---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17954 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 1645 24047 2 6474 30064 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:c0:f1:e1 brd ff:ff:ff:ff:ff:ff inet 10.30.106.172/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86078sec preferred_lft 86078sec inet6 fe80::f816:3eff:fec0:f1e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:89:76:ee 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::42:36ff:fe89:76ee/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 56:bf:7d:4d:b5:0e 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::54bf:7dff:fe4d:b50e/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether fa:85:44:1c:86:58 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::f885:44ff:fe1c:8658/64 scope link valid_lft forever preferred_lft forever 8: veth5b1a22d3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 42:2a:93:03:39:98 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::402a:93ff:fe03:3998/64 scope link valid_lft forever preferred_lft forever 9: vethb925e239@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 32:95:9d:ce:87:7c brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::3095:9dff:fece:877c/64 scope link valid_lft forever preferred_lft forever 10: veth0f5c0ed3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 2a:d6:cd:71:3a:8d brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::28d6:cdff:fe71:3a8d/64 scope link valid_lft forever preferred_lft forever 13: veth59c06d3c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 3e:88:8b:52:9d:7a brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::3c88:8bff:fe52:9d7a/64 scope link valid_lft forever preferred_lft forever 14: veth96cdcd00@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 4a:04:16:d3:28:bc brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::4804:16ff:fed3:28bc/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-17954) 12/05/25 _x86_64_ (8 CPU) 11:08:53 LINUX RESTART (8 CPU) 11:09:01 tps rtps wtps bread/s bwrtn/s 11:10:01 436.71 128.76 307.95 7182.67 141637.99 11:11:01 501.82 8.40 493.42 1242.73 168011.20 11:12:01 130.73 3.42 127.31 464.59 81290.45 11:13:01 120.06 21.76 98.30 750.41 38029.00 11:14:01 127.05 1.20 125.85 80.52 10965.37 Average: 263.27 32.71 230.56 1944.18 87986.80 11:09:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 29536148 31448960 3403072 10.33 50152 2168176 1751688 5.32 1480736 1610712 4792 11:11:01 25477440 30289772 7461780 22.65 130288 4765316 3671164 11.15 2957904 3899224 387348 11:12:01 26161396 31002924 6777824 20.58 133388 4902576 2664868 8.09 2295392 3981416 172 11:13:01 24995556 30821520 7943664 24.12 180804 5790836 3527048 10.71 2710928 4662268 32280 11:14:01 24641220 30808288 8298000 25.19 189548 6084528 3547604 10.77 2743920 4942496 135476 Average: 26162352 30874293 6776868 20.57 136836 4742286 3032474 9.21 2437776 3819223 112014 11:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 87.34 87.34 36.90 36.90 0.00 0.00 0.00 0.00 11:10:01 ens3 499.60 345.98 2587.86 79.50 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 vethb925e239 7.78 9.73 2.96 3.18 0.00 0.00 0.00 0.00 11:11:01 vethd5db294 110.18 139.49 10.68 1246.64 0.00 0.00 0.00 0.10 11:11:01 veth59c06d3c 0.15 0.50 0.01 0.04 0.00 0.00 0.00 0.00 11:11:01 lo 165.79 165.79 252.49 252.49 0.00 0.00 0.00 0.00 11:12:01 vethb925e239 6.98 8.10 2.69 1.66 