---> uname -a: Linux prd-centos8-docker-8c-8g-925.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: 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): 0-7 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 995 28294 20 2597 30439 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:7d:63:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fe7d:632d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:7d:15:e3 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) 09/13/2026 _x86_64_ (8 CPU) 05:17:35 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 230.19 7.75 222.44 1229.47 9106.63 05:20:01 AM 209.68 2.37 207.31 630.32 13816.06 05:21:01 AM 97.63 1.63 96.00 393.87 7143.49 Average: 179.17 3.92 175.25 751.22 10022.06 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29405876 31277812 3247496 9.95 2688 2189956 1416732 4.20 148412 2640816 287264 05:20:01 AM 27503120 29529928 5150252 15.77 2688 2337204 3048116 9.04 211424 4437784 71992 05:21:01 AM 28944420 31137992 3708952 11.36 2688 2499020 1515772 4.50 246580 2948920 53364 Average: 28617805 30648577 4035567 12.36 2688 2342060 1993540 5.92 202139 3342507 137540 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 167.69 115.13 1857.78 38.28 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 245.43 221.36 1659.89 47.14 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 189.94 163.66 1550.17 32.89 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 201.02 166.72 1689.28 39.44 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) 09/13/2026 _x86_64_ (8 CPU) 05:17:35 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 10.26 0.00 1.32 0.60 0.01 87.81 05:19:01 AM 0 3.07 0.00 1.04 0.10 0.00 95.79 05:19:01 AM 1 3.64 0.00 1.05 1.07 0.02 94.23 05:19:01 AM 2 12.13 0.00 1.33 0.32 0.00 86.22 05:19:01 AM 3 23.39 0.00 2.79 1.94 0.02 71.87 05:19:01 AM 4 14.19 0.00 1.50 0.28 0.02 84.01 05:19:01 AM 5 12.92 0.00 1.12 0.30 0.00 85.66 05:19:01 AM 6 2.43 0.00 0.62 0.15 0.02 96.79 05:19:01 AM 7 10.29 0.00 1.10 0.62 0.02 87.97 05:20:01 AM all 34.30 0.00 1.71 0.62 0.03 63.33 05:20:01 AM 0 42.75 0.00 0.97 0.13 0.03 56.12 05:20:01 AM 1 31.65 0.00 2.18 0.55 0.03 65.58 05:20:01 AM 2 27.48 0.00 1.37 0.89 0.03 70.22 05:20:01 AM 3 43.19 0.00 1.25 0.23 0.03 55.29 05:20:01 AM 4 19.71 0.00 1.89 0.75 0.03 77.61 05:20:01 AM 5 35.49 0.00 1.30 0.50 0.02 62.69 05:20:01 AM 6 39.96 0.00 2.84 1.29 0.05 55.86 05:20:01 AM 7 34.13 0.00 1.87 0.62 0.03 63.35 05:21:01 AM all 35.96 0.00 1.83 0.21 0.02 61.98 05:21:01 AM 0 32.97 0.00 1.29 0.05 0.00 65.70 05:21:01 AM 1 34.59 0.00 1.79 0.10 0.02 63.51 05:21:01 AM 2 42.47 0.00 2.47 0.33 0.03 54.69 05:21:01 AM 3 51.48 0.00 1.90 0.18 0.02 46.42 05:21:01 AM 4 31.62 0.00 1.69 0.30 0.02 66.38 05:21:01 AM 5 33.18 0.00 1.74 0.25 0.05 64.78 05:21:01 AM 6 27.65 0.00 1.62 0.23 0.02 70.47 05:21:01 AM 7 33.73 0.00 2.12 0.23 0.02 63.90 Average: all 26.83 0.00 1.62 0.48 0.02 71.05 Average: 0 26.26 0.00 1.10 0.09 0.01 72.54 Average: 1 23.27 0.00 1.67 0.57 0.02 74.46 Average: 2 27.36 0.00 1.73 0.51 0.02 70.38 Average: 3 39.35 0.00 1.98 0.78 0.02 57.86 Average: 4 21.84 0.00 1.69 0.45 0.02 76.00 Average: 5 27.19 0.00 1.39 0.35 0.02 71.05 Average: 6 23.34 0.00 1.70 0.56 0.03 74.38 Average: 7 26.05 0.00 1.70 0.49 0.02 71.74