---> uname -a: Linux prd-centos8-docker-4c-4g-2791.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 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): 0-3 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 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 wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1005 10767 20 3988 14405 Swap: 1023 0 1023 ---> 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: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b6:f9:df brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85890sec preferred_lft 85890sec inet6 fe80::f816:3eff:feb6:f9df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4b:d5:a0:f7 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::42:4bff:fed5:a0f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/12/2026 _x86_64_ (4 CPU) 09:18:33 LINUX RESTART (4 CPU) 09:19:01 AM tps rtps wtps bread/s bwrtn/s 09:20:01 AM 328.84 122.83 206.01 13940.30 40073.99 09:21:01 AM 104.28 0.60 103.68 144.35 9841.29 09:22:01 AM 198.68 22.05 176.64 3855.76 10011.51 09:23:01 AM 44.76 0.40 44.36 390.60 6131.48 09:24:01 AM 66.06 1.18 64.88 39.72 12747.15 09:25:01 AM 473.46 0.73 472.73 101.43 36148.60 09:26:01 AM 223.01 94.75 128.26 1719.45 3516.90 09:27:01 AM 69.64 28.09 41.55 565.01 1877.91 Average: 188.59 33.83 154.76 2594.52 15043.76 09:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:01 AM 13517912 15085184 2621404 16.24 2688 1794880 1171812 6.82 136196 2169012 37976 09:21:01 AM 13179476 15120032 2959840 18.34 2688 2149004 1085980 6.32 139760 2432616 176616 09:22:01 AM 11816376 14104272 4322940 26.79 2688 2489900 2007200 11.68 203748 3696056 155192 09:23:01 AM 11750012 14063956 4389304 27.20 2688 2515076 2338844 13.61 205256 3754572 20 09:24:01 AM 11025512 13685264 5113804 31.69 2688 2850756 2645944 15.39 302488 4340144 480 09:25:01 AM 10062800 13636852 6076516 37.65 2688 3579856 1980144 11.52 417480 4812216 36364 09:26:01 AM 10266704 13933528 5872612 36.39 2688 3655124 1879720 10.94 471740 4528640 16948 09:27:01 AM 11066988 14790232 5072328 31.43 2688 3705160 1178060 6.85 699680 3496628 41344 Average: 11585722 14302415 4553594 28.21 2688 2842470 1785963 10.39 322044 3653736 58118 09:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM eth0 300.17 169.84 976.65 63.52 0.00 0.00 0.00 0.00 09:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM eth0 73.16 40.95 1156.75 8.02 0.00 0.00 0.00 0.00 09:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 AM eth0 307.37 256.42 3141.92 42.72 0.00 0.00 0.00 0.00 09:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 AM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 09:23:01 AM eth0 9.63 8.13 99.39 1.46 0.00 0.00 0.00 0.00 09:23:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 09:23:01 AM veth07bf629 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 09:24:01 AM lo 6.81 6.81 5.17 5.17 0.00 0.00 0.00 0.00 09:24:01 AM eth0 142.47 66.49 2174.48 6.11 0.00 0.00 0.00 0.00 09:24:01 AM docker0 