---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-13087 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/918a86e8208a79b22ef165289f0fa1d8d7004aa9a166fde79a88d71b78a96115/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/f4b682500b60a90e8367f8558a15ae7ea2b16f0dd7309e0cc7299cac0aae241d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/783086e8a95a973959c7885b1ff2b5a2e7e07abf0436447124e54b1a83321bca/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/2e4e3d856146e7de05a44b64b6f28f53a7106108d0427734095c08cc13f37483/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/6e081f47c40f5fcdb047b9f02702f3451943e539955243feee4b0cf17661d6c2/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1569 24159 1 6438 30141 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:a8:d2:84 brd ff:ff:ff:ff:ff:ff inet 10.30.107.188/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85755sec preferred_lft 85755sec inet6 fe80::f816:3eff:fea8:d284/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f6:9c:81:a7 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:f6ff:fe9c:81a7/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 3a:5e:35:2b:e6:5d 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::385e:35ff:fe2b:e65d/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether b2:e0:db:2f:33:62 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::b0e0:dbff:fe2f:3362/64 scope link valid_lft forever preferred_lft forever 8: veth06eb4223@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether b2:fb:7f:c3:ee:d0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::b0fb:7fff:fec3:eed0/64 scope link valid_lft forever preferred_lft forever 9: veth9ea3fbf3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 46:40:8b:31:b7:cf brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::4440:8bff:fe31:b7cf/64 scope link valid_lft forever preferred_lft forever 10: veth61869864@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:de:37:e6:14:aa brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::50de:37ff:fee6:14aa/64 scope link valid_lft forever preferred_lft forever 13: vethf66c1c37@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 8a:5f:45:ac:12:82 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::885f:45ff:feac:1282/64 scope link valid_lft forever preferred_lft forever 14: vethfc95eccd@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 4a:5b:38:80:da:bc brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::485b:38ff:fe80:dabc/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-13087) 08/17/26 _x86_64_ (8 CPU) 05:49:23 LINUX RESTART (8 CPU) 05:50:01 tps rtps wtps bread/s bwrtn/s 05:51:01 57.55 0.00 57.55 0.00 80767.08 05:52:01 17.41 0.00 17.41 0.00 25151.67 05:53:01 1.27 0.00 1.27 0.00 14.26 05:54:01 1.68 0.00 1.68 0.00 21.20 05:55:02 1.42 0.00 1.42 0.00 16.53 05:56:01 341.52 41.32 300.20 1015.15 7367.43 05:57:01 462.99 48.06 414.93 2952.97 96471.65 05:58:01 231.49 3.18 228.31 436.46 58555.04 05:59:01 172.82 20.58 152.24 792.93 72780.40 06:00:01 97.48 1.12 96.37 71.99 11322.25 Average: 138.22 11.38 126.85 526.12 35293.46 05:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:51:01 30679072 31918020 2260148 6.86 38624 1528752 1302304 3.83 600912 1411400 48 05:52:01 30676316 31915340 2262904 6.87 38712 1528724 1302304 3.83 603296 1411388 16 05:53:01 30674972 31914128 2264248 6.87 38808 1528740 1302304 3.83 605244 1411388 12 05:54:01 30672744 31911968 