---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18443 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 1642 24026 2 6497 30067 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:38:cd:f1 brd ff:ff:ff:ff:ff:ff inet 10.30.106.147/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:fe38:cdf1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:66:30:d7:18 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::42:66ff:fe30:d718/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether f2:39:16:29:38:e8 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::f039:16ff:fe29:38e8/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 32:44:d0:13:06:63 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::3044:d0ff:fe13:663/64 scope link valid_lft forever preferred_lft forever 8: veth49e29677@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 36:31:47:ae:f9:ad brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::3431:47ff:feae:f9ad/64 scope link valid_lft forever preferred_lft forever 9: vethe7637927@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 2e:4c:99:99:cf:09 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::2c4c:99ff:fe99:cf09/64 scope link valid_lft forever preferred_lft forever 10: veth82b9523e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 8a:15:42:49:c2:29 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::8815:42ff:fe49:c229/64 scope link valid_lft forever preferred_lft forever 13: veth34b7b165@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 82:31:8b:31:c4:63 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::8031:8bff:fe31:c463/64 scope link valid_lft forever preferred_lft forever 14: vethddabb93b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether fe:6d:09:59:d2:15 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::fc6d:9ff:fe59:d215/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18443) 12/07/25 _x86_64_ (8 CPU) 09:24:23 LINUX RESTART (8 CPU) 09:25:01 tps rtps wtps bread/s bwrtn/s 09:26:01 606.73 93.77 512.96 4031.33 173865.56 09:27:01 176.22 0.00 176.22 0.00 80962.11 09:28:01 146.17 3.52 142.65 483.84 77502.43 09:29:01 103.27 21.88 81.39 755.47 31413.03 09:30:01 120.68 1.05 119.63 71.59 10487.32 Average: 230.61 24.04 206.57 1068.43 74846.18 09:25:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:26:01 26821164 31021260 6118056 18.57 121720 4209976 2934996 8.91 2087980 3468496 480744 09:27:01 25869712 30817984 7069508 21.46 131072 4903656 3792344 11.51 2712732 3745436 359268 09:28:01 25720604 31071900 7218616 21.91 135424 5380676 2784132 8.45 2258488 4423636 573908 09:29:01 24925988 30805996 8013232 24.33 183332 5836244 3593488 10.91 2730832 4701080 55036 09:30:01 24593684 30776004 8345536 25.34 190756 6098104 3575752 10.86 2775196 4955372 129744 Average: 25586230 30898629 7352990 22.32 152461 5285731 3336142 10.13 2513046 4258804 319740 09:25:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:26:01 veth34b7b165 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 09:26:01 veth8436396 141.58 221.30 12.88 1292.23 0.00 0.00 0.00 0.11 09:26:01 vethddabb93b 4.02 3.28 0.86 2.10 0.00 0.00 0.00 0.00 09:26:01 lo 235.29 235.29 279.80 279.80 0.00 0.00 0.00 0.00 09:27:01 veth34b7b165 0.03 0.17 0.00 0.01 0.00 0.00 0.00 0.00 09:27:01 veth8436396 7.37 11.23 0.74 1.80 0.00 0.00 0.00 0.00 09:27:01 vethddabb93b 1.55 1.88 0.13 0.44 0.00 0.00 0.00 0.00 09:27:01 lo 23.60 23.60 11.04 