---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-6782 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 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/42b27d12a29b5c93b81c36913d2b3f3dda4a6cf0b649c564ebfdf4220e0114b0/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e820c5e72f356e5caafa206f4f2ed4a383a930c1fead9f7da777d51f007e8153/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d594558a3e148aaf26a610b24f02ab6bcac3f0aa44fb07947e89becab74a296f/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/a53d30f1184f3f3983c7f3cc2a29bb48617e977ecd2823b8c8e4d92355f5cb10/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b736a74b990e248167b5b13c3815555a1344d890431d3174953419d270c91aa5/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1548 24176 1 6442 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:14:47:48 brd ff:ff:ff:ff:ff:ff inet 10.30.107.193/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe14:4748/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:28:d8:ce:4a 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::42:28ff:fed8:ce4a/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 7e:dd:fc:69:f9:dd 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::7cdd:fcff:fe69:f9dd/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 0e:dc:e4:fb:b3:ea 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::fc1f:70ff:fe49:5b23/64 scope link valid_lft forever preferred_lft forever 6: veth2e0a56fe@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0e:dc:e4:fb:b3:ea brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::cdc:e4ff:fefb:b3ea/64 scope link valid_lft forever preferred_lft forever 8: veth36813dd6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:dd:19:d8:eb:bd brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::94dd:19ff:fed8:ebbd/64 scope link valid_lft forever preferred_lft forever 10: vethba20a942@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ca:04:43:50:29:f5 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::c804:43ff:fe50:29f5/64 scope link valid_lft forever preferred_lft forever 13: veth9e360b53@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a2:2c:2f:43:11:f9 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::a02c:2fff:fe43:11f9/64 scope link valid_lft forever preferred_lft forever 14: veth500eaeb3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 56:86:90:5e:a7:ec brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::5486:90ff:fe5e:a7ec/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-6782) 07/08/26 _x86_64_ (8 CPU) 11:22:43 LINUX RESTART (8 CPU) 11:23:02 tps rtps wtps bread/s bwrtn/s 11:24:01 522.35 131.89 390.46 7611.86 165334.15 11:25:01 409.78 3.40 406.38 351.41 118808.73 11:26:01 189.27 3.40 185.87 468.91 79362.88 11:27:01 112.46 20.30 92.17 746.81 36674.69 11:28:01 117.65 1.05 116.60 71.59 10282.95 Average: 269.46 31.67 237.79 1830.80 81814.24 11:23:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:24:01 28000452 31172612 4938768 14.99 70856 3392848 2704040 8.21 1738096 2792800 1098964 11:25:01 25996796 31056724 6942424 21.08 134212 5013188 2817948 8.55 2200996 4125996 546596 11:26:01 26331008 31046032 6608212 20.06 137872 4771128 2901924 8.81 2258352 3843788 127868 11:27:01 25095700 30860056 7843520 23.81 147996 5761052 3363960 10.21 2563564 4715384 94152 11:28:01 24731300 30857424 8207920 24.92 153704 6080068 3361464 10.21 2575684 5027276 218840 Average: 26031051 30998570 6908169 20.97 128928 5003657 3029867 9.20 2267338 4101049 417284 11:23:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:24:01 lo 164.89 164.89 79.01 79.01 0.00 0.00 0.00 0.00 11:24:01 veth2e0a56fe 0.44 0.92 0.09 0.18 0.00 0.00 0.00 0.00 11:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 