2266476 6.88 38896 1528712 1302304 3.83 607356 1411392 228 05:55:02 30671280 31910632 2267940 6.89 39000 1528732 1302304 3.83 608480 1411396 12 05:56:01 30204132 31734756 2735088 8.30 45152 1804708 1402436 4.26 1078548 1382828 308000 05:57:01 25698396 30908124 7240824 21.98 138336 5160424 3609176 10.96 2685560 3936992 1213892 05:58:01 26801292 31037020 6137928 18.63 140548 4306312 2649752 8.04 2177168 3477668 151876 05:59:01 25201268 30867956 7737952 23.49 149420 5668496 3351760 10.18 2553608 4627052 39372 06:00:01 24730768 30855240 8208452 24.92 155504 6077128 3354080 10.18 2581420 5024860 230052 Average: 28601024 31497318 4338196 13.17 82300 3066073 2087872 6.34 1410159 2550636 194351 05:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 ens3 3.92 1.18 3.04 0.88 0.00 0.00 0.00 0.00 05:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 ens3 1.68 0.77 0.55 1.04 0.00 0.00 0.00 0.00 05:52:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 05:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 ens3 0.87 0.12 0.13 0.20 0.00 0.00 0.00 0.00 05:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 ens3 0.95 0.53 0.39 0.35 0.00 0.00 0.00 0.00 05:54:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 05:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:02 ens3 0.47 0.23 0.15 0.25 0.00 0.00 0.00 0.00 05:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 ens3 245.50 158.65 784.52 47.75 0.00 0.00 0.00 0.00 05:56:01 lo 1.66 1.66 0.19 0.19 0.00 0.00 0.00 0.00 05:57:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 cni0 37.98 36.98 20.92 92.32 0.00 0.00 0.87 0.00 05:57:01 docker0 181.89 272.54 13.72 1610.40 0.00 0.00 0.00 0.00 05:57:01 ens3 649.74 402.42 11276.27 37.57 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 cni0 11.28 12.68 2.27 1.42 0.00 0.00 0.08 0.00 05:58:01 docker0 6.27 7.10 0.42 18.99 0.00 0.00 0.00 0.00 05:58:01 ens3 23.90 14.16 201.71 1.73 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 cni0 12.51 13.80 2.44 2.00 0.00 0.00 0.18 0.00 05:59:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 05:59:01 ens3 259.01 154.96 6096.64 21.00 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 cni0 11.90 13.26 2.40 1.48 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 ens3 86.00 57.57 1487.24 10.08 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: cni0 7.38 7.68 2.81 9.74 0.00 0.00 0.11 0.00 Average: docker0 18.85 28.02 1.42 163.21 0.00 0.00 0.00 0.00 Average: ens3 127.00 78.92 1987.00 12.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-13087) 08/17/26 _x86_64_ (8 CPU) 05:49:23 LINUX RESTART (8 CPU) 05:50:01 CPU %user %nice %system %iowait %steal %idle 05:51:01 all 0.05 0.00 0.01 0.85 0.01 99.07 05:51:01 0 0.00 0.00 0.00 0.00 0.02 99.98 05:51:01 1 0.07 0.00 0.02 6.84 0.02 93.06 05:51:01 2 0.07 0.00 0.00 0.00 0.00 99.93 05:51:01 3 0.08 0.00 0.02 0.00 0.02 99.88 05:51:01 4 0.15 0.00 0.02 0.00 0.00 99.83 05:51:01 5 0.00 0.00 0.00 0.00 0.00 100.00 05:51:01 6 0.00 0.00 0.00 0.00 0.02 99.98 05:51:01 7 0.03 0.00 0.05 0.02 0.00 99.90 05:52:01 all 0.03 0.00 0.01 0.27 0.01 99.68 05:52:01 0 0.00 0.00 0.00 0.00 0.00 100.00 05:52:01 1 0.02 0.00 0.02 2.17 0.02 97.78 05:52:01 2 0.00 0.00 0.00 0.00 0.02 99.98 05:52:01 3 0.02 0.00 0.00 0.00 0.02 99.97 05:52:01 4 0.08 0.00 0.02 0.00 0.00 99.90 05:52:01 5 0.02 0.00 0.02 0.00 0.00 99.97 05:52:01 6 0.05 0.00 0.02 0.00 0.02 99.92 05:52:01 7 0.03 0.00 0.00 0.00 0.02 99.95 05:53:01 all 0.01 0.00 0.01 