---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-1479 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 49M 49M 0 100% /snap/snapd/25935 /dev/loop1 67M 67M 0 100% /snap/core24/1349 /dev/loop2 21M 21M 0 100% /snap/helm/500 ---> free -m: total used free shared buff/cache available Mem: 32167 1617 23953 2 6595 30092 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:96:60:e2 brd ff:ff:ff:ff:ff:ff inet 10.30.106.163/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fe96:60e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b6:c2:a5:37 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:b6ff:fec2:a537/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether b2:d3:f7:31:7f:3f 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::b0d3:f7ff:fe31:7f3f/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 2a:18:2d:df:5a:b6 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::2818:2dff:fedf:5ab6/64 scope link valid_lft forever preferred_lft forever 6: vethd990ce26@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ca:06:f7:17:95:c0 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet6 fe80::c806:f7ff:fe17:95c0/64 scope link valid_lft forever preferred_lft forever 10: vethbdc86657@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ae:d3:0b:7d:03:62 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::acd3:bff:fe7d:362/64 scope link valid_lft forever preferred_lft forever 12: vetha441bf77@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 7a:af:69:f8:51:68 brd ff:ff:ff:ff:ff:ff link-netnsid 5 inet6 fe80::78af:69ff:fef8:5168/64 scope link valid_lft forever preferred_lft forever 13: vethe3214582@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether f2:82:f5:66:b5:0c brd ff:ff:ff:ff:ff:ff link-netnsid 1 inet6 fe80::f082:f5ff:fe66:b50c/64 scope link valid_lft forever preferred_lft forever 14: vetha0495601@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:1b:50:70:35:1b brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::b81b:50ff:fe70:351b/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-1479) 03/12/26 _x86_64_ (8 CPU) 15:23:53 LINUX RESTART (8 CPU) 15:24:01 tps rtps wtps bread/s bwrtn/s 15:25:01 472.27 132.59 339.68 7946.54 155502.75 15:26:01 507.28 4.67 502.62 442.73 135402.37 15:27:01 124.25 3.27 120.98 444.99 49951.41 15:28:01 185.72 19.83 165.89 754.94 75282.79 15:29:01 133.06 2.73 130.33 94.65 11291.72 Average: 284.52 32.62 251.90 1936.77 85486.21 15:24:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:25:01 29490668 31432372 3448544 10.47 50292 2196980 1854580 5.63 1499660 1634364 8356 15:26:01 25253736 30782556 7685476 23.33 134048 5471972 3209672 9.74 2918136 4136624 1194988 15:27:01 26409140 31013712 6530072 19.82 135780 4676148 2798240 8.50 2277024 3760464 460936 15:28:01 24814016 30727696 8125196 24.67 184568 5876772 3680876 11.17 2797160 4753116 5648 15:29:01 24550164 30827336 8389048 25.47 196832 6186388 3542708 10.76 2729128 5044428 116236 Average: 26103545 30956734 6835667 20.75 140304 4881652 3017215 9.16 2444222 3865799 357233 15:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:25:01 lo 103.67 103.67 43.01 43.01 0.00 0.00 0.00 0.00 15:25:01 ens3 501.33 319.43 2574.55 76.87 0.00 0.00 0.00 0.00 15:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 lo 154.51 154.51 277.77 277.77 0.00 0.00 0.00 0.00 15:26:01 vethd990ce26 2.65 3.85 0.33 0.77 0.00 0.00 0.00 0.00 15:26:01 vethbdc86657 6.53 8.42 