---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19069 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 1.6M 3.2G 1% /run /dev/vda1 155G 13G 143G 9% / 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 ---> free -m: total used free shared buff/cache available Mem: 32167 1433 25749 1 4984 30277 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:87:f7:4b brd ff:ff:ff:ff:ff:ff inet 10.30.106.171/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe87:f74b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:93:8c:0c:15 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::42:93ff:fe8c:c15/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether aa:c8:64:00:45:5c 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::a8c8:64ff:fe00:455c/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 36:f5:2c:ec:cc:29 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::34f5:2cff:feec:cc29/64 scope link valid_lft forever preferred_lft forever 6: veth9cb07048@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether b2:97:61:5a:fe:1b brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::b097:61ff:fe5a:fe1b/64 scope link valid_lft forever preferred_lft forever 7: veth9740066a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:18:4f:75:0c:eb brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::8418:4fff:fe75:ceb/64 scope link valid_lft forever preferred_lft forever 8: veth79bd9374@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9a:28:0e:5d:0e:46 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::9828:eff:fe5d:e46/64 scope link valid_lft forever preferred_lft forever 13: veth849c74c0@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c6:d2:5e:ae:1c:97 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::c4d2:5eff:feae:1c97/64 scope link valid_lft forever preferred_lft forever 14: vethe7a85211@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:81:ee:5a:11:da brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::7881:eeff:fe5a:11da/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-19069) 12/09/25 _x86_64_ (8 CPU) 15:03:33 LINUX RESTART (8 CPU) 15:04:01 tps rtps wtps bread/s bwrtn/s 15:05:01 545.24 117.30 427.95 6350.94 141646.26 15:06:01 373.24 3.12 370.12 374.07 122745.41 15:07:01 178.36 23.21 155.15 1137.09 62263.91 15:08:01 104.18 1.85 102.33 118.11 10324.15 Average: 300.25 36.37 263.88 1995.02 84244.02 15:04:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:05:01 27552256 31084332 5386964 16.35 79508 3696736 2517468 7.64 1914308 3035452 573732 15:06:01 25762136 30955092 7177084 21.79 135376 5141552 3647000 11.07 2667388 3891868 464504 15:07:01 26623916 30964448 6315304 19.17 144572 4389564 2625076 7.97 2362288 3453060 56336 15:08:01 26368768 31005280 6570452 19.95 150976 4650392 2558892 7.77 2349256 3689440 123996 Average: 26576769 31002288 6362451 19.32 127608 4469561 2837109 8.61 2323310 3517455 304642 15:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:05:01 veth9cb07048 1.52 2.25 0.42 0.86 0.00 0.00 0.00 0.00 15:05:01 veth9740066a 0.45 1.12 0.09 0.20 0.00 0.00 0.00 0.00 15:05:01 vethc7595b80 17.43 14.71 25.13 35.64 0.00 0.00 0.00 