---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-7098 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/8de664d4b411b00ff08c0c3a92098f630242d93c11af0995f40f09a8de6c2479/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/764b20a92814a6684a98fbcb7a69008e0582d477c823db0e4c9993c8b08b520c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0434450af93c864586f62c4034a22f6c3e8da7a9aacd53f6cf9abb5c48d6b9a5/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/9a585d3bcfe37ad1e842f686be3e441ed2a545523a058fc3d6c252059b47ff1a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/13758b8c3e9b7b42fc179c83476dc06733fb49e688aa0eac5296ab704cb7b203/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1544 24178 1 6443 30165 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:e3:e1:6a brd ff:ff:ff:ff:ff:ff inet 10.30.107.239/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fee3:e16a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0b:46:1e:b3 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:bff:fe46:1eb3/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 36:82:39:3d:44:41 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::3482:39ff:fe3d:4441/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 62:25:d9:ac:38:ce 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::6025:d9ff:feac:38ce/64 scope link valid_lft forever preferred_lft forever 7: veth886d7e92@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether be:be:ab:bc:89:40 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::bcbe:abff:febc:8940/64 scope link valid_lft forever preferred_lft forever 11: vethf7ec1aa8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:59:07:74:fc:6f brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4459:7ff:fe74:fc6f/64 scope link valid_lft forever preferred_lft forever 12: veth055112b5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4e:1e:95:76:9b:4a brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::4c1e:95ff:fe76:9b4a/64 scope link valid_lft forever preferred_lft forever 13: veth23d59a73@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:cb:cc:8a:28:d2 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::d8cb:ccff:fe8a:28d2/64 scope link valid_lft forever preferred_lft forever 14: vetha44cdaa0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:5e:ec:88:9a:19 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::f05e:ecff:fe88:9a19/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-7098) 07/08/26 _x86_64_ (8 CPU) 14:45:13 LINUX RESTART (8 CPU) 14:46:02 tps rtps wtps bread/s bwrtn/s 14:47:01 528.64 49.09 479.55 3036.91 159967.19 14:48:01 146.61 0.00 146.61 0.00 68477.39 14:49:01 194.90 4.03 190.87 481.79 92919.98 14:50:01 100.95 20.75 80.20 810.53 11709.52 Average: 241.58 18.34 223.24 1074.13 82947.66 14:46:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:47:01 26646168 31055340 6293052 19.11 129604 4403772 2974504 9.03 2132908 3584776 234852 14:48:01 25177356 30892560 7761864 23.56 135872 5647256 3638904 11.05 2973612 4148944 782772 14:49:01 25559172 30968904 7380048 22.41 140752 5428364 3213620 9.76 2342196 4493160 788 14:50:01 25068476 30927440 7870744 23.89 150232 5836528 3265584 9.91 2498424 4790772 147860 Average: 25612793 30961061 7326427 22.24 139115 5328980 3273153 9.94 2486785 4254413 291568 