---> uname -a: Linux prd-centos8-docker-8c-8g-1468.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1005 28286 20 2595 30430 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:09:7a:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.150/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe09:7a67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fd:96:9c:8d 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) 10/14/2026 _x86_64_ (8 CPU) 05:17:42 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 240.55 19.44 221.11 4191.39 8406.41 05:20:01 AM 214.51 3.88 210.63 917.27 14976.68 05:21:01 AM 96.75 1.58 95.17 388.54 6385.49 Average: 183.94 8.30 175.64 1832.48 9923.06 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29441756 31210052 3211616 9.84 2688 2090236 1471328 4.37 150220 2621244 246864 05:20:01 AM 27022208 29034716 5631164 17.25 2688 2323756 3732368 11.07 205640 4926736 78180 05:21:01 AM 26525528 28710000 6127844 18.77 2688 2490476 3773308 11.20 240884 5365152 68664 Average: 27663164 29651589 4990208 15.28 2688 2301489 2992335 8.88 198915 4304377 131236 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 389.32 242.31 2069.34 63.52 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 255.41 225.52 2075.60 65.08 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 176.81 149.97 1554.51 31.51 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 273.85 205.94 1899.84 53.37 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) 10/14/2026 _x86_64_ (8 CPU) 05:17:42 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 11.89 0.00 1.67 0.85 0.00 85.59 05:19:01 AM 0 8.97 0.00 1.39 1.19 0.00 88.46 05:19:01 AM 1 16.01 0.00 2.03 2.71 0.02 79.24 05:19:01 AM 2 5.60 0.00 1.69 0.64 0.00 92.07 05:19:01 AM 3 4.04 0.00 1.16 0.27 0.00 94.54 05:19:01 AM 4 10.63 0.00 2.06 0.32 0.00 86.99 05:19:01 AM 5 12.08 0.00 1.29 0.87 0.00 85.76 05:19:01 AM 6 17.07 0.00 1.90 0.42 0.02 80.59 05:19:01 AM 7 20.67 0.00 1.85 0.37 0.00 77.11 05:20:01 AM all 28.98 0.00 1.77 0.61 0.01 68.63 05:20:01 AM 0 8.54 0.00 1.64 0.12 0.00 89.71 05:20:01 AM 1 40.68 0.00 2.16 0.89 0.03 56.24 05:20:01 AM 2 24.88 0.00 1.42 0.62 0.02 73.06 05:20:01 AM 3 20.82 0.00 1.44 0.45 0.02 77.27 05:20:01 AM 4 37.89 0.00 1.87 0.40 0.02 59.82 05:20:01 AM 5 31.51 0.00 1.74 0.72 0.02 66.01 05:20:01 AM 6 36.85 0.00 2.18 1.09 0.00 59.88 05:20:01 AM 7 30.71 0.00 1.71 0.57 0.02 67.00 05:21:01 AM all 40.63 0.00 1.82 0.24 0.02 57.29 05:21:01 AM 0 36.29 0.00 1.45 0.10 0.02 62.14 05:21:01 AM 1 35.64 0.00 1.94 0.32 0.02 62.09 05:21:01 AM 2 38.29 0.00 1.57 0.10 0.00 60.04 05:21:01 AM 3 30.59 0.00 1.82 0.27 0.02 67.30 05:21:01 AM 4 41.38 0.00 1.24 0.08 0.02 57.28 05:21:01 AM 5 46.90 0.00 1.54 0.35 0.02 51.20 05:21:01 AM 6 55.73 0.00 3.40 0.37 0.03 40.47 05:21:01 AM 7 40.27 0.00 1.59 0.30 0.02 57.82 Average: all 27.17 0.00 1.75 0.56 0.01 70.51 Average: 0 17.94 0.00 1.49 0.47 0.01 80.10 Average: 1 30.78 0.00 2.04 1.30 0.02 65.85 Average: 2 22.92 0.00 1.56 0.45 0.01 75.06 Average: 3 18.49 0.00 1.47 0.33 0.01 79.70 Average: 4 29.98 0.00 1.72 0.27 0.01 68.02 Average: 5 30.15 0.00 1.52 0.65 0.01 67.67 Average: 6 36.53 0.00 2.49 0.62 0.02 60.33 Average: 7 30.55 0.00 1.72 0.41 0.01 67.31