---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-19088 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 1585 23983 2 6598 30125 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:9f:df:fa brd ff:ff:ff:ff:ff:ff inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe9f:dffa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:68:f6:f4:ae 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::42:68ff:fef6:f4ae/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether a2:f0:9d:c8:f0:9e 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::a0f0:9dff:fec8:f09e/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 16:e0:1d:aa:c5:55 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::34b7:5ff:fee2:e88a/64 scope link valid_lft forever preferred_lft forever 6: vethedad0c77@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 16:e0:1d:aa:c5:55 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::14e0:1dff:feaa:c555/64 scope link valid_lft forever preferred_lft forever 7: vethb1fba1c4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f2:fe:82:dd:c8:d4 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::f0fe:82ff:fedd:c8d4/64 scope link valid_lft forever preferred_lft forever 8: veth12f9c5f4@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 92:24:a3:bd:42:71 brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::9024:a3ff:febd:4271/64 scope link valid_lft forever preferred_lft forever 13: vethbf0abe25@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether a6:ef:e2:5c:0c:da brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::a4ef:e2ff:fe5c:cda/64 scope link valid_lft forever preferred_lft forever 14: veth0a178f58@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 52:c3:e8:82:21:09 brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::50c3:e8ff:fe82:2109/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19088) 12/09/25 _x86_64_ (8 CPU) 15:31:53 LINUX RESTART (8 CPU) 15:32:01 tps rtps wtps bread/s bwrtn/s 15:33:01 249.53 133.03 116.50 7974.14 119562.61 15:34:01 502.05 3.63 498.42 397.53 141495.88 15:35:01 145.83 3.10 142.73 428.33 81238.73 15:36:01 132.59 2.05 130.54 81.32 69801.17 15:37:01 104.88 20.56 84.32 755.21 12327.95 Average: 226.98 32.47 194.50 1927.31 84885.27 15:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:33:01 29488624 31449020 3450596 10.48 50420 2215896 1823632 5.54 1475168 1657396 25460 15:34:01 25504252 30945700 7434968 22.57 135532 5384036 3124644 9.49 2753768 4054892 957704 15:35:01 26885704 31073184 6053516 18.38 137004 4259076 2616564 7.94 2098592 3468316 92656 15:36:01 25355996 30932260 7583224 23.02 154148 5576748 3742016 11.36 2524464 4499708 8816 15:37:01 24724572 30875212 8214648 24.94 191444 6077808 3586028 10.89 2669944 4942812 162908 Average: 26391830 31055075 6547390 19.88 133710 4702713 2978577 9.04 2304387 3724625 249509 15:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:33:01 ens3 448.96 342.26 2920.91 70.78 0.00 0.00 0.00 0.00 15:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 lo 96.10 96.10 40.67 40.67 0.00 0.00 0.00 0.00 15:34:01 vethbf0abe25 0.15 0.43 0.01 0.03 0.00 0.00 0.00 0.00 15:34:01 veth88fe04a 126.58 184.07 12.45 1567.57 0.00 0.00 0.00 0.13 15:34:01 veth12f9c5f4 3.15 4.22 0.38 0.83 0.00 0.00 0.00 0.00 15:34:01 vethb1fba1c4 7.68 9.80 2.99 3.27 0.00 0.00 0.00 0.00 15:35:01 vethbf0abe25 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:35:01 veth12f9c5f4 