---> uname -a: Linux prd-centos8-docker-4c-4g-5009.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 778 12194 20 2788 14642 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:d0:ee:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85983sec preferred_lft 85983sec inet6 fe80::f816:3eff:fed0:eed0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:61:e7:46 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) 11/02/2026 _x86_64_ (4 CPU) 11:08:12 LINUX RESTART (4 CPU) 11:09:01 AM tps rtps wtps bread/s bwrtn/s 11:10:01 AM 198.87 6.03 192.84 920.49 6801.60 11:11:01 AM 181.74 18.78 162.96 3361.95 13525.34 11:12:01 AM 117.53 3.13 114.40 773.87 7254.24 11:13:01 AM 26.41 0.00 26.41 0.00 6786.89 11:14:01 AM 3.33 0.20 3.13 7.20 306.58 11:15:01 AM 16.24 3.17 13.08 216.46 765.94 Average: 90.69 5.22 85.47 880.05 5906.86 11:09:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 AM 13364512 15123828 2774804 17.19 2688 1976188 1106496 6.44 145812 2273592 137904 11:11:01 AM 12657912 14816132 3481404 21.57 2688 2363144 1313380 7.64 166668 2901808 105456 11:12:01 AM 10982160 13441960 5157156 31.95 2688 2659100 2618588 15.24 262092 4459708 191780 11:13:01 AM 9976208 12442964 6163108 38.19 2688 2665832 3423664 19.92 264180 5460992 2492 11:14:01 AM 8929024 11401628 7210292 44.68 2688 2671428 4470764 26.01 264928 6504276 564 11:15:01 AM 12454832 14960208 3684484 22.83 2688 2702316 1196204 6.96 465928 2784024 30136 Average: 11394108 13697787 4745208 29.40 2688 2506335 2354849 13.70 261601 4064067 78055 11:09:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 AM eth0 67.79 43.72 961.51 19.63 0.00 0.00 0.00 0.00 11:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:11:01 AM eth0 152.33 130.29 1736.98 26.78 0.00 0.00 0.00 0.00 11:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:12:01 AM eth0 300.50 240.24 4124.14 39.82 0.00 0.00 0.00 0.00 11:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:13:01 AM eth0 126.58 81.05 56.98 62.48 0.00 0.00 0.00 0.00 11:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:14:01 AM eth0 174.67 124.93 53.19 56.01 0.00 0.00 0.00 0.00 11:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:01 AM lo 6.48 6.48 0.79 0.79 0.00 0.00 0.00 0.00 11:15:01 AM eth0 29.24 23.11 52.14 21.05 0.00 0.00 0.00 0.00 11:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 141.85 107.22 1164.13 37.63 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) 11/02/2026 _x86_64_ (4 CPU) 11:08:12 LINUX RESTART (4 CPU) 11:09:01 AM CPU %user %nice %system %iowait %steal %idle 11:10:01 AM all 11.27 0.00 1.23 0.88 0.03 86.60 11:10:01 AM 0 13.32 0.00 1.12 0.37 0.02 85.18 11:10:01 AM 1 10.48 0.00 1.72 2.37 0.02 85.41 11:10:01 AM 2 13.78 0.00 1.44 0.37 0.03 84.38 11:10:01 AM 3 7.49 0.00 0.64 0.42 0.03 91.42 11:11:01 AM all 18.12 0.00 1.70 1.32 0.02 78.84 11:11:01 AM 0 24.96 0.00 2.25 0.93 0.02 71.84 11:11:01 AM 1 13.03 0.00 1.92 1.47 0.02 83.55 11:11:01 AM 2 19.50 0.00 1.42 1.65 0.02 77.41 11:11:01 AM 3 14.98 0.00 1.20 1.20 0.02 82.60 11:12:01 AM all 62.28 0.00 2.06 0.50 0.03 35.14 11:12:01 AM 0 53.43 0.00 2.12 0.28 0.02 44.15 11:12:01 AM 1 65.68 0.00 2.52 0.62 0.03 31.15 11:12:01 AM 2 64.53 0.00 2.31 0.75 0.02 32.39 11:12:01 AM 3 65.47 0.00 1.29 0.35 0.03 32.86 11:13:01 AM all 47.22 0.00 1.42 0.14 0.02 51.20 11:13:01 AM 0 36.89 0.00 1.49 0.54 0.02 61.07 11:13:01 AM 1 56.70 0.00 1.49 0.02 0.03 41.77 11:13:01 AM 2 44.29 0.00 1.59 0.02 0.02 54.09 11:13:01 AM 3 50.98 0.00 1.10 0.00 0.02 47.91 11:14:01 AM all 19.43 0.00 1.39 0.01 0.00 79.16 11:14:01 AM 0 14.59 0.00 1.60 0.00 0.00 83.80 11:14:01 AM 1 12.92 0.00 1.49 0.02 0.00 85.57 11:14:01 AM 2 33.28 0.00 1.19 0.02 0.02 65.50 11:14:01 AM 3 16.92 0.00 1.29 0.02 0.00 81.77 11:15:01 AM all 47.40 0.00 1.62 0.09 0.02 50.87 11:15:01 AM 0 37.04 0.00 1.35 0.05 0.02 61.54 11:15:01 AM 1 41.59 0.00 1.42 0.13 0.02 56.83 11:15:01 AM 2 63.16 0.00 2.42 0.13 0.02 34.27 11:15:01 AM 3 47.80 0.00 1.30 0.03 0.03 50.84 Average: all 34.29 0.00 1.57 0.49 0.02 63.64 Average: 0 30.03 0.00 1.66 0.36 0.01 67.94 Average: 1 33.41 0.00 1.76 0.77 0.02 64.04 Average: 2 39.76 0.00 1.73 0.49 0.02 58.01 Average: 3 33.94 0.00 1.14 0.34 0.02 64.56