0.01 0.01 99.97 05:53:01 0 0.00 0.00 0.00 0.00 0.00 100.00 05:53:01 1 0.03 0.00 0.03 0.02 0.02 99.90 05:53:01 2 0.02 0.00 0.02 0.00 0.00 99.97 05:53:01 3 0.00 0.00 0.00 0.00 0.00 100.00 05:53:01 4 0.02 0.00 0.02 0.03 0.02 99.92 05:53:01 5 0.02 0.00 0.00 0.00 0.00 99.98 05:53:01 6 0.02 0.00 0.02 0.00 0.00 99.97 05:53:01 7 0.03 0.00 0.00 0.00 0.00 99.97 05:54:01 all 0.03 0.00 0.01 0.01 0.00 99.95 05:54:01 0 0.00 0.00 0.00 0.00 0.00 100.00 05:54:01 1 0.05 0.00 0.03 0.05 0.03 99.83 05:54:01 2 0.03 0.00 0.00 0.00 0.00 99.97 05:54:01 3 0.03 0.00 0.02 0.00 0.00 99.95 05:54:01 4 0.05 0.00 0.00 0.02 0.00 99.93 05:54:01 5 0.00 0.00 0.00 0.00 0.00 100.00 05:54:01 6 0.00 0.00 0.00 0.00 0.00 100.00 05:54:01 7 0.03 0.00 0.00 0.00 0.00 99.97 05:55:02 all 0.01 0.00 0.02 0.01 0.01 99.96 05:55:02 0 0.00 0.00 0.02 0.00 0.00 99.98 05:55:02 1 0.03 0.00 0.05 0.03 0.00 99.88 05:55:02 2 0.00 0.00 0.00 0.00 0.00 100.00 05:55:02 3 0.00 0.00 0.00 0.00 0.00 100.00 05:55:02 4 0.00 0.00 0.02 0.05 0.00 99.93 05:55:02 5 0.02 0.00 0.02 0.00 0.00 99.97 05:55:02 6 0.00 0.00 0.02 0.00 0.02 99.97 05:55:02 7 0.00 0.00 0.02 0.00 0.02 99.97 05:56:01 all 3.60 0.61 0.82 0.60 0.02 94.35 05:56:01 0 2.29 0.00 0.63 0.02 0.03 97.03 05:56:01 1 3.31 0.00 0.73 0.29 0.03 95.64 05:56:01 2 2.55 0.00 0.65 0.63 0.02 96.16 05:56:01 3 2.59 1.53 0.66 0.03 0.00 95.18 05:56:01 4 11.02 0.00 0.65 0.02 0.03 88.28 05:56:01 5 3.56 3.29 1.44 1.29 0.03 90.38 05:56:01 6 2.04 0.00 0.54 0.05 0.02 97.35 05:56:01 7 1.44 0.00 1.26 2.46 0.00 94.83 05:57:01 all 37.73 0.00 7.49 2.15 0.11 52.52 05:57:01 0 37.96 0.00 6.80 1.41 0.10 53.73 05:57:01 1 37.78 0.00 8.53 6.09 0.10 47.50 05:57:01 2 38.43 0.00 7.14 0.84 0.12 53.48 05:57:01 3 37.36 0.00 7.80 1.66 0.12 53.06 05:57:01 4 37.44 0.00 6.82 1.73 0.08 53.93 05:57:01 5 37.14 0.00 8.25 1.32 0.10 53.19 05:57:01 6 38.19 0.00 7.35 2.78 0.10 51.58 05:57:01 7 37.54 0.00 7.25 1.39 0.10 53.73 05:58:01 all 41.04 0.10 5.95 0.58 0.09 52.23 05:58:01 0 39.13 0.00 4.86 0.00 0.08 55.93 05:58:01 1 38.59 0.00 5.87 0.79 0.08 54.67 05:58:01 2 43.37 0.00 6.01 0.27 0.12 50.24 05:58:01 3 43.02 0.00 6.10 0.35 0.10 50.43 05:58:01 4 42.37 0.00 6.73 0.29 0.10 50.50 05:58:01 5 40.79 0.00 6.36 0.07 0.08 52.70 05:58:01 6 40.00 0.00 6.13 2.15 0.08 51.64 05:58:01 7 41.03 0.82 5.56 0.77 0.10 51.71 05:59:01 all 8.40 0.10 3.08 1.07 0.07 87.28 05:59:01 0 5.98 0.00 2.79 1.79 0.07 89.37 05:59:01 1 8.47 0.00 2.88 0.20 0.07 88.38 05:59:01 2 7.19 0.00 3.25 2.37 0.07 87.12 05:59:01 3 9.81 0.00 2.44 1.16 0.07 86.53 05:59:01 4 13.09 0.00 3.51 2.00 0.05 81.35 05:59:01 5 5.15 0.03 3.67 0.50 0.08 90.56 05:59:01 6 6.45 0.00 2.76 0.08 0.07 90.64 05:59:01 7 11.10 0.77 3.34 0.49 0.07 84.23 06:00:01 all 11.88 0.00 1.22 0.43 0.08 86.39 06:00:01 0 15.44 0.00 1.29 0.18 0.08 83.01 06:00:01 1 30.56 0.00 2.16 0.28 0.08 66.92 06:00:01 2 10.00 0.00 1.25 0.18 0.10 88.46 06:00:01 3 16.80 0.00 1.25 0.45 0.07 81.43 06:00:01 4 4.01 0.00 0.99 0.29 0.07 94.64 06:00:01 5 4.54 0.00 0.86 1.92 0.10 92.59 06:00:01 6 6.73 0.00 0.87 0.10 0.05 92.25 06:00:01 7 6.88 0.00 1.07 0.05 0.07 91.94 Average: all 10.24 0.08 1.85 0.60 0.04 87.19 Average: 0 10.08 0.00 1.64 0.34 0.04 87.90 Average: 1 11.85 0.00 2.02 1.67 0.05 84.41 Average: 2 10.14 0.00 1.83 0.43 0.04 87.57 Average: 3 10.92 0.15 1.82 0.36 0.04 86.71 Average: 4 10.76 0.00 1.87 0.44 0.04 86.90 Average: 5 9.08 0.33 2.05 0.51 0.04 88.00 Average: 6 9.30 0.00 1.76 0.51 0.04 88.40 Average: 7 9.76 0.16 1.84 0.51 0.04 87.69