---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46244 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 1.6M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / 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/bc6ea17f106be1ccaf5cb1ffd985d0bfdf58f3f38e4170080cacdca700e81f2e/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/09034bd7d3932e57f762bde91a9d7136e972795ab381de93aa52591cdb57ac00/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1d2314c882190a6f84cd8bc176b8bfa12192e20c54786858c3edfed8b9dcdd08/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/ff663e652dbc14edd8062b948baf64c04f0e2fb0f78ab9e71a1919e176998f4a/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/990a82b0bce3e12325dca692499ea7e1bb7ee0b9d73f4e7c711e2fdb7e378e2f/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1424 27013 1 3729 30286 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:18:88:c7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.176/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85648sec preferred_lft 85648sec inet6 fe80::f816:3eff:fe18:88c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:80:b5:e3 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::42:5eff:fe80:b5e3/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether f6:c5:5d:64:1a:c1 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::f4c5:5dff:fe64:1ac1/64 scope link valid_lft forever preferred_lft forever 9: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 42:10:e2:43:58:c7 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::4010:e2ff:fe43:58c7/64 scope link valid_lft forever preferred_lft forever 10: veth769e9f91@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 82:8d:47:27:96:e9 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::808d:47ff:fe27:96e9/64 scope link valid_lft forever preferred_lft forever 11: veth6d4e0063@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:8f:53:c9:a6:c9 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::948f:53ff:fec9:a6c9/64 scope link valid_lft forever preferred_lft forever 12: veth76f37e0d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether a2:28:9e:74:97:a4 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::a028:9eff:fe74:97a4/64 scope link valid_lft forever preferred_lft forever 15: vethd0e997e5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 96:a0:c8:da:06:8e brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::94a0:c8ff:feda:68e/64 scope link valid_lft forever preferred_lft forever 16: veth66b7041a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:b8:1d:bc:f7:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::f0b8:1dff:febc:f7c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46244) 09/16/25 _x86_64_ (8 CPU) 13:33:40 LINUX RESTART (8 CPU) 13:34:02 tps rtps wtps bread/s bwrtn/s 13:35:01 88.02 32.40 55.63 2831.04 81524.36 13:36:01 28.31 0.00 28.31 0.00 43282.24 13:37:01 29.71 0.02 29.70 2.67 45971.94 13:38:01 0.88 0.00 0.88 0.00 