---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-4754 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/8200b2482d8331c2be46d583d0a34e878823a95f0fd9578d78ad47c8b7e9b90e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/19eb76b0f8aca6cde1f56718082120ddd321162310e13acfeebcab4f5badeb9e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/27735aeeaa37c9f7a751158328b2e27547c52f4e621ebee4a441896ac2b96740/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/be94ef3096ed19279a2e627e0b11d4e708889cff507ba07c2f7e14f7eaa701e4/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/7632c3831e7d5c009571003db37fc36331d0ed73f109d1cd2c45e837c1867731/shm /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1196 /dev/loop2 20M 20M 0 100% /snap/helm/476 ---> free -m: total used free shared buff/cache available Mem: 32167 1629 24002 2 6535 30080 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:bd:7d:90 brd ff:ff:ff:ff:ff:ff inet 10.30.106.140/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86046sec preferred_lft 86046sec inet6 fe80::f816:3eff:febd:7d90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ab:61:e4:0e 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:abff:fe61:e40e/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 2a:fd:73:6c:f1:a1 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::28fd:73ff:fe6c:f1a1/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether e2:06:33:02:76:1e 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::e006:33ff:fe02:761e/64 scope link valid_lft forever preferred_lft forever 6: veth68d96461@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:91:5f:21:72:45 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c891:5fff:fe21:7245/64 scope link valid_lft forever preferred_lft forever 8: veth37e4256c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:0c:da:49:dc:17 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::200c:daff:fe49:dc17/64 scope link valid_lft forever preferred_lft forever 10: veth179c2636@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:26:a7:33:ec:6c brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::c826:a7ff:fe33:ec6c/64 scope link valid_lft forever preferred_lft forever 13: vethe1b2b057@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5e:b8:80:a1:94:be brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::5cb8:80ff:fea1:94be/64 scope link valid_lft forever preferred_lft forever 14: veth9eeb1872@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e2:e0:8e:e0:cf:be brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::e0e0:8eff:fee0:cfbe/64 scope link valid_lft forever preferred_lft forever 19: br-c702085b0c5d: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:0e:a2:cf:73 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-c702085b0c5d valid_lft forever preferred_lft forever inet6 fe80::42:eff:fea2:cf73/64 scope link valid_lft forever preferred_lft forever 21: veth53bfc42@if20: mtu 1500 qdisc noqueue master br-c702085b0c5d state UP group default link/ether aa:c5:26:27:45:84 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::a8c5:26ff:fe27:4584/64 scope link valid_lft forever preferred_lft forever 23: veth3f7ffc3@if22: mtu 1500 qdisc noqueue master br-c702085b0c5d state UP group default link/ether 02:46:02:49:85:9b brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::46:2ff:fe49:859b/64 scope link valid_lft forever preferred_lft forever 25: vethd8528b3@if24: mtu 1500 qdisc noqueue master br-c702085b0c5d state UP group default link/ether 5a:62:fc:8f:d7:00 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::5862:fcff:fe8f:d700/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4754) 10/23/25 _x86_64_ (8 CPU) 12:08:38 LINUX RESTART (8 CPU) 12:09:01 tps rtps wtps bread/s bwrtn/s 12:10:01 350.87 72.24 278.62 3777.27 105843.25 12:11:01 448.08 48.83 399.25 2960.04 142780.60 12:12:01 153.39 0.00 153.39 0.00 55642.33 12:13:01 186.25 5.63 180.62 608.03 91097.75 12:14:01 112.81 20.63 92.18 767.47 7676.59 Average: 250.28 29.47 220.82 1622.64 80608.94 12:09:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:01 30207884 31742520 2731336 8.29 44772 1808808 1367264 4.15 1063816 1386712 307956 12:11:01 26015824 30741388 6923396 21.02 128320 4675640 3861072 11.72 