---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17924 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 2.1M 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 4.0K 3.2G 1% /run/user/1001 /dev/loop0 51M 51M 0 100% /snap/snapd/25577 /dev/loop1 67M 67M 0 100% /snap/core24/1225 /dev/loop2 22M 22M 0 100% /snap/helm/485 ---> free -m: total used free shared buff/cache available Mem: 32167 1623 24068 2 6475 30087 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:94:df:a6 brd ff:ff:ff:ff:ff:ff inet 10.30.107.137/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86006sec preferred_lft 86006sec inet6 fe80::f816:3eff:fe94:dfa6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:16:57:18:e2 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::42:16ff:fe57:18e2/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ee:da:da:1c:aa:4a 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::ecda:daff:fe1c:aa4a/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether d6:95:ce:1d:57:22 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::d495:ceff:fe1d:5722/64 scope link valid_lft forever preferred_lft forever 6: vethaf1460ce@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:6c:58:00:89:c0 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::b86c:58ff:fe00:89c0/64 scope link valid_lft forever preferred_lft forever 7: vethed45a062@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 02:22:72:0f:de:63 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::22:72ff:fe0f:de63/64 scope link valid_lft forever preferred_lft forever 8: veth26356582@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 22:33:0d:6d:9b:2b brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::2033:dff:fe6d:9b2b/64 scope link valid_lft forever preferred_lft forever 13: veth05debb75@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 82:9c:b5:f1:50:2b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::809c:b5ff:fef1:502b/64 scope link valid_lft forever preferred_lft forever 14: veth419a7c1e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 32:1f:31:af:ef:12 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::301f:31ff:feaf:ef12/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17924) 12/05/25 _x86_64_ (8 CPU) 10:02:33 LINUX RESTART (8 CPU) 10:03:01 tps rtps wtps bread/s bwrtn/s 10:04:01 406.78 117.45 289.34 6394.53 78601.70 10:05:01 383.30 3.80 379.50 368.07 105416.70 10:06:01 124.38 3.03 121.35 415.40 87112.01 10:07:01 146.31 1.45 144.86 107.32 97584.00 10:08:01 115.81 20.95 94.87 718.41 31705.25 Average: 235.32 29.34 205.98 1600.75 80083.93 10:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:04:01 28169176 31252272 4770044 14.48 71544 3283364 2329220 7.07 1699164 2668444 979828 10:05:01 25524196 30545216 7415024 22.51 131928 4933292 3431088 10.42 2994568 3811052 757832 10:06:01 27017264 31081268 5921956 17.98 133096 4142620 2409360 7.31 2091060 3348664 204 10:07:01 25496832 30892500 7442388 22.59 138532 5414208 3832912 11.64 2433708 4455964 1696 10:08:01 24668140 30748340 8271080 25.11 187376 6011840 3603564 10.94 2830072 4839852 211944 Average: 26175122 30903919 6764098 20.54 132495 4757065 3121229 9.48 2409714 3824795 390301 10:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:04:01 veth26356582 0.12 0.60 0.01 0.05 0.00 0.00 0.00 0.00 10:04:01 cni0 0.52 0.12 0.03 0.01 0.00 0.00 0.50 0.00 10:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:04:01 vethed45a062 0.12 0.63 0.01 0.05 0.00 0.00 0.00 0.00 10:05:01 veth26356582 8.10 10.00 3.26 3.40 0.00 0.00 0.00 0.00 10:05:01 cni0 48.28 45.23 40.53 113.66 0.00 0.00 