11.20 13:39:01 1.17 0.00 1.17 0.00 14.26 13:40:01 0.85 0.00 0.85 0.00 10.80 13:41:01 1.00 0.00 1.00 0.00 12.40 13:42:01 1.00 0.02 0.98 0.13 13.33 13:43:01 0.92 0.00 0.92 0.00 12.26 13:44:01 251.19 5.53 245.66 244.76 2556.24 13:45:01 349.49 134.98 214.51 5201.00 54309.48 13:46:01 123.66 1.23 122.43 96.77 19767.81 Average: 73.00 14.49 58.51 695.08 20540.33 13:34:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:35:01 30656468 31896984 2282752 6.93 38572 1530128 1308260 3.85 619344 1412228 168 13:36:01 30654248 31894880 2284972 6.94 38660 1530132 1308260 3.85 621004 1412216 52 13:37:01 30652972 31893836 2286248 6.94 38756 1530212 1308260 3.85 622320 1412300 36 13:38:01 30652260 31893164 2286960 6.94 38788 1530220 1308260 3.85 623428 1412304 152 13:39:01 30651508 31892464 2287712 6.95 38828 1530224 1308260 3.85 623984 1412312 40 13:40:01 30650160 31891156 2289060 6.95 38868 1530228 1308260 3.85 625312 1412312 240 13:41:01 30649252 31890328 2289968 6.95 38908 1530232 1308260 3.85 626532 1412316 24 13:42:01 30647724 31888832 2291496 6.96 38956 1530244 1308260 3.85 627488 1412320 128 13:43:01 30642628 31883832 2296592 6.97 38996 1530248 1308260 3.85 632984 1412324 168 13:44:01 30466220 31751008 2473000 7.51 42004 1568276 1420940 4.31 772420 1438756 19716 13:45:01 28296520 31045460 4642700 14.09 75660 2954396 2530700 7.68 2041308 2208380 6084 13:46:01 27684172 31032468 5255048 15.95 103444 3494704 2541756 7.72 2077588 2734300 132488 Average: 30192011 31737868 2747209 8.34 47537 1815770 1522311 4.62 876143 1591006 13275 13:34:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:35:01 ens3 201.98 145.10 526.63 29.81 0.00 0.00 0.00 0.00 13:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:35:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 13:36:01 ens3 0.57 0.45 0.14 0.38 0.00 0.00 0.00 0.00 13:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:36:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 13:37:01 ens3 0.20 0.18 0.06 0.21 0.00 0.00 0.00 0.00 13:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:38:01 ens3 0.27 0.25 0.06 0.22 0.00 0.00 0.00 0.00 13:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:38:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 13:39:01 ens3 0.32 0.10 0.06 0.14 0.00 0.00 0.00 0.00 13:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 ens3 0.47 0.28 0.19 0.26 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 13:41:01 ens3 0.17 0.13 0.05 0.17 0.00 0.00 0.00 0.00 13:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:42:01 ens3 0.32 0.25 0.06 0.18 0.00 0.00 0.00 0.00 13:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:42:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 13:43:01 ens3 0.70 0.55 0.27 0.83 0.00 0.00 0.00 0.00 13:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:44:01 ens3 126.78 90.80 293.76 41.99 0.00 0.00 0.00 0.00 13:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:44:01 lo 0.93 0.93 0.10 0.10 0.00 0.00 0.00 0.00 13:45:01 