2612976 3717452 861892 12:12:01 24245432 30062300 8693788 26.39 131368 5725228 4011692 12.18 3810528 4245880 783780 12:13:01 25161216 30865472 7778004 23.61 148892 5705556 4561540 13.85 2596428 4611172 2676 12:14:01 24656828 30790220 8282392 25.14 187924 6060468 4447052 13.50 2758620 4912996 169568 Average: 26057437 30840380 6881783 20.89 128255 4795140 3649724 11.08 2568474 3774842 425174 12:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:01 lo 1.90 1.90 0.22 0.22 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 ens3 325.36 225.77 1290.71 70.57 0.00 0.00 0.00 0.00 12:11:01 lo 247.43 247.43 279.35 279.35 0.00 0.00 0.00 0.00 12:11:01 cni0 42.14 38.88 36.29 108.22 0.00 0.00 0.87 0.00 12:11:01 veth68d96461 0.53 1.52 0.09 0.21 0.00 0.00 0.00 0.00 12:11:01 veth179c2636 5.50 7.38 2.14 2.70 0.00 0.00 0.00 0.00 12:12:01 lo 12.73 12.73 3.99 3.99 0.00 0.00 0.00 0.00 12:12:01 cni0 11.03 12.38 2.79 2.03 0.00 0.00 0.12 0.00 12:12:01 veth68d96461 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:12:01 veth179c2636 6.65 7.85 2.56 1.58 0.00 0.00 0.00 0.00 12:13:01 lo 16.63 16.63 4.42 4.42 0.00 0.00 0.00 0.00 12:13:01 cni0 11.96 13.26 3.03 2.18 0.00 0.00 0.08 0.00 12:13:01 veth68d96461 0.13 0.20 0.01 0.02 0.00 0.00 0.00 0.00 12:13:01 veth179c2636 7.38 8.45 2.79 1.71 0.00 0.00 0.00 0.00 12:14:01 lo 16.93 16.93 4.99 4.99 0.00 0.00 0.00 0.00 12:14:01 cni0 11.70 13.10 3.01 2.17 0.00 0.00 0.00 0.00 12:14:01 veth68d96461 0.08 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:14:01 veth179c2636 7.20 8.30 2.78 1.70 0.00 0.00 0.00 0.00 Average: lo 59.12 59.12 58.59 58.59 0.00 0.00 0.00 0.00 Average: cni0 15.37 15.52 9.02 22.92 0.00 0.00 0.21 0.00 Average: veth68d96461 0.18 0.40 0.02 0.05 0.00 0.00 0.00 0.00 Average: veth179c2636 5.35 6.40 2.05 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4754) 10/23/25 _x86_64_ (8 CPU) 12:08:38 LINUX RESTART (8 CPU) 12:09:01 CPU %user %nice %system %iowait %steal %idle 12:10:01 all 5.52 0.68 1.01 2.93 0.04 89.82 12:10:01 0 2.04 3.29 1.10 6.38 0.05 87.13 12:10:01 1 5.53 0.55 1.15 0.43 0.03 92.30 12:10:01 2 6.52 1.35 1.08 0.30 0.03 90.71 12:10:01 3 4.26 0.00 1.34 12.14 0.05 82.20 12:10:01 4 6.77 0.00 0.67 0.27 0.03 92.27 12:10:01 5 9.96 0.00 0.77 0.23 0.03 89.01 12:10:01 6 3.86 0.23 1.22 1.33 0.03 93.32 12:10:01 7 5.27 0.00 0.70 2.42 0.03 91.57 12:11:01 all 27.72 0.00 6.17 6.76 0.10 59.25 12:11:01 0 26.33 0.00 5.87 1.92 0.08 65.80 12:11:01 1 26.38 0.00 5.91 9.13 0.08 58.50 12:11:01 2 27.67 0.00 6.85 10.90 0.10 54.48 12:11:01 3 28.72 0.00 6.06 7.48 0.08 57.65 12:11:01 4 28.43 0.00 5.97 4.16 0.10 61.33 12:11:01 5 28.21 0.00 6.56 2.94 0.10 62.19 12:11:01 6 28.86 0.00 6.35 8.15 0.13 56.50 12:11:01 7 27.12 0.00 5.81 9.38 0.12 57.57 12:12:01 all 42.40 0.00 5.60 1.55 0.12 50.33 12:12:01 0 45.40 0.00 5.88 0.66 0.10 47.96 12:12:01 1 46.11 0.00 5.44 2.35 0.12 45.99 12:12:01 2 41.21 0.00 6.15 7.53 0.13 44.96 12:12:01 3 39.12 0.00 5.55 0.00 0.12 55.22 12:12:01 4 45.87 0.00 5.81 0.72 0.12 47.47 12:12:01 5 42.42 0.00 5.13 0.45 0.08 51.92 12:12:01 6 39.80 0.00 5.03 0.57 0.10 54.49 12:12:01 7 39.32 0.00 5.81 0.10 0.12 54.65 12:13:01 all 7.46 0.21 3.71 3.23 0.09 85.31 12:13:01 0 6.70 0.02 3.60 14.50 0.12 75.06 12:13:01 1 7.66 0.00 4.47 1.14 0.08 86.65 12:13:01 2 6.89 0.00 2.75 0.47 0.12 89.77 12:13:01 3 6.84 0.00 4.25 0.82 0.08 88.00 12:13:01 4 7.52 0.00 3.56 2.32 0.08 86.52 12:13:01 5 6.70 0.00 2.46 0.45 0.08 90.30 12:13:01 6 7.40 0.00 3.64 0.19 0.10 88.67 12:13:01 7 9.91 1.66 4.96 5.90 0.08 77.47 12:14:01 all 10.93 0.00 1.50 0.59 0.07 86.91 12:14:01 0 19.79 0.00 1.72 0.79 0.07 77.63 12:14:01 1 9.55 0.00 1.35 0.25 0.08 88.77 12:14:01 2 13.55 0.00 1.53 0.40 0.08 84.43 12:14:01 3 16.07 0.00 1.87 0.42 0.08 81.55 12:14:01 4 4.72 0.00 1.99 0.69 0.05 92.55 12:14:01 5 4.92 0.00 0.89 0.32 0.07 93.81 12:14:01 6 6.72 0.00 1.21 0.12 0.07 91.89 12:14:01 7 12.08 0.00 1.44 1.76 0.05 84.67 Average: all 18.77 0.18 3.59 3.01 0.08 74.37 Average: 0 20.02 0.66 3.63 4.85 0.08 70.76 Average: 1 19.02 0.11 3.66 2.65 0.08 74.49 Average: 2 19.14 0.27 3.66 3.91 0.09 72.93 Average: 3 18.98 0.00 3.81 4.17 0.08 72.96 Average: 4 18.62 0.00 3.59 1.62 0.08 76.09 Average: 5 18.41 0.00 3.15 0.88 0.07 77.49 Average: 6 17.29 0.05 3.48 2.07 0.09 77.02 Average: 7 18.71 0.33 3.74 3.91 0.08 73.24