---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-5116 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/0e11feaf73e458a400e8523866bcee26918ef4abc7e68b004ffef791a7b483cb/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d97c626107d28be52db5a8625b30f22d59d365edd0d2735aa1ddf5d823629811/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/200d501bdddbcccb6e5f4cdb759d518420473a38b031dfb81cb50622f39df8ef/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ad0182f2310573a16859d6388d2c93c7ef87c78c7694768cdcccfa1f2ada3987/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1f12f347dc14e4f13a848840ed0560a94533fc9d8ec95d59c9a58920f2d2d927/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1547 24157 1 6462 30162 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:18:fd:b5 brd ff:ff:ff:ff:ff:ff inet 10.30.107.147/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86071sec preferred_lft 86071sec inet6 fe80::f816:3eff:fe18:fdb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:50:78:a3:3f 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::42:50ff:fe78:a33f/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ee:32:24:79:f8:28 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::ec32:24ff:fe79:f828/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 7a:16:be:a8:52:81 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::7816:beff:fea8:5281/64 scope link valid_lft forever preferred_lft forever 8: vethc1bc7a07@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:e8:1a:7b:7e:1b brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::28e8:1aff:fe7b:7e1b/64 scope link valid_lft forever preferred_lft forever 9: vethe1d96ce5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:de:89:9a:11:3c brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::44de:89ff:fe9a:113c/64 scope link valid_lft forever preferred_lft forever 10: vethf2534979@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:4c:72:15:be:a3 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::944c:72ff:fe15:bea3/64 scope link valid_lft forever preferred_lft forever 11: vethbd5672ad@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a2:46:c2:70:68:2d brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::a046:c2ff:fe70:682d/64 scope link valid_lft forever preferred_lft forever 12: veth8855fda4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:a4:9e:ff:f6:7f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::84a4:9eff:feff:f67f/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-5116) 10/26/26 _x86_64_ (8 CPU) 06:04:51 LINUX RESTART (8 CPU) 06:05:01 tps rtps wtps bread/s bwrtn/s 06:06:01 399.55 133.11 266.44 8005.86 150125.29 06:07:01 374.39 3.30 371.09 368.21 145596.80 06:08:01 83.94 3.15 80.79 432.46 44156.11 06:09:01 165.06 18.50 146.56 764.81 75131.34 06:10:01 105.25 2.60 102.65 94.77 11183.21 Average: 225.64 32.13 193.50 1933.36 85238.24 06:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:06:01 28915124 31285044 4024096 12.22 57916 2604528 2191768 6.65 1641608 2035260 450700 06:07:01 26035956 31046748 6903264 20.96 119736 4986308 2805684 8.52 2159180 4134824 502656 06:08:01 26901624 31050716 6037596 18.33 121280 4236740 2592148 7.87 2093092 3456948 103624 06:09:01 25206016 30898392 7733204 23.48 129400 5713648 3293400 10.00 2504820 4665172 44288 06:10:01 24785860 30925448 8153360 24.75 140228 6103996 3294840 10.00 2492292 5050708 228724 Average: 26368916 31041270 6570304 19.95 113712 4729044 2835568 8.61 2178198 3868582 265998 06:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:06:01 ens3 711.06 457.31 8149.06 88.47 0.00 0.00 0.00 0.00 06:06:01 lo 154.77 154.77 75.06 75.06 0.00 0.00 0.00 0.00 06:06:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 