---> uname -a: Linux prd-centos8-docker-4c-4g-5771.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 763 12205 20 2791 14657 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:99:88:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.119/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fe99:8899/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:86:f7:ed:7b 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/28/2026 _x86_64_ (4 CPU) 05:21:16 LINUX RESTART (4 CPU) 05:22:01 AM tps rtps wtps bread/s bwrtn/s 05:23:01 AM 199.95 18.89 181.06 3468.98 11661.55 05:24:02 AM 138.71 3.07 135.65 764.55 12437.56 05:25:01 AM 25.33 0.05 25.28 1.08 6813.42 05:26:01 AM 2.71 1.70 1.02 51.03 232.89 05:27:01 AM 25.11 1.68 23.43 145.44 2069.17 Average: 78.54 5.09 73.45 889.14 6642.27 05:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:23:01 AM 12640736 14805832 3498572 21.68 2688 2370824 1329332 7.73 165348 2928016 251076 05:24:02 AM 10780484 13245936 5358824 33.20 2688 2665524 2614052 15.21 260240 4662712 190216 05:25:01 AM 10053480 12523000 6085828 37.71 2688 2669444 3227316 18.78 260564 5386492 1008 05:26:01 AM 8961560 11440568 7177748 44.47 2688 2678660 4238964 24.66 264548 6470708 2280 05:27:01 AM 12549000 15057584 3590308 22.25 2688 2706580 1097276 6.38 472504 2682728 6776 Average: 10997052 13414584 5142256 31.86 2688 2618206 2501388 14.55 284641 4426131 90271 05:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 204.92 161.05 2482.04 27.78 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:02 AM eth0 296.44 239.25 4097.35 33.48 0.00 0.00 0.00 0.00 05:24:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 149.12 99.29 57.63 67.84 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM eth0 137.96 95.39 53.72 52.11 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM lo 6.53 6.53 0.80 0.80 0.00 0.00 0.00 0.00 05:27:01 AM eth0 26.38 22.45 52.60 9.26 0.00 0.00 0.00 0.00 05:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 163.01 123.57 1353.03 38.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/28/2026 _x86_64_ (4 CPU) 05:21:16 LINUX RESTART (4 CPU) 05:22:01 AM CPU %user %nice %system %iowait %steal %idle 05:23:01 AM all 24.34 0.00 2.18 1.08 0.02 72.38 05:23:01 AM 0 18.23 0.00 1.42 0.95 0.02 79.39 05:23:01 AM 1 13.07 0.00 1.40 0.74 0.02 84.78 05:23:01 AM 2 17.70 0.00 1.12 0.28 0.02 80.87 05:23:01 AM 3 48.39 0.00 4.78 2.36 0.02 44.45 05:24:02 AM all 64.26 0.00 1.95 0.72 0.02 33.05 05:24:02 AM 0 60.84 0.00 1.89 0.57 0.02 36.69 05:24:02 AM 1 59.98 0.00 3.06 1.17 0.02 35.77 05:24:02 AM 2 65.08 0.00 1.76 0.89 0.03 32.25 05:24:02 AM 3 71.11 0.00 1.08 0.27 0.02 27.52 05:25:01 AM all 26.66 0.00 1.43 0.15 0.01 71.75 05:25:01 AM 0 22.97 0.00 1.41 0.08 0.02 75.52 05:25:01 AM 1 29.85 0.00 1.43 0.17 0.00 68.56 05:25:01 AM 2 27.34 0.00 1.58 0.15 0.02 70.91 05:25:01 AM 3 26.47 0.00 1.31 0.19 0.02 72.02 05:26:01 AM all 32.59 0.00 1.30 0.02 0.01 66.08 05:26:01 AM 0 27.06 0.00 0.68 0.00 0.00 72.26 05:26:01 AM 1 26.91 0.00 1.47 0.00 0.02 71.61 05:26:01 AM 2 55.03 0.00 1.84 0.07 0.03 43.03 05:26:01 AM 3 21.33 0.00 1.22 0.02 0.00 77.43 05:27:01 AM all 46.95 0.00 1.94 0.08 0.02 51.01 05:27:01 AM 0 40.83 0.00 2.09 0.05 0.02 57.01 05:27:01 AM 1 57.05 0.00 2.47 0.02 0.02 40.44 05:27:01 AM 2 45.94 0.00 1.94 0.15 0.03 51.94 05:27:01 AM 3 43.96 0.00 1.29 0.10 0.00 54.66 Average: all 39.00 0.00 1.76 0.41 0.02 58.81 Average: 0 34.01 0.00 1.50 0.33 0.01 64.15 Average: 1 37.40 0.00 1.97 0.42 0.01 60.20 Average: 2 42.28 0.00 1.65 0.31 0.03 55.74 Average: 3 42.31 0.00 1.94 0.59 0.01 55.16