---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-4542 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 1.8M 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/4d6a0a61fa7c848aa1390f0b79de9009c7605aed674d81e6c8862e4e5e1cab82/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/920e3c5712472332502b605db629976aef6c96dfc163d415ad4025ad348c3af7/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/04b37d5267ada4d701d0f4824a46ba9bf56d56a5c0192249ecfe733da5f2557c/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/e8e913f6db41900ad9110baa66841a20e5ca5162ad6fe092bb2d27e2b6b81759/shm shm 64M 0 64M 0% /run/k3s/containerd/io.containerd.grpc.v1.cri/sandboxes/5309fec446897b454939d01745a21617e42ebe328fcbf59a9864a9c4b9d8b8f0/shm ---> free -m: total used free shared buff/cache available Mem: 32167 1542 24250 1 6373 30167 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:e7:e8:ad brd ff:ff:ff:ff:ff:ff inet 10.30.106.106/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85985sec preferred_lft 85985sec inet6 fe80::f816:3eff:fee7:e8ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:6a:52:dd 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:dff:fe6a:52dd/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 4e:bd:5c:7a:08:fc 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::4cbd:5cff:fe7a:8fc/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 8e:19:f1:66:ec:83 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::ef:44ff:fe6e:130b/64 scope link valid_lft forever preferred_lft forever 8: vethb649ed18@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 9e:77:18:bb:14:ca brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9c77:18ff:febb:14ca/64 scope link valid_lft forever preferred_lft forever 9: veth078470b1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether da:36:b2:1a:01:40 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::d836:b2ff:fe1a:140/64 scope link valid_lft forever preferred_lft forever 10: veth5ab81523@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 7e:eb:38:ad:73:c2 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::7ceb:38ff:fead:73c2/64 scope link valid_lft forever preferred_lft forever 13: veth1ca023ed@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether aa:0f:03:62:cd:48 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::a80f:3ff:fe62:cd48/64 scope link valid_lft forever preferred_lft forever 14: vethb918add7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default qlen 1000 link/ether 52:5e:60:d1:97:b7 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::505e:60ff:fed1:97b7/64 scope link valid_lft forever preferred_lft forever 19: br-87091f63568e: mtu 1500 qdisc noqueue state UP group default link/ether 02:42:de:2d:c6:d4 brd ff:ff:ff:ff:ff:ff inet 172.17.0.1/16 brd 172.17.255.255 scope global br-87091f63568e valid_lft forever preferred_lft forever inet6 fe80::42:deff:fe2d:c6d4/64 scope link valid_lft forever preferred_lft forever 23: veth29f7db9@if22: mtu 1500 qdisc noqueue master br-87091f63568e state UP group default link/ether 52:75:e4:99:0b:23 