vethbd5672ad 0.15 0.50 0.01 0.04 0.00 0.00 0.00 0.00 06:07:01 ens3 312.15 191.25 4441.07 23.95 0.00 0.00 0.00 0.00 06:07:01 veth8855fda4 4.98 4.42 0.90 1.65 0.00 0.00 0.00 0.00 06:07:01 lo 76.32 76.32 99.97 99.97 0.00 0.00 0.00 0.00 06:08:01 vethbd5672ad 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:08:01 ens3 35.28 15.56 202.22 1.91 0.00 0.00 0.00 0.00 06:08:01 veth8855fda4 1.47 1.58 0.12 0.20 0.00 0.00 0.00 0.00 06:08:01 lo 12.16 12.16 3.74 3.74 0.00 0.00 0.00 0.00 06:09:01 vethbd5672ad 0.02 0.17 0.00 0.01 0.00 0.00 0.00 0.00 06:09:01 ens3 269.96 155.79 6061.32 16.37 0.00 0.00 0.00 0.00 06:09:01 veth8855fda4 1.63 1.88 0.14 0.42 0.00 0.00 0.00 0.00 06:09:01 lo 44.73 44.73 17.37 17.37 0.00 0.00 0.00 0.00 06:10:01 vethbd5672ad 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 ens3 96.80 60.33 1486.76 10.57 0.00 0.00 0.00 0.00 06:10:01 veth8855fda4 1.48 1.52 0.13 0.19 0.00 0.00 0.00 0.00 06:10:01 lo 20.23 20.23 4.90 4.90 0.00 0.00 0.00 0.00 Average: vethbd5672ad 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: ens3 285.06 176.06 4068.14 28.26 0.00 0.00 0.00 0.00 Average: veth8855fda4 1.91 1.88 0.26 0.49 0.00 0.00 0.00 0.00 Average: lo 61.64 61.64 40.21 40.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-5116) 10/26/26 _x86_64_ (8 CPU) 06:04:51 LINUX RESTART (8 CPU) 06:05:01 CPU %user %nice %system %iowait %steal %idle 06:06:01 all 11.23 0.65 3.42 2.44 0.01 82.25 06:06:01 0 11.27 3.11 3.40 0.42 0.02 81.78 06:06:01 1 11.72 0.00 4.24 4.95 0.00 79.08 06:06:01 2 9.98 0.00 2.88 2.06 0.00 85.08 06:06:01 3 17.64 0.02 3.33 0.84 0.00 78.17 06:06:01 4 10.22 2.06 4.58 1.57 0.00 81.57 06:06:01 5 10.69 0.00 3.28 2.73 0.00 83.30 06:06:01 6 7.33 0.00 3.36 1.72 0.00 87.59 06:06:01 7 11.05 0.00 2.30 5.30 0.00 81.35 06:07:01 all 48.14 0.00 8.32 1.45 0.02 42.08 06:07:01 0 47.50 0.00 8.37 1.04 0.02 43.07 06:07:01 1 50.49 0.00 9.12 0.98 0.02 39.40 06:07:01 2 46.27 0.00 7.80 1.74 0.02 44.18 06:07:01 3 48.72 0.00 8.13 0.54 0.03 42.58 06:07:01 4 47.29 0.00 9.20 2.13 0.02 41.36 06:07:01 5 48.17 0.00 9.17 3.68 0.02 38.96 06:07:01 6 47.98 0.00 7.89 1.23 0.03 42.87 06:07:01 7 48.71 0.00 6.87 0.20 0.00 44.22 06:08:01 all 45.39 0.00 6.78 0.42 0.01 47.40 06:08:01 0 51.37 0.00 7.57 0.02 0.00 41.05 06:08:01 1 44.83 0.00 6.64 0.03 0.02 48.47 06:08:01 2 45.56 0.00 6.50 0.02 0.02 47.91 06:08:01 3 47.46 0.00 6.49 0.00 0.02 46.03 06:08:01 4 42.06 0.00 6.47 0.82 0.02 50.63 06:08:01 5 41.76 0.00 6.75 2.29 0.03 49.17 06:08:01 6 45.21 0.00 6.73 0.18 0.02 47.86 06:08:01 7 44.86 0.00 7.04 0.00 0.02 48.08 06:09:01 all 8.76 0.21 3.90 0.90 0.01 86.22 06:09:01 0 9.16 0.00 5.08 1.06 0.02 84.69 06:09:01 1 7.14 0.00 3.22 0.24 0.00 89.41 06:09:01 2 7.51 1.67 3.79 0.17 0.00 86.87 06:09:01 3 8.33 0.02 4.11 1.14 0.00 86.40 06:09:01 4 6.02 0.00 3.97 1.56 0.00 88.45 06:09:01 5 7.99 0.00 4.53 1.97 0.00 85.51 06:09:01 6 11.34 0.00 3.06 0.66 0.00 84.94 06:09:01 7 12.61 0.00 3.46 0.35 0.02 83.56 06:10:01 all 11.65 0.00 1.38 0.60 0.01 86.36 06:10:01 0 13.66 0.00 1.74 1.79 0.00 82.82 06:10:01 1 17.35 0.00 2.09 0.43 0.02 80.11 06:10:01 2 12.74 0.00 1.17 0.53 0.02 85.54 06:10:01 3 21.87 0.00 1.74 0.67 0.02 75.71 06:10:01 4 8.70 0.00 1.22 0.63 0.00 89.45 06:10:01 5 5.40 0.00 1.15 0.50 0.00 92.95 06:10:01 6 5.27 0.00 1.02 0.10 0.00 93.61 06:10:01 7 8.27 0.00 0.97 0.15 0.00 90.61 Average: all 25.01 0.17 4.75 1.16 0.01 68.89 Average: 0 26.56 0.62 5.22 0.87 0.01 66.72 Average: 1 26.30 0.00 5.06 1.33 0.01 67.31 Average: 2 24.38 0.33 4.42 0.90 0.01 69.96 Average: 3 28.79 0.01 4.75 0.64 0.01 65.79 Average: 4 22.81 0.41 5.08 1.34 0.01 70.35 Average: 5 22.74 0.00 4.97 2.23 0.01 70.05 Average: 6 23.40 0.00 4.41 0.78 0.01 71.41 Average: 7 25.11 0.00 4.13 1.20 0.01 69.56