96 09:10:01 1 10.47 1.64 2.82 4.58 0.07 80.42 09:10:01 2 8.72 0.02 2.45 11.47 0.07 77.28 09:10:01 3 8.07 0.00 3.50 17.49 0.08 70.85 09:10:01 4 8.75 0.00 2.70 18.55 0.07 69.93 09:10:01 5 11.64 0.08 2.74 15.12 0.07 70.35 09:10:01 6 12.80 0.00 2.98 12.70 0.08 71.44 09:10:01 7 11.62 0.00 2.82 6.15 0.08 79.33 09:11:01 all 2.63 0.00 1.17 4.91 0.06 91.23 09:11:01 0 3.39 0.00 1.28 2.72 0.07 92.54 09:11:01 1 4.19 0.00 0.99 9.15 0.07 85.60 09:11:01 2 2.36 0.00 1.00 0.75 0.07 95.82 09:11:01 3 2.40 0.00 1.79 3.24 0.05 92.52 09:11:01 4 2.21 0.00 1.22 2.81 0.07 93.69 09:11:01 5 2.45 0.00 0.94 4.24 0.07 92.31 09:11:01 6 2.38 0.00 1.38 9.14 0.08 87.02 09:11:01 7 1.72 0.00 0.77 7.27 0.05 90.19 09:12:01 all 7.10 0.00 1.04 0.78 0.06 91.02 09:12:01 0 4.78 0.00 1.02 0.42 0.05 93.73 09:12:01 1 7.52 0.00 1.02 2.32 0.05 89.09 09:12:01 2 4.56 0.00 0.94 1.42 0.07 93.01 09:12:01 3 7.71 0.00 0.93 0.40 0.07 90.89 09:12:01 4 5.56 0.00 1.23 0.97 0.07 92.18 09:12:01 5 13.04 0.00 1.44 0.38 0.07 85.07 09:12:01 6 9.27 0.00 1.10 0.13 0.05 89.45 09:12:01 7 4.30 0.00 0.67 0.13 0.07 94.83 Average: all 15.47 0.15 3.09 7.48 0.08 73.73 Average: 0 14.93 0.00 3.26 4.62 0.08 77.11 Average: 1 15.95 0.27 3.00 9.71 0.08 70.99 Average: 2 14.45 0.28 2.89 11.17 0.09 71.12 Average: 3 16.47 0.00 3.11 8.39 0.09 71.94 Average: 4 14.63 0.00 3.19 8.03 0.08 74.06 Average: 5 16.15 0.61 3.07 5.08 0.09 75.01 Average: 6 16.27 0.00 3.16 7.81 0.10 72.66 Average: 7 14.93 0.00 3.02 4.98 0.08 77.00