cni0 33.31 30.79 33.86 104.66 0.00 0.00 0.67 0.00 13:45:01 veth769e9f91 0.48 1.33 0.09 0.20 0.00 0.00 0.00 0.00 13:45:01 veth6d4e0063 1.22 1.78 0.14 0.49 0.00 0.00 0.00 0.00 13:45:01 vethd0e997e5 0.10 0.23 0.01 0.02 0.00 0.00 0.00 0.00 13:46:01 cni0 15.43 15.59 3.94 4.79 0.00 0.00 0.28 0.00 13:46:01 veth769e9f91 0.15 0.38 0.01 0.03 0.00 0.00 0.00 0.00 13:46:01 veth6d4e0063 2.78 3.17 0.25 0.36 0.00 0.00 0.00 0.00 13:46:01 vethd0e997e5 0.07 0.33 0.00 0.02 0.00 0.00 0.00 0.00 Average: cni0 4.07 3.87 3.15 9.13 0.00 0.00 0.08 0.00 Average: veth769e9f91 0.05 0.14 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth6d4e0063 0.33 0.41 0.03 0.07 0.00 0.00 0.00 0.00 Average: vethd0e997e5 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46244) 09/16/25 _x86_64_ (8 CPU) 13:33:40 LINUX RESTART (8 CPU) 13:34:02 CPU %user %nice %system %iowait %steal %idle 13:35:01 all 2.19 0.00 0.39 1.36 0.01 96.05 13:35:01 0 3.08 0.00 0.39 0.34 0.02 96.17 13:35:01 1 0.97 0.00 0.39 4.18 0.00 94.46 13:35:01 2 1.19 0.00 0.54 3.87 0.02 94.38 13:35:01 3 1.16 0.00 0.41 1.78 0.02 96.64 13:35:01 4 2.05 0.00 0.34 0.15 0.00 97.46 13:35:01 5 3.43 0.00 0.37 0.32 0.02 95.86 13:35:01 6 2.24 0.00 0.42 0.20 0.02 97.12 13:35:01 7 3.41 0.00 0.25 0.00 0.02 96.32 13:36:01 all 0.07 0.00 0.02 1.45 0.01 98.46 13:36:01 0 0.28 0.00 0.02 0.00 0.00 99.70 13:36:01 1 0.07 0.00 0.03 11.50 0.02 88.38 13:36:01 2 0.07 0.00 0.00 0.00 0.02 99.92 13:36:01 3 0.02 0.00 0.00 0.02 0.02 99.95 13:36:01 4 0.03 0.00 0.02 0.00 0.00 99.95 13:36:01 5 0.07 0.00 0.07 0.07 0.02 99.78 13:36:01 6 0.03 0.00 0.00 0.00 0.00 99.97 13:36:01 7 0.02 0.00 0.00 0.00 0.00 99.98 13:37:01 all 0.08 0.00 0.01 0.93 0.00 98.97 13:37:01 0 0.47 0.00 0.02 0.00 0.00 99.52 13:37:01 1 0.02 0.00 0.02 0.30 0.00 99.67 13:37:01 2 0.03 0.00 0.00 0.00 0.00 99.97 13:37:01 3 0.00 0.00 0.02 0.00 0.00 99.98 13:37:01 4 0.00 0.00 0.00 0.00 0.02 99.98 13:37:01 5 0.07 0.00 0.05 7.20 0.00 92.69 13:37:01 6 0.00 0.00 0.00 0.00 0.00 100.00 13:37:01 7 0.00 0.00 0.00 0.00 0.00 100.00 13:38:01 all 0.27 0.00 0.01 0.00 0.00 99.72 13:38:01 0 1.97 0.00 0.00 0.00 0.00 98.03 13:38:01 1 0.00 0.00 0.00 0.02 0.00 99.98 13:38:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:38:01 3 0.00 0.00 0.00 0.00 0.00 100.00 13:38:01 4 0.07 0.00 0.00 0.00 0.00 99.93 13:38:01 5 0.03 0.00 0.05 0.00 0.02 99.90 13:38:01 6 0.03 0.00 0.00 0.00 0.00 99.97 13:38:01 7 0.00 0.00 0.00 0.00 0.00 100.00 13:39:01 all 0.06 0.00 0.00 0.00 0.00 99.92 13:39:01 0 0.03 0.00 0.00 0.00 0.00 99.97 13:39:01 1 0.00 0.00 0.00 0.02 0.00 99.98 13:39:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:39:01 3 0.00 0.00 0.00 0.00 0.00 100.00 13:39:01 4 0.42 0.00 0.00 0.00 0.00 99.58 13:39:01 5 0.02 0.00 0.00 0.00 0.02 99.97 13:39:01 6 0.00 0.00 0.00 0.00 0.00 100.00 13:39:01 7 0.02 0.00 0.00 0.00 0.00 99.98 13:40:01 all 0.02 0.00 0.01 0.00 0.00 99.97 13:40:01 0 0.02 0.00 0.00 0.00 0.02 99.97 13:40:01 1 0.02 0.00 0.00 0.02 0.00 99.97 13:40:01 2 0.05 0.00 0.00 0.00 0.02 