---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6295 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/fa62be2215dabc13b6af9a3edfdbbbe5ef4e6f1c978ab2b32c78bfd1ed1606ff/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/185204fa3d70fa9688e897ad91b3a114a11b18abf37c43ecd37d41ea304b04c2/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/c870877ddc49adaac578e4632f814affa0316bbf4de01588054ba08cd37a5888/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/8e7e9e6c5945ea853cd7ab623e1833eedf6a914a60b3b394411187182654e131/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9601ab462243e56d147ad0bbc2924d15e18957cae256b197d3b5138b1bd75512/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1532 24167 1 6466 30177 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:c7:28:00 brd ff:ff:ff:ff:ff:ff inet 10.30.106.246/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86068sec preferred_lft 86068sec inet6 fe80::f816:3eff:fec7:2800/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a5:3e:65:5c 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:a5ff:fe3e:655c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 02:ba:bb:ef:12:cf 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::ba:bbff:feef:12cf/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 76:1a:de:56:73:64 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::741a:deff:fe56:7364/64 scope link valid_lft forever preferred_lft forever 8: vethaeffce71@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:6f:62:29:34:5e brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::7c6f:62ff:fe29:345e/64 scope link valid_lft forever preferred_lft forever 9: veth79a1f4f5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:2a:c2:94:52:23 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::282a:c2ff:fe94:5223/64 scope link valid_lft forever preferred_lft forever 10: veth4cd6db5b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:a9:bc:10:f6:ec brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::94a9:bcff:fe10:f6ec/64 scope link valid_lft forever preferred_lft forever 11: veth63e3a33f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:7c:a8:07:3a:79 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::507c:a8ff:fe07:3a79/64 scope link valid_lft forever preferred_lft forever 12: veth29ba832f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 3e:55:6c:77:98:d6 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::3c55:6cff:fe77:98d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6295) 10/29/26 _x86_64_ (8 CPU) 16:49:49 LINUX RESTART (8 CPU) 16:50:01 tps rtps wtps bread/s bwrtn/s 16:51:01 389.24 94.95 294.29 6171.41 127313.83 16:52:01 402.73 41.34 361.39 2188.17 153586.67 16:53:01 125.33 3.07 122.26 422.06 55818.56 16:54:01 166.01 18.46 147.54 750.81 75887.49 16:55:01 106.22 2.60 103.62 94.78 11496.75 Average: 237.91 32.09 205.82 1925.59 84822.08 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:51:01 29572344 31422448 3366876 10.22 45904 2117480 1865448 5.66 1366792 1704856 4124 16:52:01 25444628 30935628 7494592 22.75 120748 5453464 3002868 9.12 2792392 4086088 1073612 16:53:01 26962604 31106876 5976616 18.14 121844 4228816 2519756 7.65 2024904 3461836 256 16:54:01 25251324 30936768 7687896 23.34 130108 5706292 3316764 10.07 2459240 4669308 32956 16:55:01 24748288 30892464 8190932 24.87 139640 6107504 3407744 10.35 2523628 5057972 222392 Average: 26395838 31058837 6543382 19.87 111649 4722711 2822516 8.57 2233391 3796012 266668 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:51:01 ens3 449.47 329.61 2476.07 77.65 0.00 0.00 0.00 0.00 16:51:01 lo 62.58 62.58 16.92 16.92 0.00 0.00 0.00 0.00 16:52:01 veth79a1f4f5 