---> uname -a: Linux prd-centos8-docker-4c-4g-6.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 758 12097 20 2904 14663 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:5f:76:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.126/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fe5f:765d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0f:3e:71:b4 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) 09:20:47 LINUX RESTART (4 CPU) 09:22:01 AM tps rtps wtps bread/s bwrtn/s 09:23:02 AM 101.73 0.20 101.53 29.99 9758.70 09:24:01 AM 107.49 14.91 92.58 3254.36 9265.50 09:25:01 AM 152.48 3.86 148.62 820.78 8548.17 09:26:01 AM 36.59 2.87 33.73 255.96 1709.83 Average: 99.55 5.42 94.13 1081.12 7312.77 09:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:02 AM 13221212 15042948 2918104 18.08 2688 2037428 1171036 6.81 142116 2409980 63648 09:24:01 AM 12895072 14995528 3244244 20.10 2688 2306456 1231464 7.16 183428 2657672 24160 09:25:01 AM 11775992 14141056 4363324 27.04 2688 2565876 1978368 11.51 224044 3711996 38124 09:26:01 AM 12383752 15000328 3755564 23.27 2688 2815676 1149748 6.69 522704 2804004 247596 Average: 12569007 14794965 3570309 22.12 2688 2431359 1382654 8.04 268073 2895913 93382 09:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:23:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:02 AM eth0 88.05 56.76 1212.10 19.71 0.00 0.00 0.00 0.00 09:23:02 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 86.54 68.07 842.03 16.17 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 364.87 289.44 3725.92 53.46 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 09:26:01 AM lo 31.63 31.63 8.28 8.28 0.00 0.00 0.00 0.00 09:26:01 AM eth0 77.77 66.04 277.54 42.58 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 Average: lo 7.94 7.94 2.08 2.08 0.00 0.00 0.00 0.00 Average: eth0 154.63 120.33 1517.66 33.05 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) 09:20:47 LINUX RESTART (4 CPU) 09:22:01 AM CPU %user %nice %system %iowait %steal %idle 09:23:02 AM all 11.76 0.00 1.18 0.49 0.01 86.57 09:23:02 AM 0 7.28 0.00 0.99 0.40 0.00 91.33 09:23:02 AM 1 15.55 0.00 1.30 0.43 0.02 82.70 09:23:02 AM 2 3.26 0.00 0.49 0.40 0.00 95.85 09:23:02 AM 3 20.92 0.00 1.94 0.72 0.02 76.41 09:24:01 AM all 16.07 0.00 1.82 0.61 0.01 81.49 09:24:01 AM 0 19.47 0.00 2.16 0.97 0.00 77.40 09:24:01 AM 1 17.00 0.00 1.58 0.39 0.02 81.01 09:24:01 AM 2 14.85 0.00 2.19 0.61 0.02 82.33 09:24:01 AM 3 12.95 0.00 1.33 0.48 0.02 85.23 09:25:01 AM all 27.07 0.00 1.91 0.80 0.01 70.20 09:25:01 AM 0 24.84 0.00 1.76 0.59 0.02 72.80 09:25:01 AM 1 27.25 0.00 2.01 1.02 0.02 69.71 09:25:01 AM 2 28.86 0.00 2.63 1.37 0.02 67.12 09:25:01 AM 3 27.33 0.00 1.26 0.23 0.00 71.18 09:26:01 AM all 38.56 0.00 2.12 0.18 0.02 59.13 09:26:01 AM 0 46.88 0.00 2.62 0.02 0.03 50.44 09:26:01 AM 1 23.80 0.00 2.53 0.27 0.02 73.38 09:26:01 AM 2 46.63 0.00 1.44 0.13 0.02 51.78 09:26:01 AM 3 36.89 0.00 1.87 0.30 0.02 60.92 Average: all 23.39 0.00 1.75 0.52 0.01 74.32 Average: 0 24.63 0.00 1.88 0.49 0.01 72.98 Average: 1 20.91 0.00 1.86 0.53 0.02 76.68 Average: 2 23.44 0.00 1.68 0.63 0.01 74.24 Average: 3 24.57 0.00 1.60 0.43 0.01 73.38