2.55 3.06 0.00 0.00 0.00 0.00 15:26:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 lo 14.53 14.53 4.47 4.47 0.00 0.00 0.00 0.00 15:27:01 vethd990ce26 2.95 3.18 0.27 0.28 0.00 0.00 0.00 0.00 15:27:01 vethbdc86657 6.90 8.10 2.63 1.64 0.00 0.00 0.00 0.00 15:27:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 lo 46.16 46.16 18.68 18.68 0.00 0.00 0.00 0.00 15:28:01 vethd990ce26 3.12 3.57 0.29 0.40 0.00 0.00 0.00 0.00 15:28:01 vethbdc86657 7.47 8.95 2.80 2.00 0.00 0.00 0.00 0.00 15:28:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 lo 21.40 21.40 5.55 5.55 0.00 0.00 0.00 0.00 15:29:01 vethd990ce26 3.03 3.28 0.28 0.28 0.00 0.00 0.00 0.00 15:29:01 vethbdc86657 7.33 8.48 2.79 1.72 0.00 0.00 0.00 0.00 15:29:01 flannel.1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 68.05 68.05 69.89 69.89 0.00 0.00 0.00 0.00 Average: vethd990ce26 2.35 2.78 0.23 0.35 0.00 0.00 0.00 0.00 Average: vethbdc86657 5.65 6.79 2.15 1.68 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-1479) 03/12/26 _x86_64_ (8 CPU) 15:23:53 LINUX RESTART (8 CPU) 15:24:01 CPU %user %nice %system %iowait %steal %idle 15:25:01 all 9.22 0.61 2.30 2.26 0.05 85.57 15:25:01 0 7.60 0.00 1.84 5.84 0.05 84.67 15:25:01 1 9.03 0.00 2.33 0.87 0.07 87.71 15:25:01 2 8.97 3.24 2.37 0.72 0.05 84.65 15:25:01 3 7.43 0.00 1.70 2.18 0.05 88.64 15:25:01 4 8.31 0.00 2.88 4.38 0.05 84.38 15:25:01 5 7.91 0.00 2.52 0.90 0.05 88.61 15:25:01 6 15.54 1.59 2.53 2.49 0.07 77.79 15:25:01 7 8.92 0.00 2.24 0.70 0.05 88.08 15:26:01 all 45.47 0.00 8.68 3.37 0.14 42.33 15:26:01 0 44.02 0.00 8.22 2.25 0.12 45.39 15:26:01 1 46.94 0.00 7.85 2.17 0.12 42.92 15:26:01 2 45.94 0.00 9.05 3.69 0.15 41.16 15:26:01 3 47.12 0.00 7.66 3.75 0.15 41.32 15:26:01 4 44.46 0.00 9.03 2.15 0.14 44.22 15:26:01 5 46.54 0.00 10.31 7.15 0.15 35.85 15:26:01 6 45.19 0.00 8.32 3.24 0.15 43.10 15:26:01 7 43.63 0.00 9.00 2.56 0.14 44.68 15:27:01 all 39.63 0.31 6.24 0.57 0.10 53.15 15:27:01 0 37.99 0.00 6.24 1.90 0.08 53.78 15:27:01 1 43.78 0.00 7.59 0.10 0.10 48.43 15:27:01 2 37.91 0.08 5.93 0.17 0.12 55.79 15:27:01 3 43.01 2.34 5.78 0.05 0.08 48.74 15:27:01 4 43.02 0.02 6.22 0.02 0.12 50.61 15:27:01 5 36.35 0.00 6.13 0.02 0.08 57.41 15:27:01 6 37.96 0.07 5.89 1.13 0.12 54.83 15:27:01 7 37.00 0.00 6.13 1.18 0.08 55.60 15:28:01 all 7.96 0.00 4.29 1.05 0.08 86.63 15:28:01 0 9.48 0.00 4.44 2.19 0.07 83.83 15:28:01 1 7.84 0.00 4.10 1.37 0.07 86.63 15:28:01 2 6.64 0.00 3.61 0.12 0.07 89.56 15:28:01 3 9.77 0.00 4.98 0.12 0.07 85.07 15:28:01 4 7.24 0.00 5.03 0.37 0.07 87.30 15:28:01 5 8.24 0.00 3.82 2.73 0.08 85.13 15:28:01 6 8.90 0.00 4.50 1.21 0.10 85.29 15:28:01 7 5.60 0.00 3.82 0.27 0.10 90.20 15:29:01 all 11.81 0.00 1.35 0.54 0.07 86.23 15:29:01 0 11.80 0.00 1.15 0.35 0.08 86.61 15:29:01 1 20.20 0.00 1.67 0.67 0.05 77.41 15:29:01 2 5.65 0.00 0.97 0.10 0.07 93.21 15:29:01 3 7.86 0.00 1.24 0.27 0.07 90.57 15:29:01 4 18.60 0.00 1.84 1.02 0.08 78.46 15:29:01 5 3.20 0.00 1.04 1.06 0.07 94.63 15:29:01 6 19.78 0.00 1.76 0.45 0.07 77.94 15:29:01 7 7.31 0.00 1.15 0.42 0.08 91.03 Average: all 22.76 0.18 4.56 1.55 0.09 70.85 Average: 0 22.15 0.00 4.37 2.51 0.08 70.90 Average: 1 25.50 0.00 4.69 1.03 0.08 68.69 Average: 2 20.92 0.67 4.37 0.95 0.09 73.00 Average: 3 22.97 0.47 4.26 1.27 0.08 70.95 Average: 4 24.29 0.00 4.99 1.59 0.09 69.04 Average: 5 20.38 0.00 4.75 2.36 0.09 72.42 Average: 6 25.42 0.33 4.59 1.70 0.10 67.85 Average: 7 20.44 0.00 4.46 1.02 0.09 73.98