11.04 0.00 0.00 0.00 0.00 09:28:01 veth34b7b165 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 09:28:01 vethddabb93b 1.38 1.57 0.11 0.17 0.00 0.00 0.00 0.00 09:28:01 lo 17.23 17.23 4.56 4.56 0.00 0.00 0.00 0.00 09:28:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 veth34b7b165 0.02 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:29:01 vethddabb93b 1.55 1.83 0.12 0.57 0.00 0.00 0.00 0.00 09:29:01 lo 44.21 44.21 17.85 17.85 0.00 0.00 0.00 0.00 09:29:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 veth34b7b165 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 vethddabb93b 1.38 1.43 0.11 0.16 0.00 0.00 0.00 0.00 09:30:01 lo 20.71 20.71 5.22 5.22 0.00 0.00 0.00 0.00 09:30:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth34b7b165 0.04 0.15 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethddabb93b 1.98 2.00 0.27 0.69 0.00 0.00 0.00 0.00 Average: lo 68.21 68.21 63.69 63.69 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18443) 12/07/25 _x86_64_ (8 CPU) 09:24:23 LINUX RESTART (8 CPU) 09:25:01 CPU %user %nice %system %iowait %steal %idle 09:26:01 all 17.72 0.65 6.09 4.14 0.07 71.33 09:26:01 0 19.40 0.00 5.90 1.73 0.05 72.93 09:26:01 1 20.52 3.21 6.12 1.98 0.07 68.10 09:26:01 2 14.37 0.03 5.87 2.66 0.07 77.00 09:26:01 3 15.34 1.99 5.92 2.18 0.08 74.48 09:26:01 4 15.73 0.00 6.71 7.76 0.08 69.71 09:26:01 5 19.58 0.00 5.90 2.81 0.08 71.62 09:26:01 6 15.25 0.00 5.75 9.93 0.07 69.00 09:26:01 7 21.62 0.00 6.54 4.03 0.07 67.73 09:27:01 all 43.44 0.00 5.41 0.86 0.08 50.21 09:27:01 0 43.99 0.00 5.46 1.07 0.08 49.40 09:27:01 1 39.46 0.00 5.02 0.84 0.07 54.61 09:27:01 2 44.73 0.00 5.87 0.32 0.08 48.99 09:27:01 3 43.58 0.00 5.99 3.77 0.08 46.57 09:27:01 4 40.29 0.00 4.91 0.02 0.07 54.72 09:27:01 5 44.86 0.00 5.54 0.03 0.07 49.50 09:27:01 6 46.55 0.00 5.01 0.79 0.05 47.60 09:27:01 7 44.08 0.00 5.45 0.05 0.07 50.35 09:28:01 all 34.76 0.22 7.12 1.22 0.07 56.61 09:28:01 0 32.81 0.00 6.16 0.98 0.07 59.99 09:28:01 1 33.65 0.32 6.36 0.88 0.07 58.72 09:28:01 2 36.83 1.40 6.84 1.81 0.05 53.07 09:28:01 3 32.59 0.00 6.88 3.79 0.07 56.67 09:28:01 4 32.87 0.00 8.22 0.15 0.08 58.68 09:28:01 5 36.06 0.00 8.40 0.32 0.07 55.15 09:28:01 6 38.50 0.00 7.91 1.52 0.08 51.99 09:28:01 7 34.76 0.00 6.23 0.37 0.07 58.57 09:29:01 all 6.64 0.00 2.53 0.89 0.08 89.87 09:29:01 0 10.36 0.00 2.73 0.40 0.08 86.42 09:29:01 1 3.50 0.00 2.03 0.62 0.08 93.76 09:29:01 2 6.99 0.00 1.99 0.15 0.08 90.79 09:29:01 3 5.09 0.00 3.09 0.45 0.07 91.30 09:29:01 4 9.31 0.00 2.69 1.78 0.07 86.16 09:29:01 5 5.56 0.00 1.91 0.18 0.07 92.27 09:29:01 6 5.29 0.00 1.99 1.45 0.08 91.18 09:29:01 7 6.95 0.00 3.81 2.05 0.08 87.11 09:30:01 all 11.73 0.00 1.33 0.53 0.07 86.34 09:30:01 0 24.36 0.00 1.64 0.27 0.07 73.66 09:30:01 1 8.97 0.00 1.40 1.17 0.07 88.39 09:30:01 2 21.55 0.00 2.24 0.62 0.07 75.52 09:30:01 3 7.87 0.00 1.27 0.03 0.07 90.75 09:30:01 4 7.90 0.00 0.89 0.91 0.08 90.22 09:30:01 5 3.21 0.00 0.94 0.10 0.05 95.71 09:30:01 6 3.60 0.00 0.88 0.03 0.10 95.39 09:30:01 7 16.31 0.00 1.37 1.09 0.07 81.17 Average: all 22.84 0.17 4.49 1.53 0.07 70.90 Average: 0 26.17 0.00 4.37 0.89 0.07 68.49 Average: 1 21.19 0.71 4.18 1.10 0.07 72.75 Average: 2 24.88 0.29 4.56 1.11 0.07 69.09 Average: 3 20.85 0.40 4.62 2.04 0.07 72.01 Average: 4 21.21 0.00 4.68 2.12 0.08 71.91 Average: 5 21.81 0.00 4.53 0.69 0.07 72.90 Average: 6 21.84 0.00 4.30 2.74 0.08 71.04 Average: 7 24.74 0.00 4.67 1.51 0.07 69.00