---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-11661 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/648bc5ed83c5f1739f158753a4e4f65f8b39fc0b2ff2879166e965b3c8a67819/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1b58e22b77e1efbd582434e2b99a111f72e013b1b2b54a715223bf9a7096b8d8/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/31e30db364648066fa495eb8334c9839f094d4d9440e6f33ebcb836d7870a3e7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/3c428bbea7377c94a146115078fa2843fefb74848cb0036f0e7af5acd01dd068/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a5b957a42ebb50430ecb867459cc5eb064a036419ba6eb4d892cf2de4b2a8041/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1522 24203 1 6441 30187 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:e0:11:7d brd ff:ff:ff:ff:ff:ff inet 10.30.106.252/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86079sec preferred_lft 86079sec inet6 fe80::f816:3eff:fee0:117d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:06:c9:59:7c 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::42:6ff:fec9:597c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 62:a8:c2:72:b8:40 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::60a8:c2ff:fe72:b840/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ea:c4:c8:b7:08:9a 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::e8c4:c8ff:feb7:89a/64 scope link valid_lft forever preferred_lft forever 8: veth0e8ea60d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:56:f4:7a:21:f1 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7c56:f4ff:fe7a:21f1/64 scope link valid_lft forever preferred_lft forever 9: veth9e029243@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether e6:33:b9:2c:09:aa brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::e433:b9ff:fe2c:9aa/64 scope link valid_lft forever preferred_lft forever 10: veth68df5cfb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:65:a4:f5:87:86 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4c65:a4ff:fef5:8786/64 scope link valid_lft forever preferred_lft forever 11: veth2b947cb6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 1e:42:30:03:58:42 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::1c42:30ff:fe03:5842/64 scope link valid_lft forever preferred_lft forever 12: vetha7f1e809@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:5b:ce:aa:b0:f5 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::285b:ceff:feaa:b0f5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-11661) 07/13/26 _x86_64_ (8 CPU) 06:42:56 LINUX RESTART (8 CPU) 06:43:01 tps rtps wtps bread/s bwrtn/s 06:44:01 433.01 133.04 299.97 7975.74 152487.79 06:45:01 520.55 3.72 516.83 395.53 149676.92 06:46:01 124.66 3.17 121.50 431.66 45374.84 06:47:01 171.47 20.56 150.91 785.34 72682.15 06:48:01 109.60 0.60 109.00 68.66 11142.54 Average: 271.86 32.22 239.64 1931.38 86272.85 06:43:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:44:01 29302212 31364408 3637008 11.04 50436 2316384 2147432 6.52 1528844 1785272 153916 06:45:01 25562288 30948364 7376932 22.40 136028 5329756 3055936 9.28 2731980 4022828 953944 06:46:01 26854304 31085660 6084916 18.47 137752 4305052 2685604 8.15 2126752 3475192 151488 06:47:01 25268936 30931008 7670284 23.29 146924 5666416 3355200 10.19 2486824 4625416 39440 06:48:01 24774516 30899568 8164704 24.79 154028 6078640 3394588 10.31 2531368 5028924 254504 Average: 26352451 31045802 6586769 20.00 125034 4739250 2927752 8.89 2281154 3787526 310658 06:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:44:01 ens3 563.37 381.19 4935.82 81.00 0.00 0.00 0.00 0.00 06:44:01 lo 108.97 108.97 41.17 41.17 0.00 0.00 0.00 0.00 06:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 ens3 473.90 294.80 7683.15 29.60 0.00 0.00 0.00 0.00 06:45:01 veth0e8ea60d 3.13 4.32 0.32 0.76 0.00 0.00 0.00 0.00 06:45:01 lo 116.71 116.71 130.87 130.87 0.00 0.00 0.00 0.00 06:45:01 veth2b947cb6 0.15 0.52 0.01 0.04 0.00 0.00 0.00 0.00 06:46:01 ens3 19.88 12.96 201.50 1.67 0.00 0.00 0.00 0.00 06:46:01 veth0e8ea60d 3.02 3.35 0.28 0.29 0.00 0.00 0.00 0.00 06:46:01 lo 12.65 12.65 3.79 3.79 0.00 0.00 0.00 0.00 06:46:01 veth2b947cb6 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:47:01 ens3 228.28 144.68 6086.74 16.03 0.00 0.00 0.00 0.00 06:47:01 veth0e8ea60d 3.12 3.50 0.29 0.40 0.00 0.00 0.00 0.00 06:47:01 lo 43.99 43.99 16.39 16.39 0.00 0.00 0.00 0.00 06:47:01 veth2b947cb6 0.02 0.15 0.00 0.01 0.00 0.00 0.00 0.00 06:48:01 ens3 94.87 70.04 1542.30 13.02 0.00 0.00 0.00 0.00 06:48:01 veth0e8ea60d 3.07 3.33 0.28 0.29 0.00 0.00 0.00 0.00 06:48:01 lo 21.30 21.30 5.96 5.96 0.00 0.00 0.00 0.00 06:48:01 veth2b947cb6 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: ens3 276.06 180.73 4089.90 28.26 0.00 0.00 0.00 0.00 Average: veth0e8ea60d 2.47 2.90 0.23 0.35 0.00 0.00 0.00 0.00 Average: lo 60.72 60.72 39.63 39.63 0.00 0.00 0.00 0.00 Average: veth2b947cb6 0.04 0.16 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-11661) 07/13/26 _x86_64_ (8 CPU) 06:42:56 LINUX RESTART (8 CPU) 06:43:01 CPU %user %nice %system %iowait %steal %idle 06:44:01 all 9.36 0.62 2.59 3.34 0.06 84.03 06:44:01 0 8.52 0.00 2.41 4.79 0.07 84.21 06:44:01 1 8.63 0.00 3.49 6.73 0.05 81.09 06:44:01 2 6.88 0.00 2.44 0.67 0.07 89.95 06:44:01 3 7.54 3.34 2.67 0.47 0.05 85.94 06:44:01 4 16.15 0.02 3.17 2.74 0.05 77.87 06:44:01 5 9.81 1.59 1.87 2.52 0.05 84.16 06:44:01 6 8.51 0.00 2.17 1.22 0.05 88.04 06:44:01 7 8.87 0.00 2.46 7.65 0.07 80.95 06:45:01 all 45.66 0.00 8.36 2.55 0.10 43.32 06:45:01 0 45.97 0.00 8.88 4.26 0.10 40.78 06:45:01 1 44.78 0.00 8.13 2.49 0.12 44.49 06:45:01 2 43.52 0.00 7.75 1.41 0.10 47.22 06:45:01 3 45.17 0.00 8.50 2.11 0.10 44.11 06:45:01 4 44.08 0.00 8.24 3.58 0.12 43.99 06:45:01 5 48.65 0.00 8.14 1.59 0.10 41.51 06:45:01 6 46.32 0.00 8.70 2.47 0.10 42.41 06:45:01 7 46.77 0.00 8.56 2.50 0.08 42.09 06:46:01 all 42.23 0.11 6.50 0.50 0.08 50.58 06:46:01 0 39.19 0.00 6.09 0.02 0.07 54.63 06:46:01 1 47.99 0.00 6.54 0.34 0.08 45.05 06:46:01 2 39.08 0.00 6.70 0.22 0.08 53.92 06:46:01 3 42.54 0.00 6.86 1.85 0.08 48.67 06:46:01 4 42.49 0.00 6.05 0.10 0.08 51.28 06:46:01 5 41.29 0.00 6.01 0.96 0.10 51.63 06:46:01 6 42.32 0.00 7.69 0.44 0.08 49.47 06:46:01 7 42.97 0.83 6.10 0.05 0.08 49.97 06:47:01 all 8.96 0.12 3.50 0.84 0.09 86.49 06:47:01 0 7.98 0.00 3.29 0.07 0.10 88.57 06:47:01 1 7.91 0.00 2.75 0.67 0.08 88.58 06:47:01 2 7.12 0.00 2.58 0.86 0.08 89.36 06:47:01 3 10.00 0.00 3.25 0.32 0.08 86.35 06:47:01 4 8.68 0.00 3.34 0.29 0.08 87.60 06:47:01 5 13.11 0.00 5.06 2.76 0.08 78.98 06:47:01 6 8.74 0.00 4.25 1.58 0.08 85.34 06:47:01 7 8.20 0.95 3.49 0.24 0.10 87.02 06:48:01 all 11.21 0.00 1.25 0.49 0.07 86.98 06:48:01 0 6.45 0.00 1.18 0.47 0.07 91.84 06:48:01 1 15.23 0.00 1.89 0.99 0.10 81.80 06:48:01 2 11.85 0.00 1.52 0.37 0.08 86.18 06:48:01 3 11.03 0.00 1.34 0.90 0.08 86.64 06:48:01 4 6.94 0.00 0.97 0.10 0.05 91.94 06:48:01 5 21.83 0.00 1.54 0.73 0.08 75.82 06:48:01 6 7.46 0.00 0.94 0.30 0.02 91.28 06:48:01 7 8.84 0.00 0.64 0.08 0.05 90.39 Average: all 23.43 0.17 4.43 1.55 0.08 70.35 Average: 0 21.55 0.00 4.36 1.91 0.08 72.10 Average: 1 24.87 0.00 4.55 2.24 0.09 68.24 Average: 2 21.63 0.00 4.19 0.70 0.08 73.40 Average: 3 23.20 0.67 4.51 1.13 0.08 70.41 Average: 4 23.60 0.00 4.34 1.36 0.08 70.61 Average: 5 26.87 0.32 4.51 1.72 0.08 66.50 Average: 6 22.61 0.00 4.74 1.20 0.07 71.38 Average: 7 23.09 0.35 4.24 2.11 0.08 70.13