0.00 0.00 0.00 0.00 11:12:01 veth59c06d3c 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 11:12:01 lo 14.10 14.10 4.20 4.20 0.00 0.00 0.00 0.00 11:12:01 cni0 58.97 57.77 43.20 115.75 0.00 0.00 0.97 0.00 11:13:01 vethb925e239 7.50 8.68 2.80 1.84 0.00 0.00 0.00 0.00 11:13:01 veth59c06d3c 0.02 0.18 0.00 0.01 0.00 0.00 0.00 0.00 11:13:01 lo 45.58 45.58 17.23 17.23 0.00 0.00 0.00 0.00 11:13:01 cni0 12.40 13.63 3.06 2.61 0.00 0.00 0.18 0.00 11:14:01 vethb925e239 7.37 8.58 2.79 1.80 0.00 0.00 0.00 0.00 11:14:01 veth59c06d3c 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 lo 21.58 21.58 6.22 6.22 0.00 0.00 0.00 0.00 11:14:01 cni0 11.96 13.35 3.03 2.43 0.00 0.00 0.02 0.00 Average: vethb925e239 5.93 7.02 2.25 1.70 0.00 0.00 0.00 0.00 Average: veth59c06d3c 0.04 0.16 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 66.88 66.88 63.41 63.41 0.00 0.00 0.00 0.00 Average: cni0 16.67 16.95 9.86 24.16 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17954) 12/05/25 _x86_64_ (8 CPU) 11:08:53 LINUX RESTART (8 CPU) 11:09:01 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 8.76 0.63 2.78 3.06 0.05 84.72 11:10:01 0 6.92 1.56 3.85 1.17 0.03 86.47 11:10:01 1 9.58 2.97 2.97 7.71 0.05 76.73 11:10:01 2 15.46 0.02 2.40 0.58 0.03 81.50 11:10:01 3 6.46 0.00 1.96 3.72 0.07 87.79 11:10:01 4 10.32 0.00 3.10 1.96 0.03 84.59 11:10:01 5 6.28 0.45 2.31 0.70 0.05 90.21 11:10:01 6 9.72 0.00 2.52 4.16 0.05 83.55 11:10:01 7 5.29 0.00 3.10 4.54 0.05 87.02 11:11:01 all 44.02 0.00 8.27 3.16 0.09 44.47 11:11:01 0 45.45 0.00 8.06 3.60 0.08 42.81 11:11:01 1 45.40 0.00 8.41 1.52 0.08 44.58 11:11:01 2 43.84 0.00 8.57 7.37 0.10 40.12 11:11:01 3 41.51 0.00 8.15 2.51 0.08 47.76 11:11:01 4 44.09 0.00 8.36 3.57 0.10 43.88 11:11:01 5 43.14 0.00 7.97 1.16 0.10 47.63 11:11:01 6 43.89 0.00 8.15 1.25 0.08 46.63 11:11:01 7 44.83 0.00 8.50 4.26 0.08 42.32 11:12:01 all 34.48 0.20 5.92 1.09 0.07 58.24 11:12:01 0 35.35 0.02 7.25 0.30 0.08 56.99 11:12:01 1 37.31 0.00 5.72 2.12 0.08 54.76 11:12:01 2 33.22 0.13 5.18 0.00 0.07 61.40 11:12:01 3 36.41 0.00 5.35 0.35 0.08 57.81 11:12:01 4 31.87 0.00 6.23 1.31 0.08 60.51 11:12:01 5 36.93 0.00 6.26 0.29 0.07 56.46 11:12:01 6 31.70 0.00 5.24 3.70 0.07 59.29 11:12:01 7 33.00 1.48 6.16 0.66 0.08 58.62 11:13:01 all 7.61 0.00 3.02 0.78 0.08 88.51 11:13:01 0 10.25 0.00 2.93 0.42 0.08 86.32 11:13:01 1 9.43 0.00 3.97 0.55 0.07 85.98 11:13:01 2 9.88 0.00 2.14 0.33 0.07 87.58 11:13:01 3 6.71 0.00 3.89 0.57 0.07 88.77 11:13:01 4 6.97 0.00 3.19 3.53 0.08 86.22 11:13:01 5 5.42 0.00 2.64 0.20 0.07 91.67 11:13:01 6 6.64 0.00 3.12 0.40 0.08 89.76 11:13:01 7 5.58 0.00 2.22 0.27 0.08 91.85 11:14:01 all 12.01 0.00 1.26 0.59 0.06 86.07 11:14:01 0 6.65 0.00 0.93 0.12 0.07 92.24 11:14:01 1 8.73 0.00 1.13 0.13 0.08 89.93 11:14:01 2 19.54 0.00 1.89 0.45 0.07 78.06 11:14:01 3 4.46 0.00 0.93 1.15 0.05 93.41 11:14:01 4 12.88 0.00 1.52 0.35 0.07 85.19 11:14:01 5 15.99 0.00 1.32 1.40 0.07 81.22 11:14:01 6 4.43 0.00 0.92 0.13 0.07 94.45 11:14:01 7 23.45 0.00 1.50 0.95 0.05 74.05 Average: all 21.31 0.17 4.24 1.73 0.07 72.48 Average: 0 20.88 0.32 4.60 1.12 0.07 73.01 Average: 1 21.98 0.59 4.42 2.40 0.07 70.52 Average: 2 24.32 0.03 4.02 1.73 0.07 69.83 Average: 3 19.04 0.00 4.04 1.66 0.07 75.19 Average: 4 21.17 0.00 4.47 2.14 0.07 72.15 Average: 5 21.49 0.09 4.09 0.75 0.07 73.51 Average: 6 19.22 0.00 3.98 1.93 0.07 74.80 Average: 7 22.37 0.30 4.28 2.13 0.07 70.85