---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-17947 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 1634 24060 2 6471 30075 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:db:70:13 brd ff:ff:ff:ff:ff:ff inet 10.30.107.29/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fedb:7013/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:62:6f:05:1d 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::42:62ff:fe6f:51d/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether c2:ce:31:a3:51:3c 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::c0ce:31ff:fea3:513c/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 3e:26:fd:d5:b1:1c 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::3c26:fdff:fed5:b11c/64 scope link valid_lft forever preferred_lft forever 6: vethcf7259a9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:55:bb:88:1a:af brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::8455:bbff:fe88:1aaf/64 scope link valid_lft forever preferred_lft forever 7: vethad6261b7@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether be:19:23:f6:2e:bb brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::bc19:23ff:fef6:2ebb/64 scope link valid_lft forever preferred_lft forever 8: veth956c1b9c@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether da:86:97:3e:26:eb brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::d886:97ff:fe3e:26eb/64 scope link valid_lft forever preferred_lft forever 13: vethe8ae027a@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 56:f5:4d:0c:5e:c4 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::54f5:4dff:fe0c:5ec4/64 scope link valid_lft forever preferred_lft forever 14: vethbda6621b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 36:bc:dd:c0:ad:ce brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::34bc:ddff:fec0:adce/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-17947) 12/05/25 _x86_64_ (8 CPU) 10:40:00 LINUX RESTART (8 CPU) 10:41:02 tps rtps wtps bread/s bwrtn/s 10:42:01 490.22 42.75 447.48 2297.53 168779.53 10:43:01 90.55 0.00 90.55 0.00 38906.05 10:44:01 160.62 4.33 156.29 494.05 90611.16 10:45:01 107.67 21.26 86.40 761.34 12514.05 Average: 211.11 16.98 194.14 882.39 77325.51 10:41:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:42:01 26119508 30799648 6819712 20.70 132060 4606452 3950988 11.99 2569768 3655880 539540 10:43:01 25445724 30931392 7493496 22.75 135236 5399440 3086148 9.37 2848984 4018360 647204 10:44:01 25451132 30884724 7488088 22.73 150836 5443808 3688228 11.20 2480648 4456072 1844 10:45:01 24794224 30814376 8144996 24.73 189076 5955172 3598836 10.93 2730292 4820576 163172 Average: 25452647 30857535 7486573 22.73 151802 5351218 3581050 10.87 2657423 4237722 337940 10:41:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:42:01 vethe8ae027a 0.15 0.42 0.01 0.03 0.00 0.00 0.00 0.00 10:42:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:42:01 veth27b8c51 126.08 177.52 11.94 1274.67 0.00 0.00 0.00 0.10 10:42:01 vethcf7259a9 6.98 8.95 2.67 3.03 0.00 0.00 0.00 0.00 10:43:01 vethe8ae027a 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 10:43:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:43:01 veth27b8c51 0.47 0.60 0.04 0.65 0.00 0.00 0.00 0.00 10:43:01 vethcf7259a9 6.82 8.13 2.63 1.71 0.00 0.00 0.00 0.00 10:44:01 vethe8ae027a 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:44:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:44:01 vethcf7259a9 7.23 8.45 2.78 1.71 0.00 0.00 0.00 0.00 10:44:01 cni0 69.39 69.32 45.80 117.64 0.00 0.00 1.03 0.00 10:45:01 vethe8ae027a 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 10:45:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:45:01 vethcf7259a9 7.40 8.82 2.80 1.93 0.00 0.00 0.00 0.00 10:45:01 cni0 12.41 13.85 3.07 2.88 0.00 0.00 0.10 0.00 Average: vethe8ae027a 0.05 0.18 0.00 0.01 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 Average: vethcf7259a9 7.11 8.58 2.72 2.09 0.00 0.00 0.00 0.00 Average: cni0 20.54 20.88 12.27 30.25 0.00 0.00 0.28 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-17947) 12/05/25 _x86_64_ (8 CPU) 10:40:00 LINUX RESTART (8 CPU) 10:41:02 CPU %user %nice %system %iowait %steal %idle 10:42:01 all 32.01 0.00 7.42 6.29 0.08 54.20 10:42:01 0 31.79 0.00 7.08 2.63 0.09 58.41 10:42:01 1 32.07 0.00 7.99 4.78 0.09 55.07 10:42:01 2 30.98 0.00 7.01 4.52 0.09 57.41 10:42:01 3 33.96 0.00 8.01 14.83 0.09 43.11 10:42:01 4 31.80 0.00 7.13 7.92 0.09 53.07 10:42:01 5 30.45 0.00 7.48 3.66 0.09 58.33 10:42:01 6 32.81 0.00 7.36 7.81 0.07 51.95 10:42:01 7 32.20 0.00 7.39 4.10 0.09 56.22 10:43:01 all 48.53 0.00 6.38 0.65 0.08 44.37 10:43:01 0 47.66 0.00 6.15 0.00 0.08 46.10 10:43:01 1 48.56 0.00 6.03 0.00 0.08 45.32 10:43:01 2 48.52 0.00 7.07 1.06 0.08 43.27 10:43:01 3 46.50 0.00 6.06 0.81 0.07 46.57 10:43:01 4 48.93 0.00 6.80 0.79 0.07 43.41 10:43:01 5 47.80 0.00 6.03 0.97 0.08 45.12 10:43:01 6 49.24 0.00 6.21 0.62 0.08 43.84 10:43:01 7 51.01 0.00 6.63 0.98 0.08 41.31 10:44:01 all 8.76 0.23 3.88 2.40 0.07 84.66 10:44:01 0 8.06 0.00 2.94 1.20 0.07 87.72 10:44:01 1 9.68 0.00 3.33 1.93 0.05 85.01 10:44:01 2 8.86 0.00 3.66 1.08 0.07 86.33 10:44:01 3 9.39 0.00 4.26 2.29 0.07 84.00 10:44:01 4 5.88 1.84 3.62 6.26 0.05 82.35 10:44:01 5 9.64 0.00 3.75 0.08 0.08 86.45 10:44:01 6 10.08 0.00 4.67 4.06 0.08 81.10 10:44:01 7 8.53 0.00 4.84 2.34 0.07 84.22 10:45:01 all 9.13 0.00 2.04 0.67 0.08 88.08 10:45:01 0 10.22 0.00 1.97 0.72 0.05 87.04 10:45:01 1 11.94 0.00 2.03 0.18 0.08 85.76 10:45:01 2 6.63 0.00 2.08 0.13 0.08 91.08 10:45:01 3 3.94 0.00 2.14 2.83 0.07 91.02 10:45:01 4 22.44 0.00 3.22 0.67 0.08 73.58 10:45:01 5 8.79 0.00 1.64 0.18 0.08 89.30 10:45:01 6 4.03 0.00 1.54 0.44 0.07 93.92 10:45:01 7 5.07 0.00 1.69 0.15 0.07 93.02 Average: all 24.57 0.06 4.91 2.48 0.08 67.91 Average: 0 24.38 0.00 4.52 1.13 0.07 69.90 Average: 1 25.52 0.00 4.82 1.70 0.08 67.88 Average: 2 23.72 0.00 4.94 1.68 0.08 69.58 Average: 3 23.36 0.00 5.10 5.13 0.07 66.34 Average: 4 27.25 0.46 5.18 3.89 0.07 63.15 Average: 5 24.16 0.00 4.71 1.21 0.08 69.83 Average: 6 24.00 0.00 4.93 3.20 0.08 67.79 Average: 7 24.14 0.00 5.12 1.88 0.08 68.78