---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18617 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 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 1416 26068 1 4682 30294 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:63:4f:cf brd ff:ff:ff:ff:ff:ff inet 10.30.106.26/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86167sec preferred_lft 86167sec inet6 fe80::f816:3eff:fe63:4fcf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:db:de:e8:4f 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:dbff:fede:e84f/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether a2:1f:19:57:cb:57 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::a01f:19ff:fe57:cb57/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 56:09:6a:0a:fe:72 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::5409:6aff:fe0a:fe72/64 scope link valid_lft forever preferred_lft forever 6: vetha87de222@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ea:23:b4:04:28:f3 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::e823:b4ff:fe04:28f3/64 scope link valid_lft forever preferred_lft forever 7: vethe81f12a5@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 46:88:d4:99:11:42 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::4488:d4ff:fe99:1142/64 scope link valid_lft forever preferred_lft forever 10: veth6072a6f8@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether be:da:64:14:98:df brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::bcda:64ff:fe14:98df/64 scope link valid_lft forever preferred_lft forever 11: veth77464e87@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ea:82:d5:05:f3:73 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::e882:d5ff:fe05:f373/64 scope link valid_lft forever preferred_lft forever 12: veth1a5b574e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether d2:90:82:2f:00:59 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::d090:82ff:fe2f:59/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18617) 12/08/25 _x86_64_ (8 CPU) 06:33:30 LINUX RESTART (8 CPU) 06:34:01 tps rtps wtps bread/s bwrtn/s 06:35:01 759.36 88.64 670.72 3904.82 181757.31 06:36:01 225.07 21.19 203.88 1119.63 67941.35 06:37:01 111.75 2.65 109.10 109.05 11250.52 Average: 365.39 37.49 327.89 1711.13 86982.00 06:34:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:35:01 26689060 31049732 6250160 18.97 129584 4345396 2886856 8.76 2086736 3596224 565720 06:36:01 27083664 31059720 5855556 17.78 141008 4047636 2483816 7.54 2250340 3124828 23656 06:37:01 26750584 31067492 6188636 18.79 148868 4344888 2507188 7.61 2260312 3408776 119448 Average: 26841103 31058981 6098117 18.51 139820 4245973 2625953 7.97 2199129 3376609 236275 06:34:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:35:01 veth1a5b574e 2.87 2.58 0.56 1.66 0.00 0.00 0.00 0.00 06:35:01 docker0 190.28 285.15 14.10 1356.76 0.00 0.00 0.00 0.00 06:35:01 veth66ccfe6 190.28 285.27 16.70 1356.77 0.00 0.00 0.00 0.11 06:35:01 vetha87de222 0.50 1.42 0.09 0.22 0.00 0.00 0.00 0.00 06:36:01 veth1a5b574e 1.55 1.83 0.12 0.40 0.00 0.00 0.00 0.00 06:36:01 docker0 16.73 27.34 1.23 41.35 0.00 0.00 0.00 0.00 06:36:01 vetha87de222 0.13 0.28 0.01 0.03 0.00 0.00 0.00 0.00 06:36:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:37:01 veth1a5b574e 1.40 1.48 0.11 0.16 0.00 0.00 0.00 0.00 06:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:37:01 vetha87de222 0.17 0.20 0.01 0.02 0.00 0.00 0.00 0.00 06:37:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth1a5b574e 1.94 1.97 0.26 0.74 0.00 0.00 0.00 0.00 Average: docker0 69.00 104.16 5.11 466.02 0.00 0.00 0.00 0.00 Average: vetha87de222 0.27 0.63 0.04 0.09 0.00 0.00 0.00 0.00 Average: flannel.1 0.00 0.00 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-18617) 12/08/25 _x86_64_ (8 CPU) 06:33:30 LINUX RESTART (8 CPU) 06:34:01 CPU %user %nice %system %iowait %steal %idle 06:35:01 all 17.85 0.69 6.34 3.77 0.07 71.27 06:35:01 0 15.88 0.00 6.10 4.08 0.05 73.88 06:35:01 1 17.14 0.00 6.24 1.75 0.08 74.79 06:35:01 2 17.20 0.00 6.89 3.57 0.08 72.26 06:35:01 3 14.82 0.00 5.89 9.28 0.07 69.95 06:35:01 4 20.30 0.00 6.52 2.30 0.08 70.79 06:35:01 5 18.37 3.41 6.85 4.91 0.08 66.37 06:35:01 6 23.35 2.06 6.70 1.47 0.07 66.35 06:35:01 7 15.79 0.02 5.49 2.81 0.07 75.83 06:36:01 all 39.34 0.26 6.95 0.66 0.08 52.71 06:36:01 0 36.88 0.00 7.11 2.18 0.10 53.73 06:36:01 1 38.34 1.48 6.68 0.17 0.08 53.25 06:36:01 2 38.35 0.59 6.74 0.13 0.08 54.10 06:36:01 3 39.71 0.00 6.96 0.91 0.08 52.34 06:36:01 4 42.14 0.00 6.88 0.24 0.08 50.66 06:36:01 5 37.71 0.00 6.57 1.15 0.07 54.51 06:36:01 6 41.40 0.00 8.07 0.27 0.10 50.16 06:36:01 7 40.22 0.00 6.64 0.17 0.07 52.91 06:37:01 all 11.28 0.00 1.16 0.55 0.06 86.95 06:37:01 0 11.69 0.00 1.27 0.35 0.07 86.62 06:37:01 1 11.16 0.00 1.64 0.45 0.08 86.67 06:37:01 2 26.88 0.00 1.71 1.26 0.07 70.09 06:37:01 3 6.81 0.00 0.97 0.39 0.07 91.76 06:37:01 4 11.57 0.00 1.12 0.12 0.05 87.14 06:37:01 5 7.53 0.00 0.75 0.72 0.07 90.93 06:37:01 6 7.56 0.00 0.87 0.90 0.07 90.60 06:37:01 7 7.04 0.00 1.02 0.22 0.07 91.65 Average: all 22.80 0.32 4.81 1.65 0.07 70.35 Average: 0 21.45 0.00 4.82 2.20 0.07 71.46 Average: 1 22.19 0.49 4.85 0.79 0.08 71.60 Average: 2 27.47 0.20 5.11 1.65 0.08 65.50 Average: 3 20.41 0.00 4.60 3.52 0.07 71.39 Average: 4 24.63 0.00 4.83 0.88 0.07 69.58 Average: 5 21.16 1.13 4.71 2.26 0.07 70.67 Average: 6 24.07 0.68 5.20 0.88 0.08 69.09 Average: 7 20.97 0.01 4.37 1.06 0.07 73.53