---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-46772 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/c1874234a682c5286a902e779699a10034e47d0f7bd71c6ce0870a82fb910560/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/30c82d964fd30e761ff5265ae9f65774c900e4cdb3a06cfa48cd55fa62bb1cb7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/1d5e3c9c94a8b5854b437a3de1f2c13cee85a6090a50a22024a7520d52cb3a8d/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/0cfc93eb0063e09ddcab2dd72d9e18fa46ed0a271dcb8764123170927046c0fe/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5f7b8f5aeb1af47d86f92db01cb0df89968fc73e3e12b8705344bb9776f8f044/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1566 24262 1 6338 30144 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:1c:d1:9f brd ff:ff:ff:ff:ff:ff inet 10.30.107.5/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85986sec preferred_lft 85986sec inet6 fe80::f816:3eff:fe1c:d19f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7f:bf:4c:d3 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::42:7fff:febf:4cd3/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 3a:38:57:c0:75:0f 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::3838:57ff:fec0:750f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether b2:ac:a3:52:b6:36 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::b0ac:a3ff:fe52:b636/64 scope link valid_lft forever preferred_lft forever 8: veth466ec1eb@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether f2:e4:35:20:1c:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f0e4:35ff:fe20:1ce0/64 scope link valid_lft forever preferred_lft forever 9: vethcf44643f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 5a:67:5c:72:98:a9 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5867:5cff:fe72:98a9/64 scope link valid_lft forever preferred_lft forever 10: veth4744cad8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 06:c0:d5:8c:67:1a brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::4c0:d5ff:fe8c:671a/64 scope link valid_lft forever preferred_lft forever 11: vethe90df359@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 86:49:9c:a7:9c:73 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::8449:9cff:fea7:9c73/64 scope link valid_lft forever preferred_lft forever 12: veth7024671b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether ae:23:ef:c3:0b:2b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::ac23:efff:fec3:b2b/64 scope link valid_lft forever preferred_lft forever 19: br-8c90366df8d9: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:a6:e5:f3:a0 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-8c90366df8d9 valid_lft forever preferred_lft forever inet6 fe80::42:a6ff:fee5:f3a0/64 scope link valid_lft forever preferred_lft forever 23: vethe407bfc@if22: mtu 1500 qdisc noqueue master br-8c90366df8d9 state UP group default link/ether b6:3e:c3:61:37:7c brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::b43e:c3ff:fe61:377c/64 