---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18007 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 1616 24052 2 6498 30094 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:36:77:7f brd ff:ff:ff:ff:ff:ff inet 10.30.107.179/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86040sec preferred_lft 86040sec inet6 fe80::f816:3eff:fe36:777f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:06:8b:c4: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::42:6ff:fe8b:c4c7/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 86:74:73:94:3a:bc 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::8474:73ff:fe94:3abc/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 62:ae:7d:44:83:88 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::60ae:7dff:fe44:8388/64 scope link valid_lft forever preferred_lft forever 6: vethc6a61b8c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e2:e1:01:56:17:e6 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::e0e1:1ff:fe56:17e6/64 scope link valid_lft forever preferred_lft forever 8: vethca101ac7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether e2:32:26:e4:c0:77 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::e032:26ff:fee4:c077/64 scope link valid_lft forever preferred_lft forever 10: veth9543efea@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 5e:78:e1:cf:e7:ba brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::5c78:e1ff:fecf:e7ba/64 scope link valid_lft forever preferred_lft forever 13: veth94964232@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 9e:f2:32:fc:55:af brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::9cf2:32ff:fefc:55af/64 scope link valid_lft forever preferred_lft forever 14: vethee3416a2@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether c2:4f:a9:9f:4d:03 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::c04f:a9ff:fe9f:4d03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18007) 12/05/25 _x86_64_ (8 CPU) 15:00:03 LINUX RESTART (8 CPU) 15:01:01 tps rtps wtps bread/s bwrtn/s 15:02:01 481.90 41.94 439.96 2197.50 159550.47 15:03:01 155.68 0.00 155.68 0.00 57950.68 15:04:01 156.77 3.77 153.01 512.45 84750.94 15:05:01 98.82 21.63 77.19 734.14 13454.02 Average: 223.29 16.83 206.46 860.99 78925.66 15:01:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:02:01 26067052 30876492 6872168 20.86 132232 4741160 3831016 11.63 2568424 3706140 1034008 15:03:01 24514796 30217752 8424424 25.58 134408 5610440 3870564 11.75 3584616 4205848 738880 15:04:01 25558124 30922628 7381096 22.41 138444 5386172 3740768 11.36 2410612 4425636 1240 15:05:01 24769052 30751280 8170168 24.80 187952 5929112 3652352 11.09 2801732 4785480 104448 Average: 25227256 30692038 7711964 23.41 148259 5416721 3773675 11.46 2841346 4280776 469644 15:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:02:01 veth94964232 0.15 0.43 0.01 0.03 0.00 0.00 0.00 0.00 15:02:01 lo 250.61 250.61 289.65 289.65 0.00 0.00 0.00 0.00 15:02:01 docker0 154.46 226.21 11.80 1291.71 0.00 0.00 0.00 0.00 15:02:01 vethc6a61b8c 0.55 1.62 0.09 0.23 0.00 