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::5075:e4ff:fe99:b23/64 scope link valid_lft forever preferred_lft forever 25: vethc3152fb@if24: mtu 1500 qdisc noqueue master br-87091f63568e state UP group default link/ether 52:fb:41:4b:d3:5c brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::50fb:41ff:fe4b:d35c/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-4542) 10/22/25 _x86_64_ (8 CPU) 19:21:23 LINUX RESTART (8 CPU) 19:22:02 tps rtps wtps bread/s bwrtn/s 19:23:01 424.98 82.62 342.36 3497.29 112050.41 19:24:01 386.17 3.25 382.92 352.87 108824.93 19:25:01 108.87 3.13 105.73 431.53 64043.73 19:26:01 139.06 0.67 138.39 102.78 72137.71 19:27:01 35.89 17.88 18.01 667.11 1240.12 19:28:01 166.16 2.68 163.47 113.71 17856.49 Average: 209.60 18.20 191.40 853.76 62557.19 19:22:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:23:01 27747784 31187360 5191436 15.76 77596 3613964 2304296 7.00 1764228 2999992 806632 19:24:01 25058808 30259428 7880412 23.92 134572 5122132 3769056 11.44 3289780 3978872 766676 19:25:01 26900784 31065812 6038436 18.33 135912 4240240 2453740 7.45 2101576 3449760 168 19:26:01 25315388 30967384 7623832 23.15 143128 5667828 3907116 11.86 2491788 4584568 1272 19:27:01 25189040 30924044 7750180 23.53 147684 5739044 3911796 11.88 2637620 4556944 42148 19:28:01 24827056 30882720 8112164 24.63 161580 6008916 3897148 11.83 2733840 4784068 15504 Average: 25839810 30881125 7099410 21.55 133412 5065354 3373859 10.24 2503139 4059034 272067 19:22:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:23:01 veth5a81849d 0.14 0.80 0.01 0.06 0.00 0.00 0.00 0.00 19:23:01 veth93cbd710 0.14 0.83 0.01 0.06 0.00 0.00 0.00 0.00 19:23:01 veth078470b1 1.20 1.76 0.33 0.60 0.00 0.00 0.00 0.00 19:23:01 vethb649ed18 0.47 1.02 0.09 0.17 0.00 0.00 0.00 0.00 19:24:01 veth55492e0 159.11 243.34 14.28 1250.14 0.00 0.00 0.00 0.10 19:24:01 vethb918add7 3.73 3.22 0.70 1.74 0.00 0.00 0.00 0.00 19:24:01 veth1ca023ed 0.15 0.43 0.01 0.03 0.00 0.00 0.00 0.00 19:24:01 veth078470b1 7.97 9.57 3.13 3.13 0.00 0.00 0.00 0.00 19:25:01 vethb918add7 1.37 1.62 0.11 0.41 0.00 0.00 0.00 0.00 19:25:01 veth1ca023ed 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 veth078470b1 7.20 8.65 2.78 1.80 0.00 0.00 0.00 0.00 19:25:01 vethb649ed18 0.77 1.75 0.11 0.23 0.00 0.00 0.00 0.00 19:26:01 vethb918add7 1.40 1.52 0.11 0.19 0.00 0.00 0.00 0.00 19:26:01 veth1ca023ed 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 vethc3152fb 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 19:26:01 br-87091f63568e 0.00 0.15 0.00 0.01 0.00 0.00 0.00 0.00 19:27:01 vethb918add7 1.35 1.52 0.11 0.19 0.00 0.00 0.00 0.00 19:27:01 veth1ca023ed 0.02 0.05 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 vethc3152fb 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 19:27:01 br-87091f63568e 2.70 2.70 0.10 0.19 0.00 0.00 0.00 0.00 19:28:01 vethb918add7 1.38 1.48 0.11 0.18 0.00 0.00 0.00 0.00 19:28:01 veth1ca023ed 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 vethc3152fb 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:28:01 br-87091f63568e 3.85 3.85 0.15 0.28 0.00 0.00 0.00 0.00 Average: