---> uname -a: Linux prd-centos8-docker-4c-4g-5966.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 758 12101 20 2900 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:6b:60:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fe6b:6081/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a8:d9:31:01 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) 10/28/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 197.66 51.48 146.18 6307.03 39666.53 01:25:01 PM 104.35 0.08 104.27 1.60 9667.34 01:26:01 PM 139.65 14.85 124.81 3115.63 9200.70 01:27:01 PM 131.94 6.27 125.68 1080.75 9771.39 01:28:01 PM 39.44 1.65 37.79 123.03 8722.99 Average: 122.36 14.74 107.62 2111.87 15325.87 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13554224 15109844 2585092 16.02 2688 1783732 1178016 6.85 135856 2136148 36428 01:25:01 PM 13176652 15053104 2962664 18.36 2688 2089784 1162320 6.76 151580 2438004 133748 01:26:01 PM 12738044 14845676 3401272 21.07 2688 2312240 1341404 7.80 189848 2798172 31440 01:27:01 PM 11408788 13781172 4730528 29.31 2688 2573336 2330352 13.56 255216 4044852 1544 01:28:01 PM 12376868 15001716 3762448 23.31 2688 2823756 1156444 6.73 532388 2803188 25756 Average: 12650915 14758302 3488401 21.61 2688 2316570 1433707 8.34 252978 2844073 45783 01:23:02 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 326.14 189.84 942.95 67.24 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 77.72 48.03 1165.63 7.43 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 111.18 88.20 901.97 28.01 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 27.53 27.53 7.27 7.27 0.00 0.00 0.00 0.00 01:27:01 PM eth0 320.36 234.46 3663.25 52.30 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 4.03 4.03 1.00 1.00 0.00 0.00 0.00 0.00 01:28:01 PM eth0 72.69 69.59 274.54 936.86 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 6.33 6.33 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 181.14 125.81 1391.08 218.88 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) 10/28/2026 _x86_64_ (4 CPU) 13:22:30 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 15.13 0.00 2.83 1.77 0.00 80.27 01:24:01 PM 0 10.16 0.00 2.48 0.44 0.00 86.92 01:24:01 PM 1 23.56 0.00 2.79 3.14 0.00 70.51 01:24:01 PM 2 12.46 0.00 2.71 0.73 0.00 84.10 01:24:01 PM 3 14.32 0.00 3.35 2.75 0.02 79.56 01:25:01 PM all 11.02 0.00 1.13 0.58 0.01 87.27 01:25:01 PM 0 10.68 0.00 1.26 0.17 0.02 87.87 01:25:01 PM 1 18.38 0.00 1.79 1.08 0.02 78.73 01:25:01 PM 2 4.08 0.00 0.72 0.52 0.00 94.69 01:25:01 PM 3 10.93 0.00 0.75 0.53 0.00 87.78 01:26:01 PM all 17.16 0.00 1.83 0.80 0.02 80.19 01:26:01 PM 0 14.73 0.00 1.70 0.68 0.02 82.87 01:26:01 PM 1 22.77 0.00 2.32 0.85 0.02 74.03 01:26:01 PM 2 14.49 0.00 1.41 0.60 0.03 83.47 01:26:01 PM 3 16.63 0.00 1.91 1.05 0.02 80.39 01:27:01 PM all 49.66 0.00 2.12 0.63 0.03 47.56 01:27:01 PM 0 49.23 0.00 1.76 0.54 0.02 48.46 01:27:01 PM 1 55.24 0.00 1.74 0.12 0.03 42.87 01:27:01 PM 2 50.48 0.00 2.19 1.02 0.03 46.28 01:27:01 PM 3 43.70 0.00 2.79 0.84 0.03 52.64 01:28:01 PM all 18.92 0.00 1.80 0.33 0.02 78.93 01:28:01 PM 0 29.84 0.00 1.72 0.10 0.03 68.31 01:28:01 PM 1 23.28 0.00 2.20 0.03 0.02 74.47 01:28:01 PM 2 11.32 0.00 1.71 0.30 0.02 86.66 01:28:01 PM 3 11.23 0.00 1.57 0.87 0.02 86.31 Average: all 22.40 0.00 1.94 0.82 0.02 74.83 Average: 0 22.96 0.00 1.78 0.39 0.02 74.86 Average: 1 28.66 0.00 2.17 1.04 0.02 68.12 Average: 2 18.59 0.00 1.74 0.63 0.02 79.02 Average: 3 19.38 0.00 2.07 1.20 0.02 77.33