---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-993 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/3e64eef23abc69e43e866cbf79219365c71cf9d163d39575b65d578a91b39206/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/d241711d4edc9fec682b3936b0a843bcdc66c07c25886774ca4480f31b611005/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/279fbeff0b9ceabcdcaeea106005d92256ee3f0d596b0c5e3da893620420847d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/16aaf582d99c0814bfae19a766748346fe66e808e02e335a4f4079f07c88bbd9/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/441c8ca9b5bed891aaf763974ca111eeea0f7effa5e2e724e7f782ed3ff4b062/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1649 24086 1 6431 30061 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:43:59:b3 brd ff:ff:ff:ff:ff:ff inet 10.30.107.164/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe43:59b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b7:c6:62:1b 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:b7ff:fec6:621b/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 8a:74:10:c0:f2:58 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::8874:10ff:fec0:f258/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 7a:ee:37:e0:7c:20 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::78ee:37ff:fee0:7c20/64 scope link valid_lft forever preferred_lft forever 6: vethfe8e6f6d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ea:6f:01:7d:d5:bf brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::e86f:1ff:fe7d:d5bf/64 scope link valid_lft forever preferred_lft forever 7: veth061e238e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 0a:11:78:49:6e:b3 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::811:78ff:fe49:6eb3/64 scope link valid_lft forever preferred_lft forever 12: veth7f086b11@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:ef:19:c9:a7:2c brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::44ef:19ff:fec9:a72c/64 scope link valid_lft forever preferred_lft forever 13: veth69948853@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:8a:5b:50:21:52 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::4c8a:5bff:fe50:2152/64 scope link valid_lft forever preferred_lft forever 14: veth1a61e2a3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:aa:5a:5f:8c:e4 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::44aa:5aff:fe5f:8ce4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-993) 10/12/26 _x86_64_ (8 CPU) 17:30:52 LINUX RESTART (8 CPU) 17:31:01 tps rtps wtps bread/s bwrtn/s 17:32:01 461.21 133.06 328.15 7972.14 154352.81 17:33:01 450.54 3.52 447.03 385.40 132484.59 17:34:01 143.41 3.07 140.34 419.40 43798.17 17:35:01 168.29 18.41 149.88 765.34 74640.59 17:36:01 103.60 2.70 100.90 94.78 11667.92 Average: 265.41 32.15 233.26 1927.37 83388.52 17:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:32:01 28753476 31249744 4185744 12.71 61800 2723036 2280576 6.92 1690312 2129376 552404 17:33:01 25620424 31010264 7318796 22.22 137328 5331664 2956416 8.98 2671880 4021924 947748 17:34:01 26943116 31068840 5996104 18.20 138736 4194904 2480660 7.53 2072996 3430848 112 17:35:01 25264480 30901380 7674740 23.30 146200 5645520 3354012 10.18 2503116 4613400 23796 17:36:01 24798872 30856908 8140348 24.71 153348 6016632 3402816 10.33 2580832 4956296 175748 Average: 26276074 31017427 6663146 20.23 127482 4782351 2894896 8.79 2303827 3830369 339962 17:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:32:01 vethfe8e6f6d 0.10 0.30 0.01 0.03 0.00 0.00 0.00 0.00 17:32:01 lo 150.07 150.07 73.45 73.45 0.00 0.00 0.00 0.00 17:32:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:32:01 ens3 668.31 401.67 8588.12 86.07 0.00 