---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-5440 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/97ae0ccc077ad764fb2f24ba71a76dbe1999a376b9b7632c081d0a28adf35961/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/883eab7b4b37cb1645d310d96d1b2cbe775da5679e256c01ee947448b7f1f79e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b6ffef726326493acd50d9034737e3a32174e3102a8093bc3c5298592c1643ab/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/804bc437e9a78290b1b4110651bc8c55375c07beb8b9a800586af0ec860d486c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/b15f61e3c1102617f3846e3c65530e8a4b78d3f8defa0ce41b8684aaa3efaa9c/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1502 24230 1 6434 30208 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:44:59:eb brd ff:ff:ff:ff:ff:ff inet 10.30.106.98/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fe44:59eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b4:f7:cb:2c 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:b4ff:fef7:cb2c/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 8e:f9:92:32:99:7f 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::8cf9:92ff:fe32:997f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 9e:85:38:5c:72:9c 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::9c85:38ff:fe5c:729c/64 scope link valid_lft forever preferred_lft forever 8: veth7c048df6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 72:a0:22:f6:d4:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::70a0:22ff:fef6:d4e0/64 scope link valid_lft forever preferred_lft forever 9: veth5438cfb0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether de:0c:34:17:16:ad brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::dc0c:34ff:fe17:16ad/64 scope link valid_lft forever preferred_lft forever 10: veth1882aa9b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 2a:71:3d:22:f8:f4 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::2871:3dff:fe22:f8f4/64 scope link valid_lft forever preferred_lft forever 13: veth318bafb0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0a:51:61:52:04:d5 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::851:61ff:fe52:4d5/64 scope link valid_lft forever preferred_lft forever 14: vethf79d5fb1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f6:2a:70:2e:da:10 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::f42a:70ff:fe2e:da10/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-5440) 08/10/26 _x86_64_ (8 CPU) 05:56:25 LINUX RESTART (8 CPU) 05:57:02 tps rtps wtps bread/s bwrtn/s 05:58:01 648.92 100.39 548.53 4370.11 111810.74 05:59:01 235.94 0.58 235.36 4.67 52771.87 06:00:01 181.14 3.43 177.70 470.32 91656.46 06:01:01 124.71 20.35 104.37 757.07 53966.47 Average: 296.21 30.90 265.31 1388.12 77408.07 05:57:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:01 27373344 31132400 5565868 16.90 95640 3889908 2901020 8.81 1863972 3232880 127184 05:59:01 25951388 31100888 6987824 21.21 138376 5095392 2836776 8.61 2501596 3869120 457516 06:00:01 25533796 31103572 7405416 22.48 143072 5593348 2951392 8.96 2206916 4665360 952692 06:01:01 25077996 30903444 7861216 23.87 151420 5812728 3369384 10.23 2537488 4751716 144400 Average: 25984131 31060076 6955081 21.11 132127 5097844 3014643 9.15 2277493 4129769 420448 