---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6141 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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/581eaccc7aea04cc95457e977ca324bf0c56c73b426980475aea94e768688cf0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5b413d67bbcfc78800013443cbfb096c845a605c3fd199f471cb8f2796331d83/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/62104d3c3a86d6bef3d3ab76b097495f9cd350e0ef5ea6d906b9acc5a95a5a1e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a5cf6a17c7b89b3df912b5eda46477c9243c7f01a7f3f92db50eba4b9b86dc6c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/af841d2739c4f54f19b8732180eb1a4c1bfd082924e8903905db443772348e68/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1517 24186 1 6462 30192 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:98:54:46 brd ff:ff:ff:ff:ff:ff inet 10.30.106.51/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86069sec preferred_lft 86069sec inet6 fe80::f816:3eff:fe98:5446/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ed:76:de:65 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:edff:fe76:de65/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 8e:07:8e:c4:49:e1 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::8c07:8eff:fec4:49e1/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 06:84:5a:b5:79:8e 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::484:5aff:feb5:798e/64 scope link valid_lft forever preferred_lft forever 8: veth029b42b4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:e7:d7:28:28:92 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e8e7:d7ff:fe28:2892/64 scope link valid_lft forever preferred_lft forever 9: veth85363182@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a2:6c:4c:a7:e3:dc brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::a06c:4cff:fea7:e3dc/64 scope link valid_lft forever preferred_lft forever 10: vethf90b8100@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 66:7e:91:bb:0f:73 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::647e:91ff:febb:f73/64 scope link valid_lft forever preferred_lft forever 11: vethb50c997b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether fe:12:5e:a8:58:de brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::fc12:5eff:fea8:58de/64 scope link valid_lft forever preferred_lft forever 12: veth2714666f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:b3:19:76:df:63 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::48b3:19ff:fe76:df63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6141) 10/29/26 _x86_64_ (8 CPU) 09:23:10 LINUX RESTART (8 CPU) 09:24:02 tps rtps wtps bread/s bwrtn/s 09:25:01 372.42 42.19 330.23 2244.80 168026.57 09:26:01 131.65 0.02 131.63 0.13 54748.93 09:27:01 172.01 3.70 168.31 499.43 94465.31 09:28:01 101.50 21.36 80.14 790.93 12281.82 Average: 193.66 16.71 176.95 878.21 82027.63 09:24:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:25:01 25724172 30625008 7215048 21.90 117756 4892932 3587204 10.89 2808992 3811448 972780 09:26:01 24980016 30883240 7959204 24.16 120704 5852424 3363064 10.21 3065740 4258412 870940 09:27:01 25499288 30994820 7439932 22.59 125984 5528388 3202900 9.72 2302212 4590048 61388 09:28:01 24992556 30933920 7946664 24.13 136844 5929600 3269248 9.93 2481248 4878348 187272 Average: 25299008 30859247 7640212 23.19 125322 5550836 