---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-18959 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 1617 23956 2 6593 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:68:fa:85 brd ff:ff:ff:ff:ff:ff inet 10.30.107.72/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fe68:fa85/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:e5:d7:54 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:c5ff:fee5:d754/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether 96:d6:50:de:40:17 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::94d6:50ff:fede:4017/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 26:44:66:16:38:8f 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::2444:66ff:fe16:388f/64 scope link valid_lft forever preferred_lft forever 8: veth262e26f9@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:4f:dd:29:38:00 brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::844f:ddff:fe29:3800/64 scope link valid_lft forever preferred_lft forever 9: veth1037ef7b@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 26:b7:c9:52:b3:79 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::24b7:c9ff:fe52:b379/64 scope link valid_lft forever preferred_lft forever 10: vethf2ce84c3@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether de:c5:de:c4:b7:ae brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::dcc5:deff:fec4:b7ae/64 scope link valid_lft forever preferred_lft forever 13: veth466c9734@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether d6:39:a5:16:4c:d1 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::d439:a5ff:fe16:4cd1/64 scope link valid_lft forever preferred_lft forever 14: vethdacebb11@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether ba:23:5b:26:e7:69 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::b823:5bff:fe26:e769/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18959) 12/09/25 _x86_64_ (8 CPU) 08:23:31 LINUX RESTART (8 CPU) 08:24:02 tps rtps wtps bread/s bwrtn/s 08:25:01 511.74 90.53 421.21 3747.52 102473.73 08:26:01 340.79 2.97 337.83 350.34 89109.82 08:27:01 194.57 3.53 191.03 474.59 111599.27 08:28:01 133.50 19.87 113.63 727.73 71927.87 08:29:01 117.79 2.50 115.29 88.37 11054.32 Average: 258.85 23.66 235.19 1068.94 77148.25 08:24:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:25:01 27536192 31073704 5403028 16.40 79352 3714296 2507280 7.61 1911720 3051776 536252 08:26:01 25338068 30590316 7601152 23.08 135872 5197832 3294740 10.00 2784116 4196104 616276 08:27:01 26109380 31024412 6829840 20.73 141092 4958780 2937672 8.92 2305584 4008576 272580 08:28:01 24930664 30877512 8008556 24.31 187224 5900136 3484884 10.58 2654016 4775892 32020 08:29:01 24511900 30793996 8427320 25.58 195272 6188696 3561728 10.81 2757424 5050848 131020 Average: 25685241 30871988 7253979 22.02 147762 5191948 3157261 9.59 2482572 4216639 317630 08:24:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:25:01 cni0 22.50 18.21 26.29 42.10 0.00 0.00 0.59 0.00 08:25:01 veth262e26f9 1.97 2.63 0.58 0.98 0.00 0.00 0.00 0.00 08:25:01 lo 209.22 209.22 225.95 225.95 0.00 0.00 0.00 0.00 08:25:01 veth1037ef7b 0.14 0.73 0.01 0.06 0.00 0.00 0.00 0.00 08:26:01 cni0 29.36 29.45 15.26 72.76 0.00 0.00 0.37 0.00 08:26:01 veth262e26f9 7.48 9.18 3.09 2.72 0.00 0.00 0.00 0.00 08:26:01 lo 52.57 52.57 68.78 68.78 0.00 0.00 0.00 0.00 08:26:01 veth1037ef7b 0.43 0.82 0.09 0.17 0.00 0.00 0.00 0.00 08:27:01 cni0 