2.93 3.95 0.30 0.73 0.00 0.00 0.00 0.00 16:52:01 veth4cd6db5b 7.42 9.37 2.31 2.44 0.00 0.00 0.00 0.00 16:52:01 cni0 39.54 38.48 21.35 92.42 0.00 0.00 0.87 0.00 16:52:01 vethaeffce71 0.58 1.50 0.10 0.22 0.00 0.00 0.00 0.00 16:53:01 veth79a1f4f5 2.95 3.33 0.27 0.29 0.00 0.00 0.00 0.00 16:53:01 veth4cd6db5b 7.05 8.30 2.09 0.97 0.00 0.00 0.00 0.00 16:53:01 cni0 11.65 13.08 2.34 1.45 0.00 0.00 0.08 0.00 16:53:01 vethaeffce71 0.15 0.20 0.01 0.02 0.00 0.00 0.00 0.00 16:54:01 veth79a1f4f5 3.17 3.57 0.29 0.41 0.00 0.00 0.00 0.00 16:54:01 veth4cd6db5b 7.28 8.75 2.15 1.12 0.00 0.00 0.00 0.00 16:54:01 cni0 12.33 13.73 2.43 1.91 0.00 0.00 0.18 0.00 16:54:01 vethaeffce71 0.15 0.30 0.01 0.03 0.00 0.00 0.00 0.00 16:55:01 veth79a1f4f5 2.98 3.33 0.28 0.29 0.00 0.00 0.00 0.00 16:55:01 veth4cd6db5b 6.97 8.57 2.11 1.08 0.00 0.00 0.00 0.00 16:55:01 cni0 11.61 13.46 2.37 1.57 0.00 0.00 0.03 0.00 16:55:01 vethaeffce71 0.13 0.15 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth79a1f4f5 2.41 2.84 0.23 0.34 0.00 0.00 0.00 0.00 Average: veth4cd6db5b 5.74 7.00 1.73 1.12 0.00 0.00 0.00 0.00 Average: cni0 15.03 15.75 5.70 19.47 0.00 0.00 0.23 0.00 Average: vethaeffce71 0.20 0.43 0.02 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6295) 10/29/26 _x86_64_ (8 CPU) 16:49:49 LINUX RESTART (8 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 16:51:01 all 8.62 0.65 2.48 6.07 0.01 82.17 16:51:01 0 7.64 0.03 2.21 1.37 0.02 88.73 16:51:01 1 9.16 0.00 2.24 1.29 0.02 87.30 16:51:01 2 5.85 0.00 1.96 4.67 0.00 87.52 16:51:01 3 8.44 0.00 2.65 12.92 0.02 75.97 16:51:01 4 6.92 0.00 3.24 2.72 0.02 87.10 16:51:01 5 16.13 0.00 2.08 2.34 0.02 79.44 16:51:01 6 7.92 0.00 3.00 20.19 0.02 68.87 16:51:01 7 6.90 5.13 2.46 3.08 0.02 82.42 16:52:01 all 49.58 0.00 9.07 2.13 0.03 39.19 16:52:01 0 50.21 0.00 9.45 1.10 0.03 39.21 16:52:01 1 48.02 0.00 9.64 3.80 0.03 38.50 16:52:01 2 48.56 0.00 9.44 2.18 0.03 39.78 16:52:01 3 49.97 0.00 9.33 0.96 0.02 39.72 16:52:01 4 48.02 0.00 9.02 0.75 0.02 42.20 16:52:01 5 50.74 0.00 8.60 1.42 0.03 39.21 16:52:01 6 48.70 0.00 9.04 6.08 0.02 36.16 16:52:01 7 52.43 0.00 8.10 0.71 0.03 38.72 16:53:01 all 43.78 0.00 6.71 0.52 0.03 48.96 16:53:01 0 42.70 0.00 6.15 0.57 0.02 50.56 16:53:01 1 43.19 0.00 6.60 0.72 0.03 49.46 16:53:01 2 49.78 0.00 7.40 0.07 0.03 42.72 16:53:01 3 40.58 0.00 6.98 0.14 0.03 52.27 16:53:01 4 42.03 0.00 6.57 0.00 0.02 51.39 16:53:01 5 47.82 0.00 6.78 0.00 0.03 45.37 16:53:01 6 41.69 0.00 6.34 0.99 0.02 50.96 16:53:01 7 42.43 0.00 6.86 1.70 0.02 48.99 16:54:01 all 8.53 0.22 3.78 1.02 0.02 86.43 16:54:01 0 8.27 1.73 4.11 0.84 0.03 85.03 16:54:01 1 7.03 0.00 2.99 1.21 0.02 88.75 16:54:01 2 6.49 0.00 3.95 0.20 0.02 89.34 16:54:01 3 7.78 0.00 4.13 0.15 0.03 87.91 16:54:01 4 6.14 0.00 3.23 0.87 0.02 89.75 16:54:01 5 8.85 0.00 3.59 0.30 0.02 87.23 16:54:01 6 12.28 0.00 4.01 0.40 0.02 83.29 16:54:01 7 11.49 0.00 4.18 4.14 0.03 80.15 16:55:01 all 11.67 0.00 1.37 0.55 0.01 86.40 16:55:01 0 12.12 0.00 1.56 0.42 0.00 85.91 16:55:01 1 26.28 0.00 2.19 1.20 0.00 70.34 16:55:01 2 17.09 0.00 1.82 0.47 0.02 80.61 16:55:01 3 13.73 0.00 1.09 0.05 0.03 85.10 16:55:01 4 7.05 0.00 1.15 0.25 0.02 91.54 16:55:01 5 6.11 0.00 1.07 0.03 0.00 92.79 16:55:01 6 4.75 0.00 1.09 0.02 0.02 94.13 16:55:01 7 6.22 0.00 1.04 1.99 0.02 90.73 Average: all 24.37 0.17 4.67 2.06 0.02 68.71 Average: 0 24.14 0.35 4.69 0.86 0.02 69.94 Average: 1 26.69 0.00 4.72 1.64 0.02 66.94 Average: 2 25.49 0.00 4.90 1.52 0.02 68.07 Average: 3 24.04 0.00 4.82 2.85 0.03 68.27 Average: 4 21.89 0.00 4.62 0.91 0.02 72.56 Average: 5 25.86 0.00 4.41 0.82 0.02 68.88 Average: 6 23.01 0.00 4.69 5.54 0.02 66.75 Average: 7 23.84 1.03 4.52 2.33 0.02 68.26