---> uname -a: Linux prd-centos8-docker-4c-4g-7.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 12078 20 2904 14643 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:78:8c:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86071sec preferred_lft 86071sec inet6 fe80::f816:3eff:fe78:8cee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:37:00:cf:82 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) 09:20:44 LINUX RESTART (4 CPU) 09:22:01 AM tps rtps wtps bread/s bwrtn/s 09:23:01 AM 106.16 0.20 105.96 29.99 9630.52 09:24:01 AM 114.68 14.81 99.87 3201.20 9263.02 09:25:01 AM 138.57 3.80 134.77 819.72 7990.42 09:26:02 AM 40.99 2.88 38.10 256.05 2022.73 Average: 100.10 5.42 94.68 1076.62 7226.68 09:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:01 AM 13132024 15024756 3007292 18.63 2688 2104700 1172320 6.82 153592 2476920 147924 09:24:01 AM 12809488 14911484 3329828 20.63 2688 2307748 1358200 7.90 183020 2741284 20808 09:25:01 AM 11825160 14190112 4314156 26.73 2688 2565800 2043216 11.89 218884 3668788 46952 09:26:02 AM 12363372 14979872 3775944 23.40 2688 2815616 1169476 6.80 522536 2824772 247608 Average: 12532511 14776556 3606805 22.35 2688 2448466 1435803 8.35 269508 2927941 115823 09:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 AM eth0 78.07 49.98 1211.12 19.50 0.00 0.00 0.00 0.00 09:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM eth0 87.07 69.14 837.12 17.01 0.00 0.00 0.00 0.00 09:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM eth0 364.21 273.57 3746.92 69.46 0.00 0.00 0.00 0.00 09:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:02 AM lo 31.62 31.62 8.27 8.27 0.00 0.00 0.00 0.00 09:26:02 AM eth0 89.45 66.99 284.23 47.17 0.00 0.00 0.00 0.00 09:26:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.91 7.91 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 154.73 114.94 1520.15 38.29 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) 09:20:44 LINUX RESTART (4 CPU) 09:22:01 AM CPU %user %nice %system %iowait %steal %idle 09:23:01 AM all 12.60 0.00 1.22 0.51 0.01 85.65 09:23:01 AM 0 4.53 0.00 0.82 0.43 0.00 94.21 09:23:01 AM 1 13.63 0.00 1.40 0.55 0.02 84.40 09:23:01 AM 2 9.13 0.00 0.84 0.43 0.02 89.58 09:23:01 AM 3 23.08 0.00 1.82 0.63 0.02 74.45 09:24:01 AM all 15.44 0.00 1.68 0.65 0.00 82.23 09:24:01 AM 0 11.24 0.00 1.27 0.27 0.00 87.22 09:24:01 AM 1 15.32 0.00 1.55 1.09 0.00 82.04 09:24:01 AM 2 14.25 0.00 1.84 0.70 0.00 83.21 09:24:01 AM 3 20.94 0.00 2.06 0.55 0.00 76.45 09:25:01 AM all 22.08 0.00 1.48 0.74 0.01 75.68 09:25:01 AM 0 18.70 0.00 1.34 0.69 0.02 79.26 09:25:01 AM 1 29.58 0.00 1.37 0.69 0.00 68.37 09:25:01 AM 2 21.29 0.00 1.97 1.29 0.02 75.43 09:25:01 AM 3 18.76 0.00 1.26 0.30 0.00 79.69 09:26:02 AM all 39.20 0.00 1.75 0.19 0.01 58.86 09:26:02 AM 0 41.95 0.00 1.20 0.03 0.00 56.81 09:26:02 AM 1 29.46 0.00 2.46 0.35 0.02 67.71 09:26:02 AM 2 46.53 0.00 1.27 0.13 0.00 52.07 09:26:02 AM 3 38.83 0.00 2.06 0.23 0.02 58.86 Average: all 22.33 0.00 1.53 0.52 0.01 75.61 Average: 0 19.11 0.00 1.16 0.36 0.00 79.37 Average: 1 21.99 0.00 1.70 0.67 0.01 75.63 Average: 2 22.81 0.00 1.48 0.64 0.01 75.06 Average: 3 25.40 0.00 1.80 0.43 0.01 72.36