---> uname -a: Linux prd-ubuntu1804-docker-8c-8g-60 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: 2799.996 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/core24/1237 /dev/loop2 22M 22M 0 100% /snap/helm/491 ---> free -m: total used free shared buff/cache available Mem: 32167 1599 23964 2 6603 30110 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:90:23:34 brd ff:ff:ff:ff:ff:ff inet 10.30.106.121/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86055sec preferred_lft 86055sec inet6 fe80::f816:3eff:fe90:2334/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e1:67:0a:88 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:e1ff:fe67:a88/64 scope link valid_lft forever preferred_lft forever 4: flannel.1: mtu 1408 qdisc noqueue state UNKNOWN group default link/ether ee:5c:be:b1:64:bd 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::ec5c:beff:feb1:64bd/64 scope link valid_lft forever preferred_lft forever 5: cni0: mtu 1408 qdisc noqueue state UP group default qlen 1000 link/ether 52:96:49:7e:36:91 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::5096:49ff:fe7e:3691/64 scope link valid_lft forever preferred_lft forever 8: veth19161ba6@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether a6:a7:9d:cb:25:4a brd ff:ff:ff:ff:ff:ff link-netnsid 2 inet6 fe80::a4a7:9dff:fecb:254a/64 scope link valid_lft forever preferred_lft forever 9: vethe2f56688@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 86:2b:a2:6e:52:cf brd ff:ff:ff:ff:ff:ff link-netnsid 4 inet6 fe80::842b:a2ff:fe6e:52cf/64 scope link valid_lft forever preferred_lft forever 10: veth4d791a8e@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 56:20:0d:c4:42:12 brd ff:ff:ff:ff:ff:ff link-netnsid 3 inet6 fe80::5420:dff:fec4:4212/64 scope link valid_lft forever preferred_lft forever 13: vethe58096ee@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 36:d3:af:23:7f:66 brd ff:ff:ff:ff:ff:ff link-netnsid 6 inet6 fe80::34d3:afff:fe23:7f66/64 scope link valid_lft forever preferred_lft forever 14: vetha3c85925@if2: mtu 1408 qdisc noqueue master cni0 state UP group default link/ether 0e:a2:5a:60:ed:87 brd ff:ff:ff:ff:ff:ff link-netnsid 7 inet6 fe80::ca2:5aff:fe60:ed87/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-60) 12/18/25 _x86_64_ (8 CPU) 08:26:16 LINUX RESTART (8 CPU) 08:27:02 tps rtps wtps bread/s bwrtn/s 08:28:01 539.18 84.16 455.02 3758.01 156723.13 08:29:01 179.14 0.00 179.14 0.00 81703.97 08:30:01 179.47 3.48 175.99 472.59 93404.97 08:31:01 93.78 21.81 71.97 746.01 12997.83 Average: 246.67 27.12 219.55 1233.58 85912.30 08:27:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:28:01 26465272 30930072 6473940 19.65 132076 4453996 3093824 9.39 2286848 3611516 561724 08:29:01 24923912 30550108 8015300 24.33 138296 5557964 3882588 11.79 3271888 4109636 642956 08:30:01 25504380 30973788 7434832 22.57 143020 5485256 3247200 9.86 2368104 4525044 796 08:31:01 24722444 30788540 8216768 24.95 191660 6007816 3571616 10.84 2761648 4873348 92696 Average: 25404002 30810627 7535210 22.88 151263 5376258 3448807 10.47 2672122 4279886 324543 08:27:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:28:01 docker0 210.24 304.52 15.64 1641.91 0.00 0.00 0.00 0.00 08:28:01 