---> uname -a: Linux prd-centos8-docker-4c-4g-2498.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 766 12098 20 2896 14656 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:2f:c7:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.5/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86059sec preferred_lft 86059sec inet6 fe80::f816:3eff:fe2f:c795/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6c:b1:98:2b 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) 10/17/2026 _x86_64_ (4 CPU) 13:22:32 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 284.16 104.63 179.53 11168.95 39687.44 01:25:01 PM 94.47 0.08 94.38 1.60 9276.87 01:26:01 PM 136.44 14.98 121.46 3220.93 9269.69 01:27:01 PM 142.13 6.18 135.94 1055.69 9852.62 01:28:01 PM 39.75 1.63 38.12 122.89 8811.28 Average: 139.39 25.51 113.89 3114.45 15380.78 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13572308 15126012 2567008 15.91 2688 1781848 1137592 6.62 133980 2120168 35896 01:25:01 PM 13249120 15055496 2890196 17.91 2688 2023108 1158516 6.74 137108 2391584 56056 01:26:01 PM 12741604 14842728 3397712 21.05 2688 2306956 1347524 7.84 187772 2803744 29760 01:27:01 PM 11369632 13737880 4769684 29.55 2688 2569656 2433548 14.16 254240 4088420 2860 01:28:01 PM 12428820 15049756 3710496 22.99 2688 2820380 1101128 6.41 531748 2754708 24124 Average: 12672297 14762374 3467019 21.48 2688 2300390 1435662 8.35 248970 2831725 29739 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 283.74 176.23 911.55 63.37 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 78.64 50.46 1100.97 6.88 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 96.18 82.84 924.46 24.41 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 27.35 27.35 7.25 7.25 0.00 0.00 0.00 0.00 01:27:01 PM eth0 391.07 272.35 3694.45 61.75 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 4.28 4.28 1.02 1.02 0.00 0.00 0.00 0.00 01:28:01 PM eth0 67.76 63.28 268.78 932.68 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.32 6.32 1.65 1.65 0.00 0.00 0.00 0.00 Average: eth0 183.48 129.03 1379.96 217.83 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) 10/17/2026 _x86_64_ (4 CPU) 13:22:32 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 16.87 0.00 2.87 2.40 0.00 77.85 01:24:01 PM 0 18.33 0.00 2.73 2.93 0.00 76.02 01:24:01 PM 1 15.44 0.00 2.63 0.89 0.00 81.04 01:24:01 PM 2 19.70 0.00 3.11 2.12 0.00 75.06 01:24:01 PM 3 14.00 0.00 3.02 3.68 0.02 79.28 01:25:01 PM all 10.42 0.00 1.01 0.55 0.02 88.01 01:25:01 PM 0 14.85 0.00 1.63 0.65 0.02 82.86 01:25:01 PM 1 11.50 0.00 0.92 0.85 0.02 86.71 01:25:01 PM 2 9.59 0.00 0.80 0.32 0.02 89.27 01:25:01 PM 3 5.71 0.00 0.70 0.37 0.02 93.20 01:26:01 PM all 17.65 0.00 1.93 0.79 0.00 79.62 01:26:01 PM 0 18.81 0.00 2.39 1.15 0.00 77.65 01:26:01 PM 1 14.85 0.00 1.81 0.82 0.00 82.53 01:26:01 PM 2 23.34 0.00 2.16 0.74 0.00 73.77 01:26:01 PM 3 13.60 0.00 1.37 0.47 0.00 84.55 01:27:01 PM all 50.96 0.00 2.26 0.74 0.02 46.02 01:27:01 PM 0 57.37 0.00 2.71 1.27 0.02 38.63 01:27:01 PM 1 46.90 0.00 2.39 0.38 0.02 50.31 01:27:01 PM 2 61.07 0.00 1.94 0.38 0.05 36.56 01:27:01 PM 3 38.49 0.00 2.02 0.90 0.00 58.59 01:28:01 PM all 16.55 0.00 1.68 0.31 0.00 81.45 01:28:01 PM 0 26.08 0.00 2.35 0.22 0.00 71.35 01:28:01 PM 1 20.79 0.00 1.92 0.50 0.02 76.77 01:28:01 PM 2 11.14 0.00 0.84 0.07 0.00 87.96 01:28:01 PM 3 8.18 0.00 1.62 0.47 0.00 89.73 Average: all 22.49 0.00 1.95 0.96 0.01 74.59 Average: 0 27.08 0.00 2.36 1.24 0.01 69.31 Average: 1 21.90 0.00 1.93 0.69 0.01 75.47 Average: 2 24.97 0.00 1.77 0.73 0.01 72.52 Average: 3 16.00 0.00 1.75 1.17 0.01 81.07