---> uname -a: Linux prd-centos8-docker-8c-8g-16394.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 1477 27781 20 2629 29960 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:57:ca:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fe57:ca04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:f7:4b:8c 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) 08/29/2026 _x86_64_ (8 CPU) 14:01:19 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 194.02 2.62 191.40 578.34 11501.17 02:04:01 PM 115.48 1.78 113.69 664.73 13571.61 02:05:01 PM 38.61 2.25 36.36 105.18 4783.84 Average: 116.04 2.22 113.82 449.45 9952.69 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27987116 29993236 4666256 14.29 2688 2321336 2619708 7.77 169904 4021152 308248 02:04:01 PM 27233244 29406472 5420128 16.60 2688 2483180 3068876 9.11 224200 4694632 79496 02:05:01 PM 28471708 30701000 4181664 12.81 2688 2537132 1832156 5.44 454440 3224408 24888 Average: 27897356 30033569 4756016 14.57 2688 2447216 2506913 7.44 282848 3980064 137544 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 237.57 186.27 3559.32 44.39 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 159.60 134.55 1496.17 28.59 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 213.73 151.42 644.24 138.68 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 203.63 157.41 1899.96 70.55 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) 08/29/2026 _x86_64_ (8 CPU) 14:01:19 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 18.94 0.00 1.33 0.47 0.01 79.25 02:03:01 PM 0 9.50 0.00 0.83 0.45 0.00 89.22 02:03:01 PM 1 11.02 0.00 1.26 0.92 0.00 86.81 02:03:01 PM 2 16.85 0.00 1.79 0.49 0.00 80.88 02:03:01 PM 3 21.59 0.00 0.80 0.50 0.00 77.11 02:03:01 PM 4 22.29 0.00 1.19 0.15 0.02 76.36 02:03:01 PM 5 14.28 0.00 1.19 0.22 0.00 84.31 02:03:01 PM 6 35.28 0.00 1.92 0.38 0.02 62.40 02:03:01 PM 7 20.70 0.00 1.69 0.63 0.02 76.96 02:04:01 PM all 42.29 0.00 1.73 0.31 0.02 55.65 02:04:01 PM 0 40.12 0.00 1.69 0.05 0.02 58.12 02:04:01 PM 1 32.58 0.00 1.69 0.52 0.02 65.20 02:04:01 PM 2 38.76 0.00 2.06 0.67 0.02 58.50 02:04:01 PM 3 47.64 0.00 1.25 0.28 0.02 50.81 02:04:01 PM 4 36.46 0.00 1.70 0.10 0.02 61.72 02:04:01 PM 5 37.98 0.00 1.61 0.15 0.02 60.25 02:04:01 PM 6 54.46 0.00 1.40 0.22 0.02 43.90 02:04:01 PM 7 50.33 0.00 2.46 0.47 0.02 46.73 02:05:01 PM all 19.50 0.00 1.23 0.12 0.01 79.15 02:05:01 PM 0 25.95 0.00 1.19 0.05 0.00 72.82 02:05:01 PM 1 21.66 0.00 0.75 0.13 0.00 77.45 02:05:01 PM 2 16.87 0.00 1.07 0.27 0.00 81.79 02:05:01 PM 3 8.84 0.00 1.42 0.20 0.00 89.53 02:05:01 PM 4 28.72 0.00 1.66 0.05 0.02 69.56 02:05:01 PM 5 10.83 0.00 1.04 0.12 0.02 88.00 02:05:01 PM 6 29.74 0.00 1.37 0.07 0.02 68.81 02:05:01 PM 7 13.36 0.00 1.34 0.05 0.02 85.24 Average: all 26.91 0.00 1.43 0.30 0.01 71.35 Average: 0 25.18 0.00 1.24 0.18 0.01 73.40 Average: 1 21.76 0.00 1.23 0.52 0.01 76.48 Average: 2 24.16 0.00 1.64 0.47 0.01 73.72 Average: 3 26.04 0.00 1.16 0.33 0.01 72.46 Average: 4 29.16 0.00 1.52 0.10 0.02 69.21 Average: 5 21.03 0.00 1.28 0.16 0.01 77.52 Average: 6 39.83 0.00 1.56 0.22 0.02 58.37 Average: 7 28.13 0.00 1.83 0.38 0.02 69.64