---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18628 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 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 1638 24027 2 6500 30071 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:9b:f1:92 brd ff:ff:ff:ff:ff:ff inet 10.30.107.74/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fe9b:f192/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:aa:22:52:ef 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:aaff:fe22:52ef/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 96:b8:e7:43:62:2e 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::94b8:e7ff:fe43:622e/64 scope link valid_lft forever preferred_lft forever 7: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 26:e1:27:68:70:cb 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::24e1:27ff:fe68:70cb/64 scope link valid_lft forever preferred_lft forever 8: veth4d1bff50@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 1a:bb:40:64:2a:e5 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::18bb:40ff:fe64:2ae5/64 scope link valid_lft forever preferred_lft forever 9: veth1648cfca@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 82:8a:7c:bf:31:7f brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::808a:7cff:febf:317f/64 scope link valid_lft forever preferred_lft forever 12: veth0f20cc82@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8a:18:06:67:36:ef brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::8818:6ff:fe67:36ef/64 scope link valid_lft forever preferred_lft forever 13: veth4dea7c96@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 92:b3:52:c7:9b:c3 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::90b3:52ff:fec7:9bc3/64 scope link valid_lft forever preferred_lft forever 14: vethc4bb955d@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 66:c9:a3:eb:f1:22 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::64c9:a3ff:feeb:f122/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18628) 12/08/25 _x86_64_ (8 CPU) 07:27:58 LINUX RESTART (8 CPU) 07:28:01 tps rtps wtps bread/s bwrtn/s 07:29:02 412.85 95.17 317.68 6214.96 136592.43 07:30:01 567.25 43.88 523.36 2257.81 144944.63 07:31:01 71.82 3.13 68.69 429.93 57835.83 07:32:01 157.96 2.41 155.54 109.89 73114.09 07:33:01 106.52 20.31 86.20 752.41 9599.07 Average: 262.25 32.94 229.31 1951.68 84214.98 07:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:29:02 29580812 31459040 3358408 10.20 46064 2145616 1721920 5.23 1351508 1708192 5112 07:30:01 25751528 30958692 7187692 21.82 130056 5123436 3084744 9.36 2652772 3921484 957248 07:31:01 26930980 31037144 6008240 18.24 131960 4184096 2570348 7.80 2127328 3392136 92660 07:32:01 25063916 30850552 7875304 23.91 179200 5757440 3555756 10.79 2658376 4644720 96724 07:33:01 24684712 30781580 8254508 25.06 190308 6023500 3561288 10.81 2763276 4888080 178888 Average: 26402390 31017402 6536830 19.85 135518 4646818 2898811 8.80 2310652 3710922 266126 07:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:29:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:29:02 ens3 465.26 340.08 2587.29 79.18 0.00 0.00 0.00 0.00 07:29:02 lo 63.86 63.86 24.69 24.69 0.00 0.00 0.00 0.00 07:30:01 docker0 132.55 185.19 10.63 1312.65 0.00 0.00 0.00 0.00 07:30:01 veth1648cfca 6.29 8.18 2.44 2.89 0.00 0.00 0.00 0.00 07:30:01 cni0 46.51 42.73 40.37 114.95 0.00 0.00 0.88 0.00 07:30:01 vethc4bb955d 4.61 3.80 0.92 2.27 0.00 0.00 