veth4e6b20a 210.24 304.66 18.51 1641.92 0.00 0.00 0.00 0.13 08:28:01 vetha3c85925 4.46 3.73 0.91 2.35 0.00 0.00 0.00 0.00 08:28:01 cni0 45.57 40.52 40.33 114.77 0.00 0.00 0.88 0.00 08:29:01 docker0 5.31 7.86 0.37 18.94 0.00 0.00 0.00 0.00 08:29:01 veth4e6b20a 5.31 7.90 0.44 18.95 0.00 0.00 0.00 0.00 08:29:01 vetha3c85925 1.42 1.62 0.11 0.17 0.00 0.00 0.00 0.00 08:29:01 cni0 11.08 12.23 2.79 2.01 0.00 0.00 0.12 0.00 08:30:01 docker0 0.05 0.08 0.00 0.01 0.00 0.00 0.00 0.00 08:30:01 vetha3c85925 1.37 1.52 0.11 0.17 0.00 0.00 0.00 0.00 08:30:01 cni0 11.86 13.21 3.03 2.16 0.00 0.00 0.07 0.00 08:30:01 ens3 1235.94 795.18 18133.66 125.44 0.00 0.00 0.00 0.00 08:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 vetha3c85925 1.65 1.82 0.13 0.56 0.00 0.00 0.00 0.00 08:31:01 cni0 12.36 13.53 3.06 2.85 0.00 0.00 0.12 0.00 08:31:01 ens3 270.24 189.37 3645.60 19.09 0.00 0.00 0.00 0.00 Average: docker0 53.24 77.17 3.95 410.07 0.00 0.00 0.00 0.00 Average: vetha3c85925 2.21 2.16 0.31 0.81 0.00 0.00 0.00 0.00 Average: cni0 20.11 19.79 12.18 30.09 0.00 0.00 0.29 0.00 Average: ens3 283.98 186.39 5132.30 18.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-docker-8c-8g-60) 12/18/25 _x86_64_ (8 CPU) 08:26:16 LINUX RESTART (8 CPU) 08:27:02 CPU %user %nice %system %iowait %steal %idle 08:28:01 all 16.40 0.21 6.09 4.68 0.08 72.52 08:28:01 0 15.54 0.00 6.18 2.73 0.09 75.47 08:28:01 1 16.44 0.00 5.83 7.61 0.09 70.03 08:28:01 2 15.40 0.00 5.83 5.57 0.09 73.12 08:28:01 3 17.92 0.00 6.23 3.57 0.09 72.20 08:28:01 4 15.08 1.67 5.69 6.05 0.07 71.45 08:28:01 5 16.26 0.00 6.01 5.03 0.09 72.62 08:28:01 6 16.29 0.00 6.49 2.31 0.09 74.83 08:28:01 7 18.33 0.00 6.48 4.60 0.09 70.51 08:29:01 all 55.72 0.00 7.19 0.73 0.11 36.25 08:29:01 0 54.10 0.00 6.48 0.02 0.10 39.30 08:29:01 1 58.37 0.00 7.25 0.55 0.10 33.73 08:29:01 2 57.28 0.00 7.50 2.19 0.10 32.93 08:29:01 3 54.30 0.00 6.91 0.05 0.12 38.62 08:29:01 4 52.37 0.00 7.07 0.24 0.12 40.20 08:29:01 5 55.04 0.00 7.76 1.80 0.12 35.28 08:29:01 6 59.34 0.00 7.66 0.93 0.12 31.96 08:29:01 7 54.93 0.00 6.90 0.12 0.12 37.93 08:30:01 all 22.08 0.23 5.16 1.55 0.08 70.89 08:30:01 0 22.37 0.00 5.14 0.30 0.08 72.10 08:30:01 1 20.19 0.00 5.12 5.36 0.08 69.25 08:30:01 2 21.02 0.00 5.04 1.86 0.10 71.98 08:30:01 3 25.44 0.00 5.75 2.55 0.07 66.19 08:30:01 4 22.49 0.00 5.17 0.30 0.08 71.96 08:30:01 5 22.75 0.50 5.02 0.24 0.07 71.42 08:30:01 6 22.10 0.00 5.43 0.20 0.08 72.18 08:30:01 7 20.30 1.28 4.61 1.65 0.07 72.09 08:31:01 all 7.15 0.00 2.31 0.60 0.08 89.86 08:31:01 0 7.17 0.00 1.88 1.24 0.10 89.61 08:31:01 1 12.11 0.00 2.89 0.20 0.07 84.74 08:31:01 2 9.75 0.00 3.09 0.62 0.08 86.45 08:31:01 3 3.83 0.00 2.19 0.17 0.10 93.71 08:31:01 4 5.65 0.00 1.80 0.18 0.07 92.30 08:31:01 5 6.77 0.00 3.08 0.92 0.08 89.14 08:31:01 6 6.37 0.00 1.88 0.89 0.08 90.78 08:31:01 7 5.51 0.00 1.66 0.62 0.08 92.13 Average: all 25.35 0.11 5.18 1.88 0.09 67.40 Average: 0 24.80 0.00 4.91 1.07 0.09 69.13 Average: 1 26.80 0.00 5.26 3.40 0.08 64.44 Average: 2 25.89 0.00 5.36 2.54 0.09 66.12 Average: 3 25.38 0.00 5.26 1.57 0.09 67.69 Average: 4 23.91 0.41 4.92 1.67 0.08 69.01 Average: 5 25.22 0.13 5.46 1.98 0.09 67.13 Average: 6 26.04 0.00 5.36 1.08 0.09 67.43 Average: 7 24.76 0.32 4.90 1.73 0.09 68.21