0.45 0.00 10:05:01 docker0 118.28 182.14 9.80 1251.20 0.00 0.00 0.00 0.00 10:05:01 vethed45a062 0.43 0.93 0.09 0.18 0.00 0.00 0.00 0.00 10:06:01 veth26356582 7.03 8.43 2.76 1.70 0.00 0.00 0.00 0.00 10:06:01 cni0 11.66 13.15 3.01 2.16 0.00 0.00 0.07 0.00 10:06:01 docker0 0.60 0.72 0.04 0.65 0.00 0.00 0.00 0.00 10:06:01 vethed45a062 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 10:07:01 veth26356582 7.13 8.53 2.77 1.71 0.00 0.00 0.00 0.00 10:07:01 cni0 11.71 13.40 3.01 2.17 0.00 0.00 0.05 0.00 10:07:01 docker0 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 10:07:01 vethed45a062 0.08 0.13 0.01 0.01 0.00 0.00 0.00 0.00 10:08:01 veth26356582 7.43 8.60 2.79 1.91 0.00 0.00 0.00 0.00 10:08:01 cni0 12.36 13.75 3.05 2.87 0.00 0.00 0.13 0.00 10:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:08:01 vethed45a062 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth26356582 5.96 7.23 2.32 1.76 0.00 0.00 0.00 0.00 Average: cni0 16.91 17.13 9.93 24.18 0.00 0.00 0.24 0.00 Average: docker0 23.78 36.58 1.97 250.37 0.00 0.00 0.00 0.00 Average: vethed45a062 0.18 0.42 0.02 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17924) 12/05/25 _x86_64_ (8 CPU) 10:02:33 LINUX RESTART (8 CPU) 10:03:01 CPU %user %nice %system %iowait %steal %idle 10:04:01 all 12.50 0.60 3.59 5.61 0.06 77.64 10:04:01 0 11.59 0.00 3.37 1.59 0.05 83.41 10:04:01 1 14.98 0.00 4.18 5.71 0.05 75.08 10:04:01 2 14.48 0.00 3.92 15.59 0.07 65.93 10:04:01 3 11.27 3.20 4.01 3.17 0.07 78.28 10:04:01 4 10.79 0.00 3.25 1.09 0.07 84.80 10:04:01 5 14.43 1.52 3.52 1.59 0.07 78.87 10:04:01 6 11.46 0.00 3.50 1.38 0.05 83.61 10:04:01 7 11.00 0.00 2.93 14.80 0.05 71.21 10:05:01 all 36.03 0.00 5.52 8.56 0.10 49.79 10:05:01 0 37.00 0.00 5.07 2.11 0.10 55.71 10:05:01 1 33.86 0.00 5.56 2.96 0.10 57.52 10:05:01 2 36.61 0.00 5.61 20.39 0.10 37.30 10:05:01 3 35.54 0.00 5.71 9.18 0.10 49.46 10:05:01 4 36.14 0.00 5.84 17.39 0.08 40.55 10:05:01 5 35.87 0.00 5.48 5.49 0.10 53.06 10:05:01 6 35.18 0.00 6.29 7.86 0.10 50.57 10:05:01 7 38.02 0.00 4.60 3.10 0.08 54.19 10:06:01 all 34.61 0.00 5.10 4.18 0.09 56.03 10:06:01 0 33.96 0.00 4.93 6.62 0.08 54.40 10:06:01 1 33.83 0.00 4.75 3.02 0.08 58.32 10:06:01 2 36.41 0.00 5.26 7.73 0.10 50.50 10:06:01 3 32.59 0.00 4.99 2.34 0.10 59.98 10:06:01 4 37.86 0.00 6.46 1.87 0.10 53.72 10:06:01 5 35.37 0.00 5.29 2.34 0.08 56.91 10:06:01 6 33.24 0.00 4.34 3.09 0.08 59.25 10:06:01 7 33.61 0.00 4.77 6.44 0.10 55.08 10:07:01 all 6.35 0.20 2.74 6.89 0.07 83.75 10:07:01 0 6.16 0.00 3.24 1.21 0.05 89.34 10:07:01 1 7.10 0.00 2.20 15.68 0.05 74.97 10:07:01 2 8.42 0.00 3.10 1.43 0.08 86.97 10:07:01 3 6.07 0.00 2.15 1.55 0.07 90.17 10:07:01 4 6.30 0.00 3.10 1.74 0.07 88.79 10:07:01 5 5.06 0.00 3.11 4.30 0.07 87.46 10:07:01 6 2.60 0.00 2.23 11.70 0.05 83.42 10:07:01 7 9.11 1.57 2.83 17.49 0.10 68.90 10:08:01 all 7.83 0.00 2.03 1.63 0.07 88.44 10:08:01 0 7.27 0.00 2.55 0.99 0.07 89.13 10:08:01 1 2.26 0.00 1.29 0.08 0.08 96.28 10:08:01 2 11.42 0.00 2.08 1.16 0.07 85.27 10:08:01 3 9.42 0.00 1.74 2.15 0.07 86.62 10:08:01 4 12.33 0.00 1.79 0.32 0.10 85.46 10:08:01 5 9.44 0.00 3.74 1.24 0.07 85.52 10:08:01 6 3.70 0.00 1.29 6.89 0.07 88.06 10:08:01 7 6.79 0.00 1.82 0.18 0.10 91.11 Average: all 19.44 0.16 3.79 5.37 0.08 71.16 Average: 0 19.16 0.00 3.83 2.50 0.07 74.44 Average: 1 18.38 0.00 3.59 5.49 0.07 72.46 Average: 2 21.46 0.00 3.99 9.25 0.08 65.22 Average: 3 18.96 0.64 3.72 3.67 0.08 72.92 Average: 4 20.67 0.00 4.08 4.47 0.08 70.69 Average: 5 20.03 0.31 4.23 2.99 0.08 72.37 Average: 6 17.20 0.00 3.52 6.19 0.07 73.02 Average: 7 19.69 0.31 3.39 8.41 0.09 68.12