14:46:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:47:01 cni0 34.13 33.16 20.60 92.89 0.00 0.00 0.81 0.00 14:47:01 vethf7ec1aa8 1.81 2.30 0.19 0.60 0.00 0.00 0.00 0.00 14:47:01 ens3 661.43 431.32 11481.56 42.09 0.00 0.00 0.00 0.00 14:47:01 veth055112b5 4.39 5.29 1.41 1.66 0.00 0.00 0.00 0.00 14:48:01 cni0 10.76 12.10 2.15 1.43 0.00 0.00 0.17 0.00 14:48:01 vethf7ec1aa8 2.72 3.13 0.25 0.27 0.00 0.00 0.00 0.00 14:48:01 ens3 9.42 8.17 19.25 0.94 0.00 0.00 0.00 0.00 14:48:01 veth055112b5 6.40 7.67 1.91 0.97 0.00 0.00 0.00 0.00 14:49:01 cni0 12.06 13.18 2.40 1.47 0.00 0.00 0.08 0.00 14:49:01 vethf7ec1aa8 3.07 3.37 0.28 0.29 0.00 0.00 0.00 0.00 14:49:01 ens3 205.45 120.26 5380.07 17.13 0.00 0.00 0.00 0.00 14:49:01 veth055112b5 7.40 8.35 2.15 0.98 0.00 0.00 0.00 0.00 14:50:01 cni0 12.35 13.66 2.43 1.99 0.00 0.00 0.10 0.00 14:50:01 vethf7ec1aa8 3.22 3.43 0.29 0.40 0.00 0.00 0.00 0.00 14:50:01 ens3 164.76 110.00 1626.78 14.90 0.00 0.00 0.00 0.00 14:50:01 veth055112b5 7.23 8.60 2.15 1.19 0.00 0.00 0.00 0.00 Average: cni0 17.26 17.96 6.84 24.16 0.00 0.00 0.29 0.00 Average: vethf7ec1aa8 2.71 3.06 0.26 0.39 0.00 0.00 0.00 0.00 Average: ens3 258.58 166.33 4598.24 18.67 0.00 0.00 0.00 0.00 Average: veth055112b5 6.36 7.48 1.91 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-7098) 07/08/26 _x86_64_ (8 CPU) 14:45:13 LINUX RESTART (8 CPU) 14:46:02 CPU %user %nice %system %iowait %steal %idle 14:47:01 all 15.31 0.41 5.88 9.30 0.10 69.00 14:47:01 0 14.00 1.11 5.88 15.24 0.12 63.65 14:47:01 1 16.23 0.00 5.43 10.63 0.10 67.61 14:47:01 2 15.18 0.26 5.48 5.17 0.10 73.80 14:47:01 3 17.07 0.00 5.94 12.03 0.10 64.87 14:47:01 4 14.56 0.00 5.69 7.37 0.10 72.27 14:47:01 5 12.50 0.00 6.65 11.27 0.12 69.46 14:47:01 6 16.49 1.87 5.91 3.97 0.09 71.66 14:47:01 7 16.46 0.02 5.95 8.72 0.10 68.75 14:48:01 all 55.88 0.00 6.77 1.40 0.13 35.82 14:48:01 0 57.38 0.00 6.46 0.03 0.15 35.97 14:48:01 1 57.69 0.00 7.24 0.03 0.12 34.92 14:48:01 2 53.61 0.00 6.87 3.71 0.15 35.66 14:48:01 3 55.19 0.00 6.35 0.15 0.12 38.19 14:48:01 4 53.49 0.00 6.62 0.83 0.15 38.91 14:48:01 5 54.46 0.00 6.53 3.31 0.12 35.58 14:48:01 6 53.92 0.00 6.82 0.02 0.12 39.13 14:48:01 7 61.27 0.00 7.31 3.10 0.13 28.19 14:49:01 all 15.96 0.21 4.17 2.75 0.09 76.82 14:49:01 0 15.62 0.00 3.78 1.34 0.07 79.19 14:49:01 1 18.16 0.00 3.11 0.37 0.08 78.28 14:49:01 2 16.53 0.00 4.74 0.74 0.08 77.90 14:49:01 3 14.92 0.00 5.15 6.62 0.10 73.22 14:49:01 4 13.95 1.72 3.99 1.43 0.08 78.83 14:49:01 5 18.11 0.00 4.28 7.74 0.08 69.79 14:49:01 6 15.59 0.00 3.89 3.00 0.10 77.41 14:49:01 7 14.83 0.00 4.45 0.79 0.08 79.85 14:50:01 all 9.19 0.00 1.52 0.57 0.07 88.65 14:50:01 0 7.37 0.00 1.74 1.30 0.08 89.50 14:50:01 1 6.68 0.00 1.31 0.08 0.07 91.86 14:50:01 2 13.46 0.00 1.72 0.27 0.07 84.48 14:50:01 3 9.24 0.00 1.64 1.42 0.07 87.63 14:50:01 4 3.66 0.00 1.41 0.84 0.07 94.03 14:50:01 5 12.03 0.00 1.37 0.23 0.07 86.30 14:50:01 6 17.92 0.00 2.02 0.32 0.08 79.66 14:50:01 7 3.14 0.00 0.95 0.08 0.05 95.77 Average: all 24.09 0.15 4.57 3.47 0.10 67.61 Average: 0 23.59 0.27 4.45 4.43 0.11 67.15 Average: 1 24.69 0.00 4.26 2.74 0.09 68.21 Average: 2 24.71 0.06 4.69 2.45 0.10 67.98 Average: 3 24.13 0.00 4.76 5.01 0.10 66.01 Average: 4 21.39 0.43 4.41 2.58 0.10 71.08 Average: 5 24.29 0.00 4.69 5.60 0.10 65.33 Average: 6 26.01 0.46 4.65 1.81 0.10 66.97 Average: 7 23.93 0.00 4.65 3.14 0.09 68.19