---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18621 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: 2799.996 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 13G 143G 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 ---> free -m: total used free shared buff/cache available Mem: 32167 1428 25835 1 4902 30281 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:ab:52:ff brd ff:ff:ff:ff:ff:ff inet 10.30.106.236/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:feab:52ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:df:77:c7 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:e8ff:fedf:77c7/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ce:ad:90:3d:c4:e3 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::ccad:90ff:fe3d:c4e3/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether ea:4b:1f:53:2c:32 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::e84b:1fff:fe53:2c32/64 scope link valid_lft forever preferred_lft forever 6: veth8bbb08d1@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:f7:86:3b:00:9d brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::4f7:86ff:fe3b:9d/64 scope link valid_lft forever preferred_lft forever 7: vethec1fc1f9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 76:d1:f0:80:4b:54 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::74d1:f0ff:fe80:4b54/64 scope link valid_lft forever preferred_lft forever 8: vethb2f5c69f@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 16:36:bf:13:be:96 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::1436:bfff:fe13:be96/64 scope link valid_lft forever preferred_lft forever 13: veth858918c2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 06:91:7c:99:4a:7f brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::491:7cff:fe99:4a7f/64 scope link valid_lft forever preferred_lft forever 14: vethadacca91@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ee:10:2c:f5:10:f7 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::ec10:2cff:fef5:10f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18621) 12/08/25 _x86_64_ (8 CPU) 07:10:11 LINUX RESTART (8 CPU) 07:11:01 tps rtps wtps bread/s bwrtn/s 07:12:01 517.71 48.19 469.52 2921.78 160205.83 07:13:01 182.64 3.12 179.52 432.12 82184.61 07:14:01 142.43 20.70 121.73 790.00 23503.95 Average: 280.92 24.00 256.92 1381.25 88631.10 07:11:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:12:01 25892512 30636380 7046708 21.39 134440 4667264 3962056 12.03 2749600 3703804 786164 07:13:01 27046684 31065672 5892536 17.89 138228 4092816 2511592 7.62 2104288 3302752 288 07:14:01 26623536 31082992 6315684 19.17 148740 4491684 2521736 7.66 2247340 3551292 170420 Average: 26520911 30928348 6418309 19.49 140469 4417255 2998461 9.10 2367076 3519283 318957 07:11:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:12:01 cni0 44.99 41.31 39.63 113.07 0.00 0.00 0.83 0.00 07:12:01 ens3 614.53 402.63 10612.47 38.57 0.00 0.00 0.00 0.00 07:12:01 veth858918c2 0.13 0.43 0.01 0.03 0.00 0.00 0.00 0.00 07:12:01 veth47fa366 186.07 271.97 16.47 1306.11 0.00 0.00 0.00 0.11 07:13:01 cni0 11.10 12.26 2.79 2.01 0.00 0.00 0.12 0.00 07:13:01 ens3 15.63 9.58 27.61 2.03 0.00 0.00 0.00 0.00 07:13:01 veth858918c2 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 07:13:01 vethadacca91 6.01 5.45 1.02 2.50 0.00 0.00 0.00 0.00 07:14:01 cni0 11.96 13.28 3.03 2.17 0.00 0.00 0.08 0.00 07:14:01 ens3 90.27 65.27 1587.41 12.64 0.00 0.00 0.00 0.00 07:14:01 veth858918c2 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 07:14:01 vethadacca91 1.40 1.55 0.11 0.17 0.00 0.00 0.00 0.00 Average: cni0 22.68 22.28 15.15 39.08 0.00 0.00 0.34 0.00 Average: ens3 240.13 159.15 4075.60 17.75 0.00 0.00 0.00 0.00 Average: veth858918c2 0.06 0.21 0.00 0.02 0.00 0.00 0.00 0.00 Average: vethadacca91 2.47 2.33 0.38 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18621) 12/08/25 _x86_64_ (8 CPU) 07:10:11 LINUX RESTART (8 CPU) 07:11:01 CPU %user %nice %system %iowait %steal %idle 07:12:01 all 27.38 0.00 6.81 3.43 0.08 62.30 07:12:01 0 26.75 0.00 6.87 4.19 0.08 62.11 07:12:01 1 28.27 0.00 6.61 3.69 0.08 61.34 07:12:01 2 28.51 0.00 6.80 6.47 0.08 58.14 07:12:01 3 28.11 0.00 7.06 3.04 0.08 61.71 07:12:01 4 26.65 0.00 6.75 5.07 0.08 61.45 07:12:01 5 27.56 0.00 6.39 1.88 0.08 64.08 07:12:01 6 26.27 0.00 6.93 1.37 0.07 65.37 07:12:01 7 26.89 0.00 7.04 1.74 0.08 64.25 07:13:01 all 49.04 0.00 6.93 0.89 0.09 43.05 07:13:01 0 48.77 0.00 6.80 0.32 0.07 44.04 07:13:01 1 47.48 0.00 6.69 1.91 0.10 43.82 07:13:01 2 48.43 0.00 7.30 0.05 0.07 44.15 07:13:01 3 48.83 0.00 7.30 0.10 0.07 43.70 07:13:01 4 49.01 0.00 6.91 2.54 0.08 41.46 07:13:01 5 50.89 0.00 6.84 0.22 0.08 41.96 07:13:01 6 49.82 0.00 7.31 1.82 0.10 40.95 07:13:01 7 49.08 0.00 6.30 0.19 0.10 44.33 07:14:01 all 10.62 0.19 1.61 0.75 0.07 86.77 07:14:01 0 2.86 1.51 1.32 0.95 0.05 93.31 07:14:01 1 2.98 0.00 1.08 0.35 0.08 95.51 07:14:01 2 20.82 0.00 2.23 1.96 0.07 74.93 07:14:01 3 22.91 0.00 1.76 0.47 0.08 74.77 07:14:01 4 9.84 0.02 1.49 0.18 0.08 88.38 07:14:01 5 9.17 0.00 1.76 0.82 0.08 88.18 07:14:01 6 6.97 0.00 1.34 0.07 0.05 91.58 07:14:01 7 9.39 0.00 1.86 1.21 0.08 87.46 Average: all 28.98 0.06 5.11 1.69 0.08 64.08 Average: 0 26.08 0.50 4.99 1.82 0.07 66.54 Average: 1 26.23 0.00 4.79 1.98 0.09 66.91 Average: 2 32.58 0.00 5.43 2.82 0.07 59.10 Average: 3 33.26 0.00 5.37 1.20 0.08 60.09 Average: 4 28.47 0.01 5.04 2.59 0.08 63.81 Average: 5 29.17 0.00 4.99 0.97 0.08 64.78 Average: 6 27.65 0.00 5.18 1.08 0.07 66.01 Average: 7 28.42 0.00 5.06 1.04 0.09 65.39