scope link valid_lft forever preferred_lft forever 25: vetheba624e@if24: mtu 1500 qdisc noqueue master br-8c90366df8d9 state UP group default link/ether da:9e:8a:bc:50:5f brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::d89e:8aff:febc:505f/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-46772) 09/18/25 _x86_64_ (8 CPU) 07:59:59 LINUX RESTART (8 CPU) 08:00:01 tps rtps wtps bread/s bwrtn/s 08:01:02 364.01 89.04 274.97 5480.55 64235.03 08:02:01 394.75 48.20 346.55 2992.44 115749.47 08:03:01 200.40 1.82 198.58 14.53 65613.20 08:04:01 123.66 3.45 120.21 465.39 89808.90 08:05:01 79.45 0.52 78.94 87.19 53469.76 08:06:01 101.08 20.56 80.52 789.07 31408.10 Average: 210.05 27.20 182.84 1634.38 69920.00 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:01:02 30094180 31674380 2845040 8.64 44728 1854032 1666076 5.06 1088252 1479024 360516 08:02:01 27223204 31021424 5716016 17.35 93004 3927640 2912396 8.84 1997656 3246240 11884 08:03:01 25739392 30763844 7199828 21.86 129756 4975144 3707560 11.26 2753608 3830712 347892 08:04:01 26257124 31018752 6682096 20.29 132812 4824832 2976748 9.04 2307768 3867260 161456 08:05:01 25321564 30946864 7617656 23.13 135036 5648432 3957188 12.01 2510464 4554748 52 08:06:01 25016848 30906592 7922372 24.05 143720 5874336 3982308 12.09 2687564 4649072 126040 Average: 26608719 31055309 6330501 19.22 113176 4517403 3200379 9.72 2224219 3604509 167973 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:01:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:02 lo 1.90 1.90 0.19 0.19 0.00 0.00 0.00 0.00 08:01:02 ens3 426.43 293.02 1365.30 75.92 0.00 0.00 0.00 0.00 08:02:01 veth466ec1eb 0.51 1.41 0.09 0.20 0.00 0.00 0.00 0.00 08:02:01 vethcf44643f 2.19 2.95 0.23 0.66 0.00 0.00 0.00 0.00 08:02:01 docker0 46.14 55.70 4.17 107.63 0.00 0.00 0.00 0.00 08:02:01 lo 249.69 249.69 279.21 279.21 0.00 0.00 0.00 0.00 08:03:01 veth466ec1eb 0.13 0.22 0.01 0.02 0.00 0.00 0.00 0.00 08:03:01 vethcf44643f 2.83 3.17 0.26 0.27 0.00 0.00 0.00 0.00 08:03:01 docker0 78.22 117.04 5.85 1149.47 0.00 0.00 0.00 0.00 08:03:01 lo 13.06 13.06 4.04 4.04 0.00 0.00 0.00 0.00 08:04:01 veth466ec1eb 0.15 0.17 0.01 0.02 0.00 0.00 0.00 0.00 08:04:01 vethcf44643f 3.10 3.28 0.29 0.28 0.00 0.00 0.00 0.00 08:04:01 docker0 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:04:01 lo 14.95 14.95 4.29 4.29 0.00 0.00 0.00 0.00 08:05:01 veth466ec1eb 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 08:05:01 vethcf44643f 3.12 3.30 0.29 0.29 0.00 0.00 0.00 0.00 08:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 vethe407bfc 0.80 0.95 0.04 0.07 0.00 0.00 0.00 0.00 08:06:01 veth466ec1eb 0.15 0.17 0.01 0.02 0.00 0.00 0.00 0.00 08:06:01 vethcf44643f 3.07 3.23 0.28 0.28 0.00 0.00 0.00 0.00 08:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 vethe407bfc 3.92 3.93 0.21 0.28 0.00 0.00 0.00 0.00 Average: veth466ec1eb 0.18 0.34 0.02 0.04 0.00 0.00 0.00 0.00 Average: vethcf44643f 2.38 2.65 0.22 0.30 0.00 0.00 