0.00 0.00 07:31:01 docker0 6.03 10.81 0.42 25.85 0.00 0.00 0.00 0.00 07:31:01 veth1648cfca 6.82 8.07 2.62 1.71 0.00 0.00 0.00 0.00 07:31:01 cni0 11.33 12.83 2.87 2.32 0.00 0.00 0.08 0.00 07:31:01 vethc4bb955d 1.50 1.63 0.12 0.34 0.00 0.00 0.00 0.00 07:32:01 docker0 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 07:32:01 veth1648cfca 7.33 8.72 2.79 1.77 0.00 0.00 0.00 0.00 07:32:01 cni0 12.25 13.72 3.05 2.43 0.00 0.00 0.18 0.00 07:32:01 vethc4bb955d 1.48 1.80 0.12 0.32 0.00 0.00 0.00 0.00 07:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 veth1648cfca 7.28 8.58 2.78 1.87 0.00 0.00 0.00 0.00 07:33:01 cni0 11.93 13.58 3.03 2.62 0.00 0.00 0.00 0.00 07:33:01 vethc4bb955d 1.47 1.60 0.12 0.42 0.00 0.00 0.00 0.00 Average: docker0 27.36 38.72 2.18 264.20 0.00 0.00 0.00 0.00 Average: veth1648cfca 5.54 6.71 2.13 1.64 0.00 0.00 0.00 0.00 Average: cni0 16.31 16.49 9.76 24.16 0.00 0.00 0.23 0.00 Average: vethc4bb955d 1.80 1.76 0.25 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18628) 12/08/25 _x86_64_ (8 CPU) 07:27:58 LINUX RESTART (8 CPU) 07:28:01 CPU %user %nice %system %iowait %steal %idle 07:29:02 all 7.84 0.68 2.30 2.88 0.04 86.26 07:29:02 0 6.31 0.00 1.57 0.22 0.03 91.87 07:29:02 1 8.90 0.00 2.32 3.78 0.05 84.95 07:29:02 2 5.89 0.00 3.21 1.11 0.05 89.73 07:29:02 3 7.93 3.23 3.37 6.10 0.05 79.32 07:29:02 4 6.76 0.02 1.79 0.27 0.03 91.14 07:29:02 5 5.90 2.16 2.09 1.20 0.03 88.62 07:29:02 6 11.34 0.00 2.06 9.93 0.07 76.60 07:29:02 7 9.72 0.00 2.01 0.38 0.03 87.85 07:30:01 all 44.37 0.00 8.68 4.95 0.09 41.91 07:30:01 0 43.97 0.00 9.68 8.80 0.10 37.44 07:30:01 1 45.95 0.00 8.40 3.17 0.09 42.39 07:30:01 2 45.75 0.00 8.75 4.80 0.10 40.61 07:30:01 3 45.36 0.00 9.20 7.27 0.09 38.09 07:30:01 4 44.61 0.00 8.35 5.31 0.10 41.63 07:30:01 5 44.92 0.00 9.05 4.82 0.10 41.11 07:30:01 6 44.68 0.00 8.51 3.45 0.09 43.27 07:30:01 7 39.64 0.00 7.48 2.01 0.09 50.79 07:31:01 all 37.47 0.00 5.99 1.65 0.08 54.81 07:31:01 0 36.31 0.00 6.34 4.76 0.08 52.51 07:31:01 1 43.71 0.00 6.31 3.21 0.08 46.68 07:31:01 2 36.83 0.00 6.56 2.54 0.08 53.99 07:31:01 3 37.85 0.00 5.42 0.10 0.07 56.57 07:31:01 4 41.24 0.00 6.52 0.18 0.08 51.97 07:31:01 5 37.01 0.00 5.98 0.10 0.08 56.82 07:31:01 6 34.48 0.00 5.81 2.23 0.10 57.38 07:31:01 7 32.26 0.00 4.96 0.05 0.07 62.66 07:32:01 all 7.45 0.21 4.05 2.02 0.08 86.20 07:32:01 0 8.57 0.00 3.65 5.43 0.08 82.27 07:32:01 1 8.58 0.00 3.62 0.29 0.07 87.45 07:32:01 2 7.21 0.00 3.56 1.03 0.08 88.11 07:32:01 3 6.18 1.67 5.08 0.59 0.07 86.41 07:32:01 4 7.97 0.00 3.97 1.19 0.07 86.81 07:32:01 5 6.40 0.00 4.59 0.44 0.08 88.48 07:32:01 6 5.74 0.00 4.32 6.51 0.10 83.33 07:32:01 7 8.93 0.00 3.62 0.69 0.07 86.70 07:33:01 all 10.56 0.00 1.30 0.64 0.07 87.42 07:33:01 0 10.98 0.00 1.39 0.25 0.07 87.31 07:33:01 1 2.83 0.00 0.91 1.19 0.07 95.01 07:33:01 2 6.12 0.00 1.19 0.08 0.08 92.52 07:33:01 3 9.21 0.00 1.49 0.12 0.08 89.10 07:33:01 4 2.88 0.00 1.30 2.73 0.10 92.99 07:33:01 5 10.74 0.00 1.34 0.17 0.08 87.67 07:33:01 6 22.31 0.00 1.37 0.27 0.07 75.98 07:33:01 7 19.33 0.00 1.45 0.32 0.07 78.83 Average: all 21.39 0.18 4.44 2.41 0.07 71.51 Average: 0 21.09 0.00 4.49 3.86 0.07 70.49 Average: 1 21.86 0.00 4.29 2.32 0.07 71.45 Average: 2 20.22 0.00 4.63 1.90 0.08 73.17 Average: 3 21.16 0.99 4.88 2.81 0.07 70.09 Average: 4 20.54 0.00 4.36 1.92 0.08 73.11 Average: 5 20.87 0.44 4.58 1.33 0.08 72.71 Average: 6 23.59 0.00 4.38 4.48 0.08 67.46 Average: 7 21.83 0.00 3.87 0.68 0.06 73.55