0.00 0.00 0.00 17:33:01 vethfe8e6f6d 8.48 10.83 2.67 2.68 0.00 0.00 0.00 0.00 17:33:01 veth69948853 0.15 0.50 0.01 0.04 0.00 0.00 0.00 0.00 17:33:01 lo 75.80 75.80 100.30 100.30 0.00 0.00 0.00 0.00 17:33:01 veth7f086b11 3.02 3.52 0.30 0.70 0.00 0.00 0.00 0.00 17:34:01 vethfe8e6f6d 7.22 8.37 2.14 0.98 0.00 0.00 0.00 0.00 17:34:01 veth69948853 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 17:34:01 lo 12.43 12.43 3.75 3.75 0.00 0.00 0.00 0.00 17:34:01 veth7f086b11 2.92 3.30 0.27 0.28 0.00 0.00 0.00 0.00 17:35:01 vethfe8e6f6d 7.45 8.60 2.15 1.19 0.00 0.00 0.00 0.00 17:35:01 veth69948853 0.02 0.15 0.00 0.01 0.00 0.00 0.00 0.00 17:35:01 lo 44.40 44.40 17.40 17.40 0.00 0.00 0.00 0.00 17:35:01 veth7f086b11 3.17 3.60 0.29 0.41 0.00 0.00 0.00 0.00 17:36:01 vethfe8e6f6d 7.10 8.40 2.13 0.99 0.00 0.00 0.00 0.00 17:36:01 veth69948853 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 lo 19.25 19.25 4.75 4.75 0.00 0.00 0.00 0.00 17:36:01 veth7f086b11 3.07 3.27 0.28 0.28 0.00 0.00 0.00 0.00 Average: vethfe8e6f6d 6.07 7.30 1.82 1.17 0.00 0.00 0.00 0.00 Average: veth69948853 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 60.39 60.39 39.93 39.93 0.00 0.00 0.00 0.00 Average: veth7f086b11 2.43 2.74 0.23 0.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-993) 10/12/26 _x86_64_ (8 CPU) 17:30:52 LINUX RESTART (8 CPU) 17:31:01 CPU %user %nice %system %iowait %steal %idle 17:32:01 all 12.03 0.65 3.69 2.92 0.01 80.70 17:32:01 0 11.54 0.00 3.21 3.80 0.00 81.46 17:32:01 1 13.56 1.46 4.78 2.30 0.00 77.91 17:32:01 2 13.30 0.69 4.71 7.26 0.02 74.03 17:32:01 3 8.96 0.03 3.52 0.44 0.02 87.03 17:32:01 4 13.94 1.56 3.51 1.25 0.02 79.72 17:32:01 5 9.52 0.00 3.60 1.12 0.02 85.74 17:32:01 6 16.04 0.00 3.09 0.60 0.00 80.27 17:32:01 7 9.40 1.43 3.12 6.59 0.00 79.46 17:33:01 all 45.10 0.00 7.81 2.54 0.03 44.52 17:33:01 0 44.50 0.00 7.50 1.51 0.02 46.47 17:33:01 1 43.62 0.00 7.05 3.30 0.02 46.01 17:33:01 2 43.92 0.00 7.68 1.78 0.02 46.61 17:33:01 3 44.55 0.00 8.71 3.64 0.02 43.09 17:33:01 4 46.55 0.00 7.68 3.79 0.02 41.97 17:33:01 5 45.37 0.00 8.18 1.18 0.03 45.23 17:33:01 6 48.74 0.00 7.85 2.41 0.03 40.97 17:33:01 7 43.52 0.00 7.87 2.73 0.03 45.85 17:34:01 all 44.05 0.00 6.55 0.52 0.02 48.87 17:34:01 0 41.27 0.00 6.05 1.65 0.02 51.01 17:34:01 1 41.14 0.00 6.04 0.60 0.02 52.21 17:34:01 2 45.30 0.00 6.25 0.00 0.02 48.43 17:34:01 3 47.47 0.00 6.26 0.15 0.02 46.10 17:34:01 4 47.43 0.00 7.78 0.22 0.03 44.54 17:34:01 5 43.71 0.00 6.45 0.69 0.02 49.13 17:34:01 6 42.00 0.00 6.94 0.00 0.02 51.05 17:34:01 7 44.06 0.00 6.58 0.79 0.03 48.54 17:35:01 all 8.62 0.28 4.18 0.96 0.02 85.94 17:35:01 0 7.21 0.69 4.33 1.40 0.02 86.36 17:35:01 1 8.90 0.00 3.67 1.33 0.00 86.10 17:35:01 2 8.89 0.00 3.34 0.12 0.02 87.64 17:35:01 3 9.06 0.00 5.26 0.81 0.02 84.86 17:35:01 4 7.48 0.00 5.19 1.77 0.02 85.54 17:35:01 5 7.43 0.42 4.10 0.62 0.02 87.41 17:35:01 6 11.48 0.00 3.77 1.57 0.02 83.16 17:35:01 7 8.46 1.11 3.80 0.10 0.02 86.50 17:36:01 all 11.48 0.00 1.25 0.70 0.02 86.55 17:36:01 0 11.54 0.00 0.87 0.27 0.02 87.30 17:36:01 1 5.47 0.00 0.70 0.25 0.02 93.56 17:36:01 2 14.67 0.00 1.49 0.12 0.03 83.70 17:36:01 3 4.45 0.00 1.11 1.18 0.02 93.24 17:36:01 4 7.73 0.00 0.86 0.12 0.03 91.26 17:36:01 5 27.23 0.00 2.48 1.81 0.03 68.45 17:36:01 6 10.90 0.00 1.19 0.85 0.02 87.04 17:36:01 7 9.83 0.00 1.32 1.00 0.02 87.83 Average: all 24.23 0.19 4.69 1.53 0.02 69.34 Average: 0 23.20 0.14 4.39 1.72 0.01 70.54 Average: 1 22.51 0.29 4.44 1.55 0.01 71.19 Average: 2 25.19 0.14 4.69 1.86 0.02 68.11 Average: 3 22.91 0.01 4.97 1.24 0.02 70.85 Average: 4 24.60 0.31 5.00 1.43 0.02 68.64 Average: 5 26.63 0.08 4.95 1.09 0.02 67.22 Average: 6 25.81 0.00 4.56 1.09 0.02 68.53 Average: 7 23.01 0.51 4.53 2.25 0.02 69.68