---> uname -a: Linux prd-centos8-docker-4c-4g-2.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: 2799.998 BogoMIPS: 5599.99 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 763 12089 20 2907 14658 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:a2:26:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.210/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fea2:2672/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:20:79:c7:4e 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) 09:21:22 LINUX RESTART (4 CPU) 09:22:01 AM tps rtps wtps bread/s bwrtn/s 09:23:01 AM 247.61 106.00 141.61 11455.12 39198.37 09:24:01 AM 106.23 0.20 106.03 30.00 10022.48 09:25:01 AM 124.81 14.85 109.96 3253.45 9141.90 09:26:01 AM 137.03 6.17 130.86 1055.42 9174.69 09:27:01 AM 43.49 0.87 42.62 67.31 9017.14 Average: 131.84 25.62 106.22 3172.71 15312.09 09:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:23:01 AM 13540820 15091928 2598496 16.10 2688 1779876 1162032 6.76 135952 2151736 33504 09:24:01 AM 13097040 15024744 3042276 18.85 2688 2136776 1163392 6.77 138776 2518384 176552 09:25:01 AM 12740772 14850540 3398544 21.06 2688 2315300 1348308 7.84 183912 2805868 19696 09:26:01 AM 11426060 13803808 4713256 29.20 2688 2578800 2559928 14.89 250432 4033148 8820 09:27:01 AM 12407992 15038008 3731324 23.12 2688 2828724 1130328 6.58 535360 2767416 25636 Average: 12642537 14761806 3496779 21.67 2688 2327895 1472798 8.57 248886 2855310 52842 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 205.25 142.46 910.17 69.08 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 81.50 52.41 1172.04 7.32 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 94.85 76.99 864.71 20.05 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 17.40 17.40 4.06 4.06 0.00 0.00 0.00 0.00 09:26:01 AM eth0 355.19 242.34 3693.36 46.23 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 09:27:01 AM lo 14.48 14.48 4.23 4.23 0.00 0.00 0.00 0.00 09:27:01 AM eth0 77.89 62.51 281.30 37.85 0.00 0.00 0.00 0.00 09:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.37 6.37 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 162.93 115.34 1384.23 36.11 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) 09:21:22 LINUX RESTART (4 CPU) 09:22:01 AM CPU %user %nice %system %iowait %steal %idle 09:23:01 AM all 17.86 0.00 3.25 5.24 0.02 73.64 09:23:01 AM 0 15.43 0.00 3.51 2.14 0.03 78.88 09:23:01 AM 1 18.45 0.00 3.57 13.62 0.02 64.34 09:23:01 AM 2 17.95 0.00 3.09 2.85 0.02 76.09 09:23:01 AM 3 19.61 0.00 2.81 2.33 0.02 75.23 09:24:01 AM all 13.67 0.00 1.35 0.63 0.02 84.33 09:24:01 AM 0 16.91 0.00 1.87 0.78 0.00 80.44 09:24:01 AM 1 1.19 0.00 0.59 0.60 0.03 97.59 09:24:01 AM 2 20.86 0.00 1.79 0.58 0.02 76.75 09:24:01 AM 3 15.71 0.00 1.17 0.53 0.02 82.57 09:25:01 AM all 15.93 0.00 1.80 0.72 0.02 81.52 09:25:01 AM 0 15.10 0.00 2.54 1.07 0.03 81.25 09:25:01 AM 1 15.21 0.00 1.49 0.38 0.02 82.90 09:25:01 AM 2 16.20 0.00 1.92 1.05 0.02 80.80 09:25:01 AM 3 17.22 0.00 1.26 0.38 0.02 81.12 09:26:01 AM all 49.43 0.00 2.00 0.62 0.03 47.92 09:26:01 AM 0 38.48 0.00 1.62 0.59 0.02 59.29 09:26:01 AM 1 43.54 0.00 2.58 0.60 0.02 53.26 09:26:01 AM 2 59.07 0.00 2.24 0.89 0.03 37.77 09:26:01 AM 3 56.60 0.00 1.57 0.42 0.03 41.38 09:27:01 AM all 21.53 0.00 1.93 0.26 0.02 76.26 09:27:01 AM 0 19.22 0.00 2.57 0.37 0.03 77.80 09:27:01 AM 1 12.15 0.00 1.32 0.20 0.00 86.33 09:27:01 AM 2 17.69 0.00 2.05 0.43 0.02 79.80 09:27:01 AM 3 37.05 0.00 1.77 0.03 0.03 61.12 Average: all 23.68 0.00 2.07 1.49 0.02 72.74 Average: 0 21.02 0.00 2.42 0.99 0.02 75.54 Average: 1 18.10 0.00 1.91 3.08 0.02 76.90 Average: 2 26.36 0.00 2.22 1.16 0.02 70.24 Average: 3 29.24 0.00 1.72 0.74 0.02 68.29