0.00 15:05:01 lo 206.32 206.32 222.55 222.55 0.00 0.00 0.00 0.00 15:06:01 veth9cb07048 7.78 9.35 3.12 2.70 0.00 0.00 0.00 0.00 15:06:01 veth849c74c0 0.15 0.52 0.01 0.04 0.00 0.00 0.00 0.00 15:06:01 veth9740066a 0.17 0.58 0.01 0.05 0.00 0.00 0.00 0.00 15:06:01 lo 54.19 54.19 67.65 67.65 0.00 0.00 0.00 0.00 15:07:01 veth9cb07048 7.11 8.50 2.77 1.71 0.00 0.00 0.00 0.00 15:07:01 veth849c74c0 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:07:01 veth9740066a 0.15 0.20 0.01 0.02 0.00 0.00 0.00 0.00 15:07:01 lo 14.68 14.68 4.29 4.29 0.00 0.00 0.00 0.00 15:08:01 veth9cb07048 7.23 8.43 2.78 1.70 0.00 0.00 0.00 0.00 15:08:01 veth849c74c0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 veth9740066a 0.10 0.13 0.01 0.01 0.00 0.00 0.00 0.00 15:08:01 lo 14.51 14.51 4.39 4.39 0.00 0.00 0.00 0.00 Average: veth9cb07048 5.91 7.13 2.27 1.74 0.00 0.00 0.00 0.00 Average: veth849c74c0 0.05 0.16 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth9740066a 0.22 0.51 0.03 0.07 0.00 0.00 0.00 0.00 Average: lo 72.42 72.42 74.72 74.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19069) 12/09/25 _x86_64_ (8 CPU) 15:03:33 LINUX RESTART (8 CPU) 15:04:01 CPU %user %nice %system %iowait %steal %idle 15:05:01 all 14.95 0.68 4.67 3.88 0.08 75.74 15:05:01 0 15.79 3.52 6.38 4.58 0.10 69.63 15:05:01 1 12.99 0.03 4.24 1.58 0.07 81.08 15:05:01 2 20.48 1.86 4.74 1.26 0.08 71.57 15:05:01 3 17.14 0.00 4.19 1.84 0.07 76.76 15:05:01 4 12.51 0.00 5.19 5.79 0.08 76.42 15:05:01 5 11.59 0.00 3.82 7.07 0.07 77.45 15:05:01 6 12.95 0.00 4.12 3.79 0.07 79.07 15:05:01 7 16.16 0.00 4.66 5.08 0.07 74.03 15:06:01 all 39.40 0.00 5.81 2.53 0.10 52.16 15:06:01 0 37.55 0.00 5.45 1.19 0.12 55.69 15:06:01 1 38.46 0.00 5.43 1.18 0.12 54.82 15:06:01 2 42.13 0.00 6.76 0.84 0.10 50.17 15:06:01 3 43.14 0.00 5.57 3.43 0.10 47.75 15:06:01 4 37.79 0.00 5.62 2.10 0.10 54.39 15:06:01 5 37.99 0.00 5.87 3.90 0.08 52.16 15:06:01 6 41.62 0.00 6.53 4.02 0.12 47.71 15:06:01 7 36.49 0.00 5.28 3.62 0.08 54.53 15:07:01 all 35.57 0.20 5.24 0.80 0.09 58.10 15:07:01 0 32.71 0.00 5.28 0.62 0.07 61.33 15:07:01 1 34.14 0.00 5.44 2.09 0.08 58.24 15:07:01 2 35.36 0.00 4.94 0.08 0.08 59.54 15:07:01 3 38.51 1.55 5.50 2.76 0.10 51.58 15:07:01 4 37.16 0.00 5.06 0.10 0.08 57.59 15:07:01 5 32.29 0.00 4.75 0.12 0.08 62.75 15:07:01 6 35.53 0.00 4.65 0.29 0.08 59.46 15:07:01 7 38.90 0.00 6.29 0.40 0.10 54.30 15:08:01 all 11.46 0.00 0.99 0.45 0.07 87.03 15:08:01 0 25.90 0.00 1.91 0.40 0.12 71.67 15:08:01 1 8.42 0.00 1.07 0.47 0.08 89.95 15:08:01 2 16.79 0.00 1.24 0.18 0.10 81.68 15:08:01 3 24.45 0.00 1.05 0.08 0.07 74.34 15:08:01 4 1.25 0.00 0.43 0.10 0.03 98.18 15:08:01 5 8.62 0.00 0.84 0.07 0.05 90.43 15:08:01 6 2.93 0.00 0.35 0.30 0.05 96.38 15:08:01 7 3.40 0.00 1.10 2.04 0.08 93.37 Average: all 25.31 0.22 4.17 1.91 0.08 68.30 Average: 0 27.99 0.88 4.75 1.69 0.10 64.59 Average: 1 23.47 0.01 4.04 1.33 0.09 71.06 Average: 2 28.66 0.47 4.41 0.59 0.09 65.78 Average: 3 30.78 0.39 4.07 2.03 0.08 62.65 Average: 4 22.18 0.00 4.07 2.02 0.08 71.65 Average: 5 22.60 0.00 3.82 2.78 0.07 70.73 Average: 6 23.15 0.00 3.89 2.09 0.08 70.79 Average: 7 23.69 0.00 4.33 2.78 0.08 69.11