---> uname -a: Linux prd-centos8-docker-8c-8g-4436.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 nrip_save 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 1023 28267 19 2597 30412 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:b1:df:da brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.228/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:feb1:dfda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:41:28:66:11 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) 05/28/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 138.97 1.68 137.29 290.44 15579.49 05:21:01 AM 176.63 3.51 173.11 1012.69 5460.47 05:22:01 AM 75.55 2.65 72.90 99.05 5973.37 Average: 130.39 2.62 127.77 467.44 9004.42 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28378724 30275120 4274648 13.09 2688 2211740 2567684 7.62 159512 3636792 22288 05:21:01 AM 27363668 29500132 5289704 16.20 2688 2443356 2907992 8.63 229220 4551332 110096 05:22:01 AM 28941848 31136844 3711524 11.37 2688 2498664 1505168 4.47 423104 2777164 42596 Average: 28228080 30304032 4425292 13.55 2688 2384587 2326948 6.90 270612 3655096 58327 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 158.01 136.12 1327.34 45.87 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 244.24 217.59 2546.78 49.03 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 159.77 161.36 347.37 171.29 0.00 0.00 0.00 0.00 05:22:01 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 187.35 171.69 1407.29 88.72 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) 05/28/2026 _x86_64_ (8 CPU) 05:17:56 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 10.61 0.00 1.00 0.63 0.04 87.72 05:20:01 AM 0 8.26 0.00 0.98 1.37 0.03 89.35 05:20:01 AM 1 4.28 0.00 1.14 0.95 0.05 93.58 05:20:01 AM 2 14.32 0.00 0.98 0.52 0.03 84.14 05:20:01 AM 3 13.62 0.00 0.97 0.47 0.07 84.87 05:20:01 AM 4 15.40 0.00 0.93 0.25 0.03 83.38 05:20:01 AM 5 3.12 0.00 0.62 1.03 0.02 95.21 05:20:01 AM 6 14.34 0.00 1.22 0.22 0.05 84.18 05:20:01 AM 7 11.55 0.00 1.12 0.25 0.03 87.05 05:21:01 AM all 39.83 0.00 1.55 0.52 0.08 58.02 05:21:01 AM 0 38.87 0.00 1.12 0.13 0.10 59.78 05:21:01 AM 1 43.74 0.00 1.81 0.54 0.08 53.84 05:21:01 AM 2 48.90 0.00 1.45 0.58 0.08 48.98 05:21:01 AM 3 38.38 0.00 1.27 0.10 0.08 60.17 05:21:01 AM 4 42.69 0.00 2.02 0.23 0.07 54.99 05:21:01 AM 5 31.06 0.00 1.42 0.90 0.08 66.53 05:21:01 AM 6 45.48 0.00 1.24 0.25 0.08 52.95 05:21:01 AM 7 29.54 0.00 2.04 1.40 0.08 66.93 05:22:01 AM all 27.58 0.00 1.39 0.22 0.08 70.73 05:22:01 AM 0 35.80 0.00 1.42 0.10 0.10 62.58 05:22:01 AM 1 25.65 0.00 1.44 0.05 0.08 72.78 05:22:01 AM 2 32.40 0.00 1.70 0.18 0.08 65.63 05:22:01 AM 3 36.08 0.00 2.00 0.37 0.07 61.48 05:22:01 AM 4 25.41 0.00 1.64 0.69 0.08 72.19 05:22:01 AM 5 18.33 0.00 1.24 0.22 0.07 80.14 05:22:01 AM 6 21.73 0.00 1.00 0.10 0.07 77.10 05:22:01 AM 7 25.22 0.00 0.72 0.02 0.07 73.98 Average: all 26.01 0.00 1.31 0.46 0.07 72.16 Average: 0 27.65 0.00 1.17 0.53 0.08 70.57 Average: 1 24.56 0.00 1.46 0.51 0.07 73.40 Average: 2 31.87 0.00 1.38 0.43 0.07 66.25 Average: 3 29.37 0.00 1.41 0.31 0.07 68.83 Average: 4 27.82 0.00 1.53 0.39 0.06 70.20 Average: 5 17.50 0.00 1.09 0.72 0.06 80.64 Average: 6 27.19 0.00 1.15 0.19 0.07 71.40 Average: 7 22.10 0.00 1.29 0.56 0.06 75.99