11.83 13.05 3.02 2.15 0.00 0.00 0.08 0.00 08:27:01 veth262e26f9 7.20 8.38 2.77 1.70 0.00 0.00 0.00 0.00 08:27:01 lo 16.93 16.93 4.50 4.50 0.00 0.00 0.00 0.00 08:27:01 veth1037ef7b 0.13 0.18 0.01 0.02 0.00 0.00 0.00 0.00 08:28:01 cni0 12.35 13.53 3.06 2.60 0.00 0.00 0.13 0.00 08:28:01 veth262e26f9 7.35 8.58 2.79 1.83 0.00 0.00 0.00 0.00 08:28:01 lo 42.62 42.62 16.93 16.93 0.00 0.00 0.00 0.00 08:28:01 veth1037ef7b 0.12 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:29:01 cni0 12.11 13.03 3.04 2.40 0.00 0.00 0.00 0.00 08:29:01 veth262e26f9 7.53 8.15 2.80 1.77 0.00 0.00 0.00 0.00 08:29:01 lo 21.81 21.81 6.26 6.26 0.00 0.00 0.00 0.00 08:29:01 veth1037ef7b 0.12 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: cni0 17.61 17.45 10.08 24.35 0.00 0.00 0.23 0.00 Average: veth262e26f9 6.32 7.40 2.41 1.80 0.00 0.00 0.00 0.00 Average: lo 68.17 68.17 63.95 63.95 0.00 0.00 0.00 0.00 Average: veth1037ef7b 0.19 0.41 0.02 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-18959) 12/09/25 _x86_64_ (8 CPU) 08:23:31 LINUX RESTART (8 CPU) 08:24:02 CPU %user %nice %system %iowait %steal %idle 08:25:01 all 13.86 0.71 4.46 6.78 0.07 74.12 08:25:01 0 11.36 0.00 4.25 2.20 0.07 82.12 08:25:01 1 15.77 0.00 4.42 2.65 0.07 77.09 08:25:01 2 10.39 0.00 4.44 11.47 0.07 73.63 08:25:01 3 12.37 0.00 5.29 15.48 0.07 66.80 08:25:01 4 13.93 0.00 3.73 10.46 0.09 71.80 08:25:01 5 12.01 2.04 4.47 3.48 0.07 77.93 08:25:01 6 21.06 3.68 4.67 0.77 0.07 69.75 08:25:01 7 14.04 0.00 4.37 7.68 0.07 73.83 08:26:01 all 40.66 0.00 6.15 4.67 0.10 48.41 08:26:01 0 41.55 0.00 5.75 7.13 0.08 45.48 08:26:01 1 39.10 0.00 6.30 5.04 0.12 49.44 08:26:01 2 42.99 0.00 6.41 8.51 0.10 41.98 08:26:01 3 42.17 0.00 5.98 5.71 0.08 46.06 08:26:01 4 40.61 0.00 6.41 2.30 0.10 50.57 08:26:01 5 39.19 0.00 6.76 3.25 0.12 50.68 08:26:01 6 39.23 0.00 5.77 4.20 0.10 50.70 08:26:01 7 40.42 0.00 5.82 1.27 0.10 52.40 08:27:01 all 34.84 0.20 5.94 3.82 0.08 55.12 08:27:01 0 33.54 0.00 5.47 0.05 0.07 60.87 08:27:01 1 31.76 0.91 5.54 1.83 0.08 59.88 08:27:01 2 34.40 0.64 6.38 2.17 0.08 56.32 08:27:01 3 37.07 0.00 6.76 5.65 0.08 50.43 08:27:01 4 38.14 0.00 5.84 1.75 0.07 54.20 08:27:01 5 33.31 0.00 5.93 9.22 0.08 51.46 08:27:01 6 34.15 0.00 5.68 8.91 0.10 51.16 08:27:01 7 36.40 0.00 5.97 0.96 0.08 56.59 08:28:01 all 6.75 0.00 2.76 3.25 0.07 87.17 08:28:01 0 7.54 0.00 2.18 3.57 0.07 86.64 08:28:01 1 5.22 0.00 2.23 1.51 0.08 90.96 08:28:01 2 10.05 0.00 2.55 0.37 0.07 86.96 08:28:01 3 3.50 0.00 5.35 0.60 0.07 90.48 08:28:01 4 6.72 0.00 2.55 0.13 0.07 90.53 08:28:01 5 11.13 0.00 2.62 0.99 0.08 85.17 08:28:01 6 4.65 0.00 2.05 12.40 0.07 80.83 08:28:01 7 5.18 0.00 2.51 6.51 0.07 85.74 08:29:01 all 11.50 0.00 1.20 0.83 0.06 86.41 08:29:01 0 14.62 0.00 1.09 0.92 0.05 83.33 08:29:01 1 7.59 0.00 1.14 0.27 0.05 90.96 08:29:01 2 11.22 0.00 1.64 1.47 0.08 85.58 08:29:01 3 19.86 0.00 1.86 1.89 0.08 76.31 08:29:01 4 15.19 0.00 1.42 0.72 0.08 82.58 08:29:01 5 3.87 0.00 0.87 0.47 0.07 94.72 08:29:01 6 16.93 0.00 0.97 0.43 0.03 81.64 08:29:01 7 2.75 0.00 0.60 0.50 0.02 96.13 Average: all 21.52 0.18 4.09 3.86 0.08 70.28 Average: 0 21.72 0.00 3.74 2.77 0.07 71.70 Average: 1 19.86 0.18 3.92 2.25 0.08 73.70 Average: 2 21.82 0.13 4.28 4.77 0.08 68.92 Average: 3 23.02 0.00 5.04 5.83 0.08 66.03 Average: 4 22.93 0.00 3.99 3.04 0.08 69.96 Average: 5 19.88 0.40 4.12 3.47 0.08 72.04 Average: 6 23.17 0.73 3.82 5.35 0.07 66.86 Average: 7 19.73 0.00 3.84 3.36 0.07 72.99