05:57:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:01 vethc32e53e 37.71 47.21 3.86 12.80 0.00 0.00 0.00 0.00 05:58:01 vethf79d5fb1 4.52 3.66 1.03 1.63 0.00 0.00 0.00 0.00 05:58:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 veth1882aa9b 1.44 2.15 0.16 0.50 0.00 0.00 0.00 0.00 05:59:01 vethc32e53e 158.12 264.71 13.36 1619.06 0.00 0.00 0.00 0.13 05:59:01 vethf79d5fb1 1.60 1.75 0.14 0.38 0.00 0.00 0.00 0.00 05:59:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 veth1882aa9b 2.67 3.22 0.25 0.36 0.00 0.00 0.00 0.00 06:00:01 vethf79d5fb1 1.47 1.55 0.12 0.19 0.00 0.00 0.00 0.00 06:00:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 veth1882aa9b 3.02 3.32 0.28 0.29 0.00 0.00 0.00 0.00 06:00:01 veth7c048df6 0.73 1.75 0.11 0.25 0.00 0.00 0.00 0.00 06:01:01 vethf79d5fb1 1.58 1.80 0.13 0.40 0.00 0.00 0.00 0.00 06:01:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 veth1882aa9b 3.20 3.60 0.29 0.41 0.00 0.00 0.00 0.00 06:01:01 veth7c048df6 0.10 0.22 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethf79d5fb1 2.28 2.18 0.35 0.65 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1882aa9b 2.59 3.07 0.25 0.39 0.00 0.00 0.00 0.00 Average: veth7c048df6 0.21 0.49 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-5440) 08/10/26 _x86_64_ (8 CPU) 05:56:25 LINUX RESTART (8 CPU) 05:57:02 CPU %user %nice %system %iowait %steal %idle 05:58:01 all 15.40 0.69 5.31 5.04 0.09 73.48 05:58:01 0 14.67 0.00 5.26 2.31 0.09 77.67 05:58:01 1 17.27 0.00 4.62 5.17 0.09 72.86 05:58:01 2 19.84 3.70 5.88 4.09 0.09 66.41 05:58:01 3 15.87 0.02 5.04 7.30 0.09 71.69 05:58:01 4 14.17 0.00 6.43 14.75 0.09 64.56 05:58:01 5 16.15 0.00 5.22 1.16 0.10 77.36 05:58:01 6 12.95 1.75 4.86 3.62 0.09 76.73 05:58:01 7 12.29 0.00 5.17 1.95 0.07 80.53 05:59:01 all 39.50 0.00 5.29 1.44 0.12 53.65 05:59:01 0 37.59 0.00 5.19 1.09 0.12 56.02 05:59:01 1 37.03 0.00 5.45 2.98 0.12 54.42 05:59:01 2 38.41 0.00 4.54 1.85 0.12 55.07 05:59:01 3 43.11 0.00 5.74 0.39 0.12 50.65 05:59:01 4 40.10 0.00 5.45 0.76 0.12 53.57 05:59:01 5 39.76 0.00 5.15 1.26 0.12 53.71 05:59:01 6 39.83 0.00 5.30 0.74 0.12 54.01 05:59:01 7 40.20 0.00 5.49 2.43 0.12 51.77 06:00:01 all 36.56 0.24 6.49 2.38 0.11 54.22 06:00:01 0 35.50 0.00 6.23 0.39 0.10 57.78 06:00:01 1 37.02 0.34 5.72 1.65 0.10 55.16 06:00:01 2 36.78 0.00 6.22 1.49 0.12 55.39 06:00:01 3 36.60 0.00 6.60 3.78 0.10 52.92 06:00:01 4 36.46 0.00 7.42 0.17 0.10 55.85 06:00:01 5 38.02 0.00 6.93 7.68 0.10 47.27 06:00:01 6 34.89 1.55 6.44 0.39 0.12 56.61 06:00:01 7 37.23 0.00 6.35 3.52 0.12 52.78 06:01:01 all 7.08 0.00 1.57 2.45 0.05 88.85 06:01:01 0 7.83 0.00 1.41 0.18 0.05 90.52 06:01:01 1 7.28 0.00 1.75 0.71 0.07 90.20 06:01:01 2 7.01 0.00 1.51 3.01 0.05 88.42 06:01:01 3 5.66 0.00 2.07 7.14 0.07 85.06 06:01:01 4 6.20 0.00 1.32 0.77 0.05 91.66 06:01:01 5 14.02 0.00 1.86 1.11 0.07 82.95 06:01:01 6 3.90 0.00 1.22 1.32 0.03 93.53 06:01:01 7 4.74 0.00 1.44 5.40 0.05 88.37 Average: all 24.65 0.23 4.66 2.82 0.09 67.55 Average: 0 23.94 0.00 4.52 0.99 0.09 70.47 Average: 1 24.67 0.08 4.38 2.62 0.09 68.15 Average: 2 25.50 0.91 4.52 2.61 0.09 66.37 Average: 3 25.33 0.00 4.86 4.64 0.09 65.07 Average: 4 24.24 0.00 5.14 4.05 0.09 66.48 Average: 5 27.00 0.00 4.78 2.80 0.10 65.32 Average: 6 22.90 0.82 4.45 1.51 0.09 70.23 Average: 7 23.64 0.00 4.61 3.33 0.09 68.34