3355604 10.19 2664548 4384564 523095 09:24:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:25:01 vethf90b8100 2.78 3.58 0.28 0.71 0.00 0.00 0.00 0.00 09:25:01 vethfb02550 188.63 286.39 15.43 1511.10 0.00 0.00 0.00 0.12 09:25:01 veth029b42b4 0.59 1.46 0.10 0.21 0.00 0.00 0.00 0.00 09:25:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 vethf90b8100 2.88 3.20 0.27 0.28 0.00 0.00 0.00 0.00 09:26:01 vethfb02550 4.40 6.72 0.38 18.23 0.00 0.00 0.00 0.00 09:26:01 veth029b42b4 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 09:26:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 vethf90b8100 3.03 3.33 0.28 0.29 0.00 0.00 0.00 0.00 09:27:01 veth029b42b4 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 09:27:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 ens3 1353.63 853.12 18306.68 127.17 0.00 0.00 0.00 0.00 09:28:01 vethf90b8100 3.15 3.48 0.29 0.40 0.00 0.00 0.00 0.00 09:28:01 veth029b42b4 0.12 0.20 0.01 0.02 0.00 0.00 0.00 0.00 09:28:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 ens3 143.73 69.26 1470.00 12.01 0.00 0.00 0.00 0.00 Average: vethf90b8100 2.96 3.40 0.28 0.42 0.00 0.00 0.00 0.00 Average: veth029b42b4 0.24 0.50 0.03 0.07 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: ens3 287.30 161.49 4629.04 16.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6141) 10/29/26 _x86_64_ (8 CPU) 09:23:10 LINUX RESTART (8 CPU) 09:24:02 CPU %user %nice %system %iowait %steal %idle 09:25:01 all 34.41 0.00 7.73 2.21 0.02 55.63 09:25:01 0 34.74 0.00 8.51 3.39 0.03 53.33 09:25:01 1 36.50 0.00 7.84 1.15 0.02 54.50 09:25:01 2 34.18 0.00 7.28 0.73 0.02 57.79 09:25:01 3 34.15 0.00 7.66 2.77 0.02 55.41 09:25:01 4 34.21 0.00 7.03 3.55 0.02 55.19 09:25:01 5 34.57 0.00 8.06 0.74 0.02 56.62 09:25:01 6 33.07 0.00 8.14 4.41 0.02 54.36 09:25:01 7 33.83 0.00 7.39 0.96 0.02 57.80 09:26:01 all 53.53 0.00 7.02 0.24 0.02 39.19 09:26:01 0 56.14 0.00 7.16 0.25 0.02 36.43 09:26:01 1 57.86 0.00 8.03 0.29 0.02 33.81 09:26:01 2 50.39 0.00 6.79 0.55 0.03 42.23 09:26:01 3 52.93 0.00 6.80 0.07 0.02 40.18 09:26:01 4 51.62 0.00 6.26 0.03 0.03 42.05 09:26:01 5 53.18 0.00 7.34 0.25 0.02 39.21 09:26:01 6 50.52 0.00 6.46 0.07 0.00 42.95 09:26:01 7 55.64 0.00 7.31 0.39 0.02 36.65 09:27:01 all 16.89 0.22 4.76 1.04 0.01 77.07 09:27:01 0 17.23 1.63 4.81 1.63 0.00 74.71 09:27:01 1 18.09 0.00 4.65 1.44 0.02 75.81 09:27:01 2 15.71 0.00 5.82 1.91 0.00 76.56 09:27:01 3 14.26 0.00 5.73 0.07 0.02 79.92 09:27:01 4 17.16 0.00 3.99 0.17 0.02 78.66 09:27:01 5 17.67 0.00 4.23 2.02 0.02 76.07 09:27:01 6 17.57 0.17 3.86 0.97 0.02 77.41 09:27:01 7 17.43 0.00 4.94 0.18 0.02 77.43 09:28:01 all 10.21 0.00 1.72 0.58 0.01 87.48 09:28:01 0 11.92 0.00 1.62 0.74 0.03 85.69 09:28:01 1 7.52 0.00 1.88 0.44 0.02 90.15 09:28:01 2 7.68 0.00 1.89 0.37 0.00 90.06 09:28:01 3 19.74 0.00 1.82 0.87 0.03 77.54 09:28:01 4 12.42 0.00 1.89 1.15 0.00 84.53 09:28:01 5 9.75 0.00 1.68 0.49 0.02 88.07 09:28:01 6 6.59 0.00 1.42 0.05 0.00 91.94 09:28:01 7 6.03 0.00 1.57 0.53 0.00 91.86 Average: all 28.71 0.06 5.29 1.01 0.02 64.92 Average: 0 29.97 0.41 5.50 1.49 0.02 62.61 Average: 1 29.96 0.00 5.58 0.82 0.02 63.62 Average: 2 26.97 0.00 5.44 0.89 0.01 66.69 Average: 3 30.22 0.00 5.49 0.93 0.02 63.33 Average: 4 28.78 0.00 4.78 1.21 0.02 65.21 Average: 5 28.74 0.00 5.31 0.87 0.02 65.06 Average: 6 26.86 0.04 4.94 1.36 0.01 66.78 Average: 7 28.17 0.00 5.29 0.51 0.01 66.02