0.00 0.00 0.00 15:03:01 veth94964232 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:03:01 lo 12.78 12.78 4.08 4.08 0.00 0.00 0.00 0.00 15:03:01 docker0 0.62 0.63 0.04 0.65 0.00 0.00 0.00 0.00 15:03:01 vethc6a61b8c 0.12 0.17 0.01 0.02 0.00 0.00 0.00 0.00 15:04:01 veth94964232 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:04:01 lo 20.00 20.00 5.92 5.92 0.00 0.00 0.00 0.00 15:04:01 docker0 0.05 0.10 0.00 0.01 0.00 0.00 0.00 0.00 15:04:01 vethc6a61b8c 0.13 0.17 0.01 0.02 0.00 0.00 0.00 0.00 15:05:01 veth94964232 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 15:05:01 lo 44.29 44.29 16.88 16.88 0.00 0.00 0.00 0.00 15:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 vethc6a61b8c 0.10 0.18 0.01 0.02 0.00 0.00 0.00 0.00 Average: veth94964232 0.05 0.17 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 81.92 81.92 79.13 79.13 0.00 0.00 0.00 0.00 Average: docker0 38.78 56.73 2.96 323.08 0.00 0.00 0.00 0.00 Average: vethc6a61b8c 0.22 0.53 0.03 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18007) 12/05/25 _x86_64_ (8 CPU) 15:00:03 LINUX RESTART (8 CPU) 15:01:01 CPU %user %nice %system %iowait %steal %idle 15:02:01 all 35.43 0.00 7.08 5.80 0.10 51.60 15:02:01 0 36.25 0.00 7.02 3.11 0.08 53.54 15:02:01 1 35.22 0.00 6.77 2.88 0.08 55.04 15:02:01 2 34.16 0.00 7.08 4.60 0.12 54.05 15:02:01 3 36.38 0.00 7.37 10.58 0.10 45.57 15:02:01 4 35.01 0.00 7.40 5.65 0.10 51.83 15:02:01 5 34.82 0.00 6.44 2.57 0.10 56.07 15:02:01 6 35.16 0.00 7.05 7.86 0.10 49.83 15:02:01 7 36.44 0.00 7.48 9.12 0.10 46.85 15:03:01 all 42.17 0.00 5.84 1.79 0.09 50.11 15:03:01 0 38.80 0.00 5.69 0.27 0.10 55.14 15:03:01 1 40.88 0.00 6.22 7.64 0.08 45.17 15:03:01 2 42.18 0.00 5.99 0.02 0.07 51.74 15:03:01 3 41.83 0.00 5.65 0.72 0.10 51.70 15:03:01 4 40.51 0.00 5.28 0.02 0.10 54.09 15:03:01 5 43.12 0.00 5.54 0.76 0.08 50.50 15:03:01 6 42.16 0.00 6.16 1.23 0.08 50.37 15:03:01 7 47.88 0.00 6.20 3.68 0.08 42.16 15:04:01 all 7.01 0.27 3.27 4.56 0.07 84.81 15:04:01 0 5.15 0.00 3.09 2.73 0.08 88.94 15:04:01 1 8.12 1.58 3.89 17.29 0.08 69.03 15:04:01 2 9.23 0.00 3.45 5.00 0.08 82.24 15:04:01 3 5.36 0.00 3.44 0.88 0.07 90.26 15:04:01 4 6.92 0.22 2.99 1.27 0.05 88.55 15:04:01 5 7.69 0.39 4.08 4.81 0.05 82.98 15:04:01 6 7.73 0.00 2.74 3.58 0.05 85.90 15:04:01 7 5.93 0.00 2.49 0.93 0.07 90.59 15:05:01 all 7.61 0.00 2.19 1.81 0.08 88.32 15:05:01 0 5.34 0.00 1.92 0.44 0.05 92.25 15:05:01 1 9.19 0.00 4.11 1.59 0.07 85.04 15:05:01 2 9.31 0.00 1.98 2.20 0.08 86.43 15:05:01 3 5.52 0.00 1.78 0.58 0.08 92.05 15:05:01 4 3.56 0.00 1.79 5.57 0.08 88.99 15:05:01 5 7.72 0.00 1.85 2.59 0.10 87.74 15:05:01 6 15.00 0.00 2.34 1.02 0.07 81.57 15:05:01 7 5.19 0.00 1.78 0.47 0.08 92.48 Average: all 23.04 0.07 4.59 3.49 0.08 68.73 Average: 0 21.33 0.00 4.42 1.64 0.08 72.53 Average: 1 23.34 0.40 5.25 7.35 0.08 63.59 Average: 2 23.70 0.00 4.62 2.95 0.09 68.65 Average: 3 22.28 0.00 4.56 3.19 0.09 69.88 Average: 4 21.52 0.05 4.36 3.13 0.08 70.85 Average: 5 23.32 0.10 4.47 2.68 0.08 69.34 Average: 6 24.99 0.00 4.57 3.42 0.08 66.94 Average: 7 23.85 0.00 4.49 3.54 0.08 68.04