vethb918add7 1.54 1.56 0.19 0.45 0.00 0.00 0.00 0.00 Average: veth1ca023ed 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethc3152fb 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: br-87091f63568e 1.09 1.12 0.04 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-4542) 10/22/25 _x86_64_ (8 CPU) 19:21:23 LINUX RESTART (8 CPU) 19:22:02 CPU %user %nice %system %iowait %steal %idle 19:23:01 all 11.18 0.97 4.12 7.95 0.08 75.71 19:23:01 0 9.78 1.35 3.90 13.46 0.07 71.44 19:23:01 1 11.01 0.00 4.56 9.81 0.07 74.54 19:23:01 2 8.28 0.00 4.10 2.93 0.09 84.60 19:23:01 3 13.06 2.14 4.70 4.06 0.10 75.93 19:23:01 4 18.28 0.00 4.13 6.47 0.09 71.03 19:23:01 5 8.93 0.02 3.17 21.90 0.09 65.90 19:23:01 6 11.33 3.55 4.35 3.65 0.09 77.04 19:23:01 7 8.72 0.62 4.03 1.27 0.09 85.27 19:24:01 all 33.98 0.00 5.31 11.82 0.11 48.78 19:24:01 0 33.24 0.00 5.22 6.53 0.10 54.91 19:24:01 1 33.49 0.00 5.36 9.78 0.10 51.27 19:24:01 2 34.45 0.00 5.32 3.31 0.12 56.81 19:24:01 3 34.58 0.00 5.21 9.55 0.12 50.54 19:24:01 4 34.00 0.00 5.16 6.61 0.13 54.08 19:24:01 5 33.96 0.00 5.61 25.90 0.10 34.42 19:24:01 6 34.49 0.00 5.20 12.12 0.10 48.08 19:24:01 7 33.65 0.00 5.39 20.72 0.10 40.13 19:25:01 all 34.86 0.00 5.19 2.91 0.09 56.94 19:25:01 0 34.04 0.00 5.40 2.53 0.08 57.94 19:25:01 1 35.17 0.00 4.83 0.20 0.10 59.70 19:25:01 2 41.16 0.00 4.95 0.20 0.08 53.60 19:25:01 3 33.60 0.00 5.54 0.79 0.12 59.96 19:25:01 4 31.43 0.00 5.04 0.27 0.08 63.18 19:25:01 5 31.73 0.00 5.17 9.79 0.08 53.23 19:25:01 6 35.27 0.00 5.41 4.35 0.08 54.89 19:25:01 7 36.51 0.00 5.22 5.20 0.08 53.00 19:26:01 all 6.52 0.22 3.00 5.49 0.08 84.69 19:26:01 0 7.77 0.00 2.43 0.42 0.08 89.30 19:26:01 1 8.22 0.00 3.93 20.42 0.08 67.34 19:26:01 2 4.95 0.00 3.08 1.70 0.10 90.17 19:26:01 3 4.60 0.00 2.50 2.04 0.07 90.79 19:26:01 4 8.12 1.75 3.19 1.28 0.08 85.57 19:26:01 5 4.26 0.00 3.06 10.33 0.08 82.26 19:26:01 6 7.21 0.00 3.12 1.15 0.08 88.45 19:26:01 7 7.00 0.00 2.67 6.64 0.08 83.60 19:27:01 all 2.61 0.00 0.66 0.33 0.05 96.35 19:27:01 0 2.39 0.00 0.65 0.15 0.07 96.74 19:27:01 1 1.10 0.00 0.74 0.05 0.05 98.06 19:27:01 2 2.41 0.00 0.60 0.03 0.07 96.89 19:27:01 3 1.42 0.00 0.62 0.00 0.05 97.91 19:27:01 4 1.04 0.00 0.57 1.29 0.03 97.07 19:27:01 5 4.33 0.00 0.64 0.33 0.05 94.65 19:27:01 6 4.77 0.00 0.67 0.65 0.03 93.87 19:27:01 7 3.42 0.00 0.78 0.13 0.05 95.61 19:28:01 all 11.38 0.00 1.26 1.31 0.06 85.99 19:28:01 0 7.35 0.00 1.25 0.98 0.07 90.34 19:28:01 1 19.77 0.00 1.37 0.87 0.07 77.93 19:28:01 2 12.01 0.00 1.69 2.66 0.08 83.55 19:28:01 3 9.10 0.00 1.05 0.07 0.03 89.74 19:28:01 4 15.03 0.00 1.72 4.28 0.07 78.90 19:28:01 5 6.96 0.00 0.95 0.72 0.07 91.30 19:28:01 6 12.04 0.00 1.29 0.70 0.07 85.90 19:28:01 7 8.73 0.00 0.77 0.23 0.05 90.22 Average: all 16.75 0.19 3.25 4.95 0.08 74.78 Average: 0 15.75 0.22 3.14 3.97 0.08 76.84 Average: 1 18.14 0.00 3.46 6.82 0.08 71.51 Average: 2 17.22 0.00 3.28 1.80 0.09 77.61 Average: 3 16.04 0.35 3.26 2.74 0.08 77.52 Average: 4 17.96 0.29 3.29 3.36 0.08 75.01 Average: 5 15.00 0.00 3.09 11.44 0.08 70.39 Average: 6 17.52 0.58 3.33 3.76 0.08 74.73 Average: 7 16.33 0.10 3.13 5.70 0.08 74.66