---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6234 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 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/8458b8231a55634e9bf24dfbb187fedd26ec865cfd957279d8aa129c7c6cae4d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2aaa04953734d50be950f221917e99457a81294f9cd2eb5487b69c14e6fa0d07/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b6907f8bdee8442a02a0e2386f71f06694b74ef18c1f0f0e0d20f89b92f9418e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c76e948f7cbe9ae9f76159f60b4935b29fab9fff3e6c40f8021e5d9965c6e34d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9b0f261bbbb4c33be43f162428b43c37d1d14a1af89f9a0f75a3ba89d8787646/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1574 24122 1 6470 30136 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:50:97:c7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.131/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86048sec preferred_lft 86048sec inet6 fe80::f816:3eff:fe50:97c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:57:db:a3 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:efff:fe57:dba3/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 96:39:67:a3:27:58 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::9439:67ff:fea3:2758/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 36:e7:92:7b:66:1d 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::34e7:92ff:fe7b:661d/64 scope link valid_lft forever preferred_lft forever 7: veth7f1eb489@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:2f:60:c8:aa:ca brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::882f:60ff:fec8:aaca/64 scope link valid_lft forever preferred_lft forever 9: vethf66b5154@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 22:85:2d:51:76:47 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::2085:2dff:fe51:7647/64 scope link valid_lft forever preferred_lft forever 10: vethd7f5b04c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ee:32:2e:4a:3b:04 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::ec32:2eff:fe4a:3b04/64 scope link valid_lft forever preferred_lft forever 13: veth61defadf@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 06:cf:df:4b:2f:7f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4cf:dfff:fe4b:2f7f/64 scope link valid_lft forever preferred_lft forever 14: veth84249dfa@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 16:ba:16:5a:05:da brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::14ba:16ff:fe5a:5da/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-6234) 10/29/26 _x86_64_ (8 CPU) 13:50:24 LINUX RESTART (8 CPU) 13:51:01 tps rtps wtps bread/s bwrtn/s 13:52:01 531.07 83.97 447.10 3780.74 134981.67 13:53:01 119.96 0.03 119.93 0.27 58630.06 13:54:02 167.29 3.38 163.91 462.59 98078.85 13:55:01 140.57 20.89 119.67 796.34 79050.19 13:56:01 98.77 1.12 97.65 85.59 10814.60 Average: 211.78 21.88 189.89 1025.93 76303.29 13:51:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:52:01 26671220 31040068 6268000 19.03 113396 4390728 2817308 8.55 2063588 3639448 272460 13:53:01 25573464 30774464 7365756 22.36 120680 5171160 3322116 10.09 2836592 3913808 449744 13:54:02 25840296 31013144 7098924 21.55 124100 5232180 2787548 8.46 2248332 4334152 437052 13:55:01 25151552 30869336 7787668 23.64 132756 5731252 3299220 10.02 2538028 4684100 54444 13:56:01 24770760 30925332 8168460 24.80 141412 6117244 3247952 9.86 2496376 5062168 232760 Average: 25601458 30924469 7337762 22.28 126469 5328513 3094829 9.40 2436583 4326735 289292 13:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:52:01 veth84249dfa 4.87 3.92 1.07 1.85 0.00 0.00 0.00 0.00 13:52:01 veth7f1eb489 4.78 6.36 1.53 2.12 0.00 0.00 0.00 0.00 13:52:01 docker0 93.24 178.61 7.16 1492.95 