---> uname -a: Linux prd-centos8-docker-4c-4g-1229.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 776 12189 20 2795 14645 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:c9:24:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86049sec preferred_lft 86049sec inet6 fe80::f816:3eff:fec9:247a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ed:0e:8d:c4 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) 09/14/2026 _x86_64_ (4 CPU) 05:22:23 LINUX RESTART (4 CPU) 05:23:01 AM tps rtps wtps bread/s bwrtn/s 05:24:01 AM 203.60 19.11 184.49 3495.90 11710.85 05:25:01 AM 150.94 3.18 147.76 766.71 12832.21 05:26:01 AM 24.23 0.00 24.23 0.00 6671.86 05:27:01 AM 2.66 1.70 0.97 51.03 283.61 05:28:01 AM 17.43 1.50 15.93 142.09 971.89 Average: 79.78 5.10 74.68 891.07 6494.73 05:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:24:01 AM 12682868 14842224 3456440 21.42 2688 2365200 1276348 7.43 166340 2885840 248912 05:25:01 AM 11128684 13598528 5010624 31.05 2688 2669928 2315488 13.47 258416 4316540 191844 05:26:01 AM 10470508 12945020 5668800 35.12 2688 2674436 2770052 16.12 263884 4967316 1572 05:27:01 AM 9091752 11575448 7047556 43.67 2688 2683376 4162316 24.22 267856 6337596 1092 05:28:01 AM 12545180 15056948 3594128 22.27 2688 2709712 1138976 6.63 473276 2686308 28156 Average: 11183798 13603634 4955510 30.70 2688 2620530 2332636 13.57 285954 4238720 94315 05:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 220.06 169.51 2511.17 28.08 0.00 0.00 0.00 0.00 05:24:01 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 300.63 238.36 4273.43 32.15 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 214.06 145.60 106.49 105.38 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM eth0 135.11 92.55 50.19 51.28 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 05:28:01 AM lo 6.53 6.53 0.80 0.80 0.00 0.00 0.00 0.00 05:28:01 AM eth0 23.59 20.04 14.96 9.92 0.00 0.00 0.00 0.00 05:28:01 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 178.71 133.23 1391.64 45.36 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) 09/14/2026 _x86_64_ (4 CPU) 05:22:23 LINUX RESTART (4 CPU) 05:23:01 AM CPU %user %nice %system %iowait %steal %idle 05:24:01 AM all 25.28 0.00 2.28 1.06 0.02 71.37 05:24:01 AM 0 37.64 0.00 3.34 1.49 0.02 57.52 05:24:01 AM 1 32.29 0.00 3.18 1.25 0.03 63.25 05:24:01 AM 2 14.97 0.00 0.99 0.38 0.02 83.64 05:24:01 AM 3 16.21 0.00 1.61 1.11 0.02 81.06 05:25:01 AM all 64.84 0.00 2.05 0.60 0.03 32.48 05:25:01 AM 0 64.42 0.00 2.25 0.62 0.05 32.66 05:25:01 AM 1 72.89 0.00 1.32 0.42 0.03 25.34 05:25:01 AM 2 63.74 0.00 1.95 0.53 0.02 33.75 05:25:01 AM 3 58.29 0.00 2.67 0.84 0.02 38.18 05:26:01 AM all 31.37 0.00 1.48 0.15 0.02 66.99 05:26:01 AM 0 32.35 0.00 1.37 0.07 0.02 66.19 05:26:01 AM 1 32.36 0.00 1.27 0.45 0.00 65.92 05:26:01 AM 2 31.15 0.00 1.49 0.07 0.02 67.28 05:26:01 AM 3 29.63 0.00 1.79 0.00 0.03 68.55 05:27:01 AM all 34.01 0.00 1.43 0.02 0.02 64.52 05:27:01 AM 0 29.24 0.00 0.95 0.00 0.02 69.79 05:27:01 AM 1 27.03 0.00 1.80 0.02 0.00 71.15 05:27:01 AM 2 46.73 0.00 1.85 0.07 0.03 51.32 05:27:01 AM 3 33.04 0.00 1.12 0.00 0.02 65.82 05:28:01 AM all 50.96 0.00 1.80 0.07 0.03 47.14 05:28:01 AM 0 44.55 0.00 1.94 0.12 0.02 53.38 05:28:01 AM 1 38.57 0.00 1.86 0.10 0.03 59.43 05:28:01 AM 2 61.70 0.00 1.35 0.02 0.03 36.90 05:28:01 AM 3 59.00 0.00 2.05 0.05 0.03 38.86 Average: all 41.30 0.00 1.81 0.38 0.02 56.49 Average: 0 41.65 0.00 1.97 0.46 0.02 55.90 Average: 1 40.64 0.00 1.88 0.45 0.02 57.01 Average: 2 43.66 0.00 1.53 0.21 0.02 54.57 Average: 3 39.25 0.00 1.85 0.40 0.02 58.48