3.00 3.10 0.28 0.27 0.00 0.00 0.00 0.00 15:35:01 vethb1fba1c4 7.02 8.28 2.70 1.67 0.00 0.00 0.00 0.00 15:35:01 cni0 60.44 57.17 43.32 115.73 0.00 0.00 0.98 0.00 15:36:01 vethbf0abe25 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 15:36:01 veth12f9c5f4 3.03 3.35 0.28 0.29 0.00 0.00 0.00 0.00 15:36:01 vethb1fba1c4 7.28 8.48 2.78 1.71 0.00 0.00 0.00 0.00 15:36:01 cni0 11.86 13.26 3.02 2.16 0.00 0.00 0.08 0.00 15:37:01 vethbf0abe25 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 15:37:01 veth12f9c5f4 3.15 3.45 0.29 0.40 0.00 0.00 0.00 0.00 15:37:01 vethb1fba1c4 7.40 8.78 2.80 1.93 0.00 0.00 0.00 0.00 15:37:01 cni0 12.41 13.88 3.06 2.88 0.00 0.00 0.10 0.00 Average: vethbf0abe25 0.04 0.14 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth12f9c5f4 2.47 2.82 0.25 0.36 0.00 0.00 0.00 0.00 Average: vethb1fba1c4 5.88 7.07 2.25 1.71 0.00 0.00 0.00 0.00 Average: cni0 16.94 16.86 9.88 24.15 0.00 0.00 0.23 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-19088) 12/09/25 _x86_64_ (8 CPU) 15:31:53 LINUX RESTART (8 CPU) 15:32:01 CPU %user %nice %system %iowait %steal %idle 15:33:01 all 8.13 0.66 2.21 4.08 0.05 84.87 15:33:01 0 13.38 0.00 2.51 6.21 0.05 77.85 15:33:01 1 6.97 0.00 1.95 0.98 0.05 90.05 15:33:01 2 8.39 0.00 2.01 4.03 0.07 85.50 15:33:01 3 7.02 1.98 2.23 0.67 0.05 88.05 15:33:01 4 9.25 0.00 3.30 0.70 0.03 86.71 15:33:01 5 7.15 0.00 1.94 4.77 0.03 86.11 15:33:01 6 7.89 0.00 2.09 5.97 0.05 84.00 15:33:01 7 4.99 3.25 1.67 9.34 0.05 80.70 15:34:01 all 41.45 0.00 7.58 6.66 0.12 44.19 15:34:01 0 42.08 0.00 7.43 3.23 0.14 47.12 15:34:01 1 42.56 0.00 7.83 8.51 0.12 40.99 15:34:01 2 41.97 0.00 7.63 3.32 0.14 46.96 15:34:01 3 38.01 0.00 6.57 7.40 0.14 47.88 15:34:01 4 42.21 0.00 8.18 11.49 0.14 37.98 15:34:01 5 38.15 0.00 7.70 7.31 0.12 46.72 15:34:01 6 43.35 0.00 7.28 3.88 0.10 45.39 15:34:01 7 43.21 0.00 8.04 8.12 0.14 40.49 15:35:01 all 41.16 0.00 6.55 3.13 0.09 49.06 15:35:01 0 51.92 0.00 7.50 0.35 0.08 40.14 15:35:01 1 40.17 0.00 5.77 0.02 0.08 53.95 15:35:01 2 39.12 0.00 6.19 2.32 0.08 52.28 15:35:01 3 38.39 0.00 5.58 15.50 0.08 40.44 15:35:01 4 39.95 0.00 6.51 1.75 0.10 51.70 15:35:01 5 36.79 0.00 6.32 0.00 0.10 56.79 15:35:01 6 38.45 0.00 7.37 4.95 0.10 49.13 15:35:01 7 44.57 0.00 7.08 0.17 0.12 48.06 15:36:01 all 6.17 0.21 3.10 3.54 0.08 86.91 15:36:01 0 4.59 0.00 4.86 10.18 0.05 80.32 15:36:01 1 5.22 0.00 3.77 0.61 0.07 90.34 15:36:01 2 6.74 0.00 2.51 1.42 0.07 89.27 15:36:01 3 5.33 1.65 2.92 7.09 0.08 82.92 15:36:01 4 6.93 0.00 2.49 5.92 0.08 84.58 15:36:01 5 7.37 0.00 3.18 1.08 0.08 88.30 15:36:01 6 6.75 0.00 2.27 0.45 0.10 90.42 15:36:01 7 6.39 0.00 2.76 1.60 0.07 89.18 15:37:01 all 8.49 0.00 1.73 1.72 0.08 87.98 15:37:01 0 18.47 0.00 2.28 1.69 0.08 77.48 15:37:01 1 6.21 0.00 2.85 7.34 0.07 83.54 15:37:01 2 4.50 0.00 1.21 0.32 0.08 93.88 15:37:01 3 6.04 0.00 1.59 0.67 0.13 91.56 15:37:01 4 4.02 0.00 1.22 0.69 0.05 94.02 15:37:01 5 11.66 0.00 1.31 1.48 0.07 85.48 15:37:01 6 3.35 0.00 1.55 0.81 0.08 94.21 15:37:01 7 13.62 0.00 1.89 0.77 0.10 83.61 Average: all 21.03 0.17 4.23 3.82 0.09 70.66 Average: 0 26.04 0.00 4.90 4.34 0.08 64.64 Average: 1 20.18 0.00 4.42 3.48 0.08 71.84 Average: 2 20.11 0.00 3.91 2.28 0.09 73.61 Average: 3 18.91 0.73 3.77 6.25 0.10 70.24 Average: 4 20.42 0.00 4.33 4.09 0.08 71.08 Average: 5 20.15 0.00 4.08 2.92 0.08 72.77 Average: 6 19.95 0.00 4.11 3.22 0.09 72.64 Average: 7 22.49 0.65 4.28 4.00 0.09 68.48