3.55 3.27 4.10 0.45 0.00 0.00 0.00 0.00 09:24:01 AM veth07bf629 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 09:25:01 AM lo 1.12 1.12 0.17 0.17 0.00 0.00 0.00 0.00 09:25:01 AM eth0 190.95 154.80 1820.97 953.06 0.00 0.00 0.00 0.00 09:25:01 AM docker0 0.05 0.07 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 AM eth0 7.13 4.92 59.17 1.35 0.00 0.00 0.00 0.00 09:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 AM lo 4.73 4.73 0.67 0.67 0.00 0.00 0.00 0.00 09:27:01 AM eth0 21.99 19.14 52.73 50.89 0.00 0.00 0.00 0.00 09:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.61 1.61 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 131.60 90.08 1185.22 140.90 0.00 0.00 0.00 0.00 Average: docker0 0.47 0.45 0.51 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 11/12/2026 _x86_64_ (4 CPU) 09:18:33 LINUX RESTART (4 CPU) 09:19:01 AM CPU %user %nice %system %iowait %steal %idle 09:20:01 AM all 17.09 0.00 3.42 2.86 0.02 76.61 09:20:01 AM 0 10.92 0.00 3.82 0.82 0.03 84.40 09:20:01 AM 1 21.94 0.00 3.09 3.48 0.02 71.48 09:20:01 AM 2 14.01 0.00 3.09 5.59 0.02 77.30 09:20:01 AM 3 21.48 0.00 3.70 1.56 0.00 73.26 09:21:01 AM all 13.48 0.00 1.27 0.86 0.02 84.38 09:21:01 AM 0 4.69 0.00 0.65 0.80 0.00 93.86 09:21:01 AM 1 34.03 0.00 3.19 1.20 0.03 61.54 09:21:01 AM 2 9.76 0.00 0.74 1.14 0.02 88.35 09:21:01 AM 3 5.39 0.00 0.49 0.32 0.02 93.79 09:22:01 AM all 28.78 0.00 2.01 1.27 0.02 67.92 09:22:01 AM 0 31.51 0.00 1.55 0.42 0.02 66.50 09:22:01 AM 1 25.93 0.00 2.29 1.39 0.02 70.37 09:22:01 AM 2 29.49 0.00 1.66 1.44 0.02 67.40 09:22:01 AM 3 28.18 0.00 2.55 1.84 0.02 67.41 09:23:01 AM all 0.93 0.00 0.34 0.29 0.00 98.44 09:23:01 AM 0 0.52 0.00 0.40 0.08 0.02 98.98 09:23:01 AM 1 0.95 0.00 0.38 0.52 0.00 98.15 09:23:01 AM 2 0.94 0.00 0.23 0.07 0.00 98.76 09:23:01 AM 3 1.32 0.00 0.33 0.48 0.00 97.86 09:24:01 AM all 18.54 0.09 1.89 0.50 0.01 78.97 09:24:01 AM 0 19.79 0.18 2.32 0.20 0.02 77.49 09:24:01 AM 1 18.27 0.02 1.68 0.55 0.00 79.48 09:24:01 AM 2 19.41 0.03 1.64 0.44 0.02 78.46 09:24:01 AM 3 16.69 0.13 1.91 0.80 0.02 80.44 09:25:01 AM all 22.01 0.00 8.40 2.34 0.02 67.23 09:25:01 AM 0 24.75 0.00 8.24 1.91 0.02 65.08 09:25:01 AM 1 18.95 0.00 10.08 2.40 0.03 68.55 09:25:01 AM 2 19.74 0.00 6.02 2.92 0.02 71.31 09:25:01 AM 3 24.60 0.00 9.27 2.11 0.02 64.00 09:26:01 AM all 34.35 0.00 1.73 1.45 0.02 62.46 09:26:01 AM 0 31.31 0.00 2.01 1.36 0.02 65.31 09:26:01 AM 1 22.53 0.00 1.27 0.75 0.00 75.45 09:26:01 AM 2 45.15 0.00 2.07 2.59 0.03 50.15 09:26:01 AM 3 38.40 0.00 1.56 1.09 0.02 58.94 09:27:01 AM all 29.24 0.00 1.81 0.38 0.02 68.54 09:27:01 AM 0 18.24 0.00 1.05 0.02 0.02 80.67 09:27:01 AM 1 21.67 0.00 1.64 0.23 0.02 76.44 09:27:01 AM 2 32.77 0.00 2.11 0.20 0.02 64.91 09:27:01 AM 3 44.30 0.00 2.46 1.09 0.02 52.14 Average: all 20.55 0.01 2.60 1.24 0.02 75.58 Average: 0 17.70 0.02 2.50 0.70 0.02 79.06 Average: 1 20.54 0.00 2.94 1.31 0.01 75.19 Average: 2 21.41 0.00 2.19 1.79 0.02 74.58 Average: 3 22.54 0.02 2.77 1.16 0.01 73.50