0.00 0.00 0.00 0.00 13:52:01 vethf66b5154 1.83 2.67 0.20 0.62 0.00 0.00 0.00 0.00 13:53:01 veth84249dfa 1.52 1.70 0.13 0.20 0.00 0.00 0.00 0.00 13:53:01 veth7f1eb489 6.28 7.83 1.90 0.92 0.00 0.00 0.00 0.00 13:53:01 docker0 8.23 12.43 0.72 1.77 0.00 0.00 0.00 0.00 13:53:01 vethf66b5154 2.68 3.17 0.25 0.27 0.00 0.00 0.00 0.00 13:54:02 veth84249dfa 1.48 1.58 0.13 0.20 0.00 0.00 0.00 0.00 13:54:02 veth7f1eb489 7.02 8.35 2.12 0.98 0.00 0.00 0.00 0.00 13:54:02 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 13:54:02 vethf66b5154 3.05 3.48 0.28 0.30 0.00 0.00 0.00 0.00 13:55:01 veth84249dfa 1.49 1.64 0.13 0.38 0.00 0.00 0.00 0.00 13:55:01 veth7f1eb489 7.13 8.12 2.08 1.07 0.00 0.00 0.00 0.00 13:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:55:01 vethf66b5154 3.03 3.30 0.28 0.39 0.00 0.00 0.00 0.00 13:56:01 veth84249dfa 1.43 1.45 0.12 0.17 0.00 0.00 0.00 0.00 13:56:01 veth7f1eb489 7.23 8.35 2.14 1.06 0.00 0.00 0.00 0.00 13:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:56:01 vethf66b5154 3.02 3.42 0.28 0.29 0.00 0.00 0.00 0.00 Average: veth84249dfa 2.16 2.06 0.32 0.56 0.00 0.00 0.00 0.00 Average: veth7f1eb489 6.49 7.80 1.95 1.23 0.00 0.00 0.00 0.00 Average: docker0 20.37 38.36 1.58 299.97 0.00 0.00 0.00 0.00 Average: vethf66b5154 2.72 3.21 0.26 0.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6234) 10/29/26 _x86_64_ (8 CPU) 13:50:24 LINUX RESTART (8 CPU) 13:51:01 CPU %user %nice %system %iowait %steal %idle 13:52:01 all 15.59 0.62 5.82 7.90 0.02 70.05 13:52:01 0 13.32 3.08 5.75 10.46 0.02 67.36 13:52:01 1 15.56 0.00 5.69 11.00 0.03 67.72 13:52:01 2 20.38 0.02 6.22 14.18 0.02 59.19 13:52:01 3 16.41 1.86 6.11 10.45 0.02 65.15 13:52:01 4 15.12 0.00 5.65 6.78 0.02 72.42 13:52:01 5 15.33 0.00 5.67 1.69 0.02 77.30 13:52:01 6 14.97 0.00 6.46 4.50 0.02 74.06 13:52:01 7 13.64 0.00 5.01 4.07 0.02 77.26 13:53:01 all 43.78 0.00 5.49 0.99 0.02 49.73 13:53:01 0 44.31 0.00 5.42 2.06 0.03 48.18 13:53:01 1 42.27 0.00 5.83 3.24 0.02 48.65 13:53:01 2 43.18 0.00 5.37 0.77 0.02 50.66 13:53:01 3 44.06 0.00 5.66 1.18 0.02 49.08 13:53:01 4 47.53 0.00 5.96 0.00 0.03 46.49 13:53:01 5 41.85 0.00 5.16 0.07 0.02 52.90 13:53:01 6 44.01 0.00 5.60 0.59 0.02 49.78 13:53:01 7 43.03 0.00 4.86 0.00 0.00 52.10 13:54:02 all 42.25 0.22 6.97 2.39 0.02 48.15 13:54:02 0 40.55 0.00 6.82 0.19 0.03 52.41 13:54:02 1 46.66 0.00 6.73 4.12 0.02 42.47 13:54:02 2 43.00 0.00 7.11 3.21 0.00 46.68 13:54:02 3 41.06 0.00 6.95 0.10 0.02 51.87 13:54:02 4 41.95 1.73 7.68 0.03 0.02 48.59 13:54:02 5 41.24 0.00 6.58 4.40 0.02 47.77 13:54:02 6 42.31 0.00 7.54 6.74 0.03 43.38 13:54:02 7 41.21 0.00 6.36 0.34 0.03 52.06 13:55:01 all 8.18 0.00 2.69 2.95 0.01 86.16 13:55:01 0 7.76 0.00 2.29 0.17 0.00 89.78 13:55:01 1 15.31 0.00 3.03 1.63 0.00 80.03 13:55:01 2 8.48 0.00 2.41 10.24 0.02 78.85 13:55:01 3 5.31 0.00 2.16 0.24 0.02 92.28 13:55:01 4 4.10 0.00 3.28 1.18 0.02 91.42 13:55:01 5 5.81 0.00 2.66 7.50 0.00 84.04 13:55:01 6 7.99 0.00 2.43 1.03 0.00 88.55 13:55:01 7 10.67 0.00 3.28 1.66 0.02 84.37 13:56:01 all 12.02 0.00 1.41 0.78 0.01 85.77 13:56:01 0 15.29 0.00 1.52 0.18 0.02 82.99 13:56:01 1 22.22 0.00 1.94 0.74 0.02 75.09 13:56:01 2 14.56 0.00 1.51 2.43 0.02 81.49 13:56:01 3 9.79 0.00 1.15 0.33 0.02 88.71 13:56:01 4 12.15 0.00 1.56 0.60 0.02 85.67 13:56:01 5 5.56 0.00 1.11 0.57 0.02 92.74 13:56:01 6 7.42 0.00 1.32 1.32 0.02 89.91 13:56:01 7 9.20 0.00 1.17 0.10 0.00 89.52 Average: all 24.41 0.17 4.48 3.00 0.02 67.94 Average: 0 24.29 0.62 4.36 2.62 0.02 68.09 Average: 1 28.43 0.00 4.64 4.15 0.02 62.76 Average: 2 25.96 0.00 4.53 6.15 0.01 63.34 Average: 3 23.35 0.37 4.40 2.46 0.02 69.40 Average: 4 24.26 0.35 4.83 1.72 0.02 68.83 Average: 5 21.96 0.00 4.23 2.82 0.01 70.96 Average: 6 23.39 0.00 4.67 2.84 0.02 69.09 Average: 7 23.60 0.00 4.14 1.23 0.01 71.02