vethc0f9b255 0.10 0.53 0.01 0.04 0.00 0.00 0.00 0.00 11:25:01 lo 70.14 70.14 96.22 96.22 0.00 0.00 0.00 0.00 11:25:01 veth2e0a56fe 0.20 0.72 0.01 0.06 0.00 0.00 0.00 0.00 11:25:01 docker0 125.78 194.17 10.51 1604.80 0.00 0.00 0.00 0.00 11:25:01 veth36813dd6 8.73 10.93 2.68 2.63 0.00 0.00 0.00 0.00 11:26:01 lo 14.85 14.85 4.00 4.00 0.00 0.00 0.00 0.00 11:26:01 veth2e0a56fe 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 11:26:01 docker0 5.41 6.38 0.38 18.94 0.00 0.00 0.00 0.00 11:26:01 veth36813dd6 7.23 8.56 2.14 1.01 0.00 0.00 0.00 0.00 11:27:01 lo 44.76 44.76 17.59 17.59 0.00 0.00 0.00 0.00 11:27:01 veth2e0a56fe 0.12 0.25 0.01 0.03 0.00 0.00 0.00 0.00 11:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:27:01 veth36813dd6 7.25 8.55 2.15 1.18 0.00 0.00 0.00 0.00 11:28:01 lo 20.03 20.03 4.84 4.84 0.00 0.00 0.00 0.00 11:28:01 veth2e0a56fe 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:28:01 veth36813dd6 7.02 8.35 2.13 0.99 0.00 0.00 0.00 0.00 Average: lo 62.59 62.59 40.20 40.20 0.00 0.00 0.00 0.00 Average: veth2e0a56fe 0.20 0.43 0.02 0.06 0.00 0.00 0.00 0.00 Average: docker0 26.33 40.24 2.19 325.82 0.00 0.00 0.00 0.00 Average: veth36813dd6 6.07 7.30 1.83 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-6782) 07/08/26 _x86_64_ (8 CPU) 11:22:43 LINUX RESTART (8 CPU) 11:23:02 CPU %user %nice %system %iowait %steal %idle 11:24:01 all 13.32 0.71 4.18 3.94 0.07 77.78 11:24:01 0 15.74 0.00 5.33 6.64 0.07 72.22 11:24:01 1 8.36 0.00 4.53 14.72 0.09 72.30 11:24:01 2 12.18 0.00 3.91 0.60 0.07 83.24 11:24:01 3 16.01 0.00 3.51 1.26 0.07 79.15 11:24:01 4 17.73 2.37 4.25 1.42 0.09 74.14 11:24:01 5 11.99 0.00 4.02 3.80 0.07 80.13 11:24:01 6 13.60 0.00 3.84 1.84 0.07 80.65 11:24:01 7 10.87 3.34 4.04 1.24 0.09 80.41 11:25:01 all 39.70 0.00 6.35 4.46 0.11 49.38 11:25:01 0 39.47 0.00 6.19 2.83 0.12 51.39 11:25:01 1 39.39 0.00 6.09 3.42 0.12 50.98 11:25:01 2 39.58 0.00 6.00 2.71 0.10 51.60 11:25:01 3 36.27 0.00 6.78 4.33 0.10 52.53 11:25:01 4 39.48 0.00 6.50 8.64 0.12 45.26 11:25:01 5 39.82 0.00 5.69 3.85 0.10 50.53 11:25:01 6 44.58 0.00 6.45 8.91 0.12 39.94 11:25:01 7 39.04 0.00 7.04 0.96 0.12 52.84 11:26:01 all 36.47 0.23 6.04 1.46 0.11 55.69 11:26:01 0 34.64 0.32 5.66 0.13 0.10 59.14 11:26:01 1 37.90 0.00 6.04 0.57 0.10 55.38 11:26:01 2 34.88 0.00 5.51 3.83 0.12 55.66 11:26:01 3 38.51 0.00 5.95 3.95 0.12 51.47 11:26:01 4 39.28 0.00 6.68 0.02 0.10 53.93 11:26:01 5 33.86 0.92 5.91 0.03 0.08 59.18 11:26:01 6 36.09 0.61 6.10 2.25 0.14 54.81 11:26:01 7 36.61 0.00 6.44 0.86 0.12 55.97 11:27:01 all 8.31 0.00 2.28 1.09 0.08 88.25 11:27:01 0 9.93 0.00 2.38 0.75 0.10 86.84 11:27:01 1 8.22 0.00 3.20 0.97 0.08 87.53 11:27:01 2 4.24 0.00 1.83 0.07 0.08 93.78 11:27:01 3 10.44 0.00 2.32 5.14 0.08 82.02 11:27:01 4 6.48 0.00 1.37 0.10 0.07 91.98 11:27:01 5 11.55 0.00 2.47 0.20 0.07 85.71 11:27:01 6 8.45 0.00 2.41 0.08 0.08 88.97 11:27:01 7 7.16 0.00 2.30 1.43 0.07 89.03 11:28:01 all 11.47 0.00 1.30 0.45 0.07 86.70 11:28:01 0 15.24 0.00 1.84 0.50 0.05 82.38 11:28:01 1 16.54 0.00 1.71 0.28 0.07 81.40 11:28:01 2 4.87 0.00 0.81 0.29 0.05 93.99 11:28:01 3 16.10 0.00 1.44 0.20 0.08 82.18 11:28:01 4 15.96 0.00 1.31 1.56 0.08 81.09 11:28:01 5 4.69 0.00 0.91 0.10 0.10 94.20 11:28:01 6 5.56 0.00 0.96 0.07 0.07 93.35 11:28:01 7 12.72 0.00 1.42 0.62 0.07 85.17 Average: all 21.85 0.19 4.02 2.27 0.09 71.58 Average: 0 23.01 0.06 4.27 2.15 0.09 70.42 Average: 1 22.10 0.00 4.30 3.95 0.09 69.55 Average: 2 19.15 0.00 3.61 1.50 0.08 75.66 Average: 3 23.45 0.00 3.99 2.97 0.09 69.49 Average: 4 23.78 0.47 4.02 2.35 0.09 69.30 Average: 5 20.39 0.19 3.80 1.59 0.08 73.96 Average: 6 21.64 0.12 3.95 2.63 0.09 71.56 Average: 7 21.30 0.65 4.25 1.02 0.09 72.69