99.93 13:40:01 3 0.00 0.00 0.00 0.00 0.00 100.00 13:40:01 4 0.02 0.00 0.02 0.00 0.00 99.97 13:40:01 5 0.03 0.00 0.03 0.02 0.02 99.90 13:40:01 6 0.03 0.00 0.00 0.00 0.00 99.97 13:40:01 7 0.00 0.00 0.00 0.00 0.00 100.00 13:41:01 all 0.01 0.00 0.01 0.00 0.00 99.97 13:41:01 0 0.03 0.00 0.00 0.00 0.00 99.97 13:41:01 1 0.00 0.00 0.00 0.02 0.02 99.97 13:41:01 2 0.00 0.00 0.02 0.00 0.00 99.98 13:41:01 3 0.00 0.00 0.00 0.00 0.00 100.00 13:41:01 4 0.00 0.00 0.00 0.00 0.02 99.98 13:41:01 5 0.02 0.00 0.02 0.00 0.00 99.97 13:41:01 6 0.05 0.00 0.00 0.00 0.00 99.95 13:41:01 7 0.00 0.00 0.00 0.00 0.00 100.00 13:42:01 all 0.02 0.00 0.01 0.00 0.00 99.97 13:42:01 0 0.05 0.00 0.03 0.00 0.02 99.90 13:42:01 1 0.00 0.00 0.02 0.02 0.00 99.97 13:42:01 2 0.02 0.00 0.00 0.00 0.00 99.98 13:42:01 3 0.00 0.00 0.00 0.00 0.00 100.00 13:42:01 4 0.02 0.00 0.02 0.00 0.02 99.95 13:42:01 5 0.02 0.00 0.00 0.00 0.00 99.98 13:42:01 6 0.05 0.00 0.02 0.00 0.00 99.93 13:42:01 7 0.00 0.00 0.00 0.00 0.00 100.00 13:43:01 all 0.06 0.00 0.01 0.00 0.00 99.92 13:43:01 0 0.10 0.00 0.02 0.00 0.00 99.88 13:43:01 1 0.00 0.00 0.00 0.02 0.00 99.98 13:43:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:43:01 3 0.00 0.00 0.02 0.00 0.00 99.98 13:43:01 4 0.27 0.00 0.05 0.00 0.00 99.68 13:43:01 5 0.05 0.00 0.02 0.02 0.00 99.92 13:43:01 6 0.05 0.00 0.00 0.00 0.02 99.93 13:43:01 7 0.00 0.00 0.00 0.00 0.00 100.00 13:44:01 all 1.93 0.00 0.39 0.50 0.01 97.17 13:44:01 0 2.92 0.00 0.17 0.02 0.02 96.88 13:44:01 1 0.90 0.00 0.20 0.08 0.00 98.82 13:44:01 2 1.40 0.00 1.12 3.37 0.02 94.09 13:44:01 3 2.03 0.00 0.32 0.40 0.02 97.23 13:44:01 4 1.47 0.00 0.33 0.07 0.02 98.11 13:44:01 5 2.22 0.00 0.33 0.00 0.02 97.43 13:44:01 6 3.32 0.00 0.43 0.05 0.02 96.18 13:44:01 7 1.15 0.00 0.17 0.00 0.02 98.67 13:45:01 all 12.04 0.65 3.36 1.97 0.08 81.90 13:45:01 0 10.91 0.00 3.64 1.80 0.07 83.59 13:45:01 1 7.68 0.00 3.32 5.70 0.07 83.23 13:45:01 2 12.82 3.44 3.26 0.84 0.08 79.56 13:45:01 3 8.36 0.02 3.10 2.28 0.07 86.18 13:45:01 4 20.29 0.00 3.77 0.99 0.10 74.84 13:45:01 5 13.73 0.00 3.19 1.14 0.07 81.88 13:45:01 6 12.21 0.00 3.13 1.02 0.10 83.53 13:45:01 7 10.35 1.73 3.53 1.93 0.08 82.38 13:45:01 CPU %user %nice %system %iowait %steal %idle 13:46:01 all 11.79 0.00 1.39 0.93 0.07 85.81 13:46:01 0 9.31 0.00 1.34 0.25 0.03 89.07 13:46:01 1 15.53 0.00 1.74 0.75 0.10 81.88 13:46:01 2 10.81 0.00 1.24 1.26 0.07 86.63 13:46:01 3 4.64 0.00 0.79 0.23 0.07 94.27 13:46:01 4 16.28 0.00 1.32 1.81 0.05 80.54 13:46:01 5 13.25 0.00 1.96 2.21 0.10 82.47 13:46:01 6 2.69 0.00 0.82 0.03 0.05 96.41 13:46:01 7 21.82 0.00 1.94 0.89 0.10 75.25 Average: all 2.37 0.05 0.47 0.59 0.02 96.50 Average: 0 2.43 0.00 0.47 0.20 0.01 96.89 Average: 1 2.09 0.00 0.47 1.88 0.02 95.54 Average: 2 2.19 0.29 0.52 0.77 0.02 96.21 Average: 3 1.35 0.00 0.39 0.39 0.02 97.86 Average: 4 3.40 0.00 0.49 0.25 0.02 95.84 Average: 5 2.73 0.00 0.51 0.91 0.02 95.83 Average: 6 1.72 0.00 0.40 0.11 0.02 97.75 Average: 7 3.05 0.14 0.49 0.23 0.02 96.06