0.00 0.00 Average: docker0 20.66 28.73 1.66 209.83 0.00 0.00 0.00 0.00 Average: vethe407bfc 0.79 0.82 0.04 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-46772) 09/18/25 _x86_64_ (8 CPU) 07:59:59 LINUX RESTART (8 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:01:02 all 5.61 0.54 1.27 5.46 0.03 87.08 08:01:02 0 4.43 0.00 1.90 4.78 0.03 88.86 08:01:02 1 4.71 0.00 0.85 1.09 0.02 93.34 08:01:02 2 3.02 0.00 2.05 9.71 0.02 85.20 08:01:02 3 4.11 0.00 1.09 0.37 0.03 94.40 08:01:02 4 7.17 0.00 0.77 0.63 0.03 91.39 08:01:02 5 5.08 2.70 1.46 25.04 0.05 65.67 08:01:02 6 12.22 1.62 1.42 0.37 0.03 84.34 08:01:02 7 4.18 0.00 0.63 1.80 0.03 93.35 08:02:01 all 11.32 0.07 4.41 10.48 0.14 73.58 08:02:01 0 10.45 0.00 5.19 3.53 0.14 80.69 08:02:01 1 9.47 0.00 3.93 14.51 0.12 71.98 08:02:01 2 13.19 0.00 4.36 8.85 0.15 73.44 08:02:01 3 12.89 0.00 4.64 1.61 0.14 80.72 08:02:01 4 10.28 0.00 3.90 7.38 0.12 78.32 08:02:01 5 11.94 0.57 4.93 28.33 0.14 54.09 08:02:01 6 11.53 0.00 4.09 5.17 0.14 79.07 08:02:01 7 10.80 0.00 4.27 14.55 0.14 70.24 08:03:01 all 37.72 0.00 5.19 4.07 0.13 52.89 08:03:01 0 36.03 0.00 5.59 3.33 0.13 54.92 08:03:01 1 38.97 0.00 5.95 7.31 0.13 47.63 08:03:01 2 37.06 0.00 5.07 2.02 0.12 55.72 08:03:01 3 35.35 0.00 5.03 0.68 0.12 58.82 08:03:01 4 36.57 0.00 5.05 11.18 0.12 47.08 08:03:01 5 39.98 0.00 5.15 0.84 0.13 53.90 08:03:01 6 39.35 0.00 5.02 2.62 0.13 52.88 08:03:01 7 38.41 0.00 4.62 4.62 0.13 52.21 08:04:01 all 25.58 0.22 4.55 6.36 0.10 63.20 08:04:01 0 26.58 0.00 4.57 9.69 0.10 59.06 08:04:01 1 26.49 0.07 4.37 6.54 0.10 62.43 08:04:01 2 24.39 0.00 5.56 0.98 0.10 68.97 08:04:01 3 23.56 0.00 3.77 0.05 0.08 72.53 08:04:01 4 22.99 1.65 4.00 19.76 0.12 51.48 08:04:01 5 26.23 0.00 4.46 0.86 0.12 68.32 08:04:01 6 30.67 0.00 5.02 11.68 0.08 52.54 08:04:01 7 23.76 0.00 4.60 1.27 0.08 70.29 08:05:01 all 3.88 0.00 1.63 2.87 0.07 91.56 08:05:01 0 3.51 0.00 2.12 6.55 0.07 87.76 08:05:01 1 2.92 0.00 2.43 0.30 0.08 94.26 08:05:01 2 3.53 0.00 1.48 0.03 0.05 94.91 08:05:01 3 3.54 0.00 1.39 0.05 0.07 94.95 08:05:01 4 4.54 0.00 1.87 3.67 0.07 89.86 08:05:01 5 3.14 0.00 1.26 9.48 0.07 86.05 08:05:01 6 4.84 0.00 1.10 2.87 0.07 91.12 08:05:01 7 5.01 0.00 1.34 0.07 0.07 93.52 08:06:01 all 6.76 0.00 0.93 3.37 0.06 88.87 08:06:01 0 5.81 0.00 1.00 0.10 0.07 93.02 08:06:01 1 7.27 0.00 1.04 3.16 0.07 88.47 08:06:01 2 13.82 0.00 1.04 1.33 0.08 83.73 08:06:01 3 9.90 0.00 1.10 0.93 0.03 88.03 08:06:01 4 3.70 0.00 0.94 4.60 0.05 90.71 08:06:01 5 3.92 0.00 0.79 8.27 0.05 86.98 08:06:01 6 5.33 0.00 0.79 8.40 0.07 85.41 08:06:01 7 4.35 0.00 0.79 0.18 0.05 94.63 Average: all 15.13 0.14 2.99 5.42 0.09 76.25 Average: 0 14.46 0.00 3.39 4.66 0.09 77.41 Average: 1 14.95 0.01 3.09 5.45 0.09 76.41 Average: 2 15.82 0.00 3.25 3.81 0.09 77.03 Average: 3 14.85 0.00 2.83 0.61 0.08 81.63 Average: 4 14.19 0.28 2.75 7.85 0.08 74.85 Average: 5 15.03 0.55 3.00 12.09 0.09 69.24 Average: 6 17.32 0.27 2.90 5.17 0.09 74.25 Average: 7 14.39 0.00 2.70 3.70 0.08 79.13