---> uname -a: Linux prd-centos8-docker-8c-8g-17310.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 1008 28276 20 2602 30426 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:a4:30:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.189/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fea4:3067/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:24:f1:0e:be 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) 09/02/2026 _x86_64_ (8 CPU) 05:17:34 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 177.02 6.81 170.21 1098.48 6839.09 05:20:02 AM 210.58 3.32 207.26 762.28 14823.08 05:21:01 AM 93.53 1.54 91.99 394.44 7499.66 Average: 160.66 3.89 156.77 751.79 9749.26 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29473812 31291224 3179560 9.74 2688 2135236 1391448 4.13 138408 2586908 279960 05:20:02 AM 27478340 29507388 5175032 15.85 2688 2339492 2879268 8.54 210044 4465328 85140 05:21:01 AM 27205648 29379256 5447724 16.68 2688 2479880 2925444 8.68 236364 4692680 20328 Average: 28052600 30059289 4600772 14.09 2688 2318203 2398720 7.12 194939 3914972 128476 05:18:02 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 110.15 81.18 1444.83 29.24 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 05:20:02 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:02 AM eth0 262.91 237.55 2057.25 55.44 0.00 0.00 0.00 0.00 05:20:02 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 142.38 123.57 1385.36 28.45 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 172.32 147.94 1631.55 37.81 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) 09/02/2026 _x86_64_ (8 CPU) 05:17:34 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.55 0.00 1.06 0.41 0.01 88.97 05:19:01 AM 0 11.15 0.00 1.34 1.69 0.02 85.80 05:19:01 AM 1 9.53 0.00 1.02 0.31 0.02 89.13 05:19:01 AM 2 11.36 0.00 0.99 0.12 0.00 87.54 05:19:01 AM 3 11.85 0.00 1.38 0.29 0.00 86.49 05:19:01 AM 4 2.98 0.00 0.34 0.03 0.02 96.63 05:19:01 AM 5 1.26 0.00 0.59 0.25 0.02 97.88 05:19:01 AM 6 19.09 0.00 2.09 0.39 0.02 78.41 05:19:01 AM 7 9.14 0.00 0.73 0.22 0.00 89.91 05:20:02 AM all 32.66 0.00 1.82 0.57 0.02 64.93 05:20:02 AM 0 30.02 0.00 1.69 0.17 0.02 68.11 05:20:02 AM 1 39.26 0.00 2.56 0.87 0.03 57.28 05:20:02 AM 2 33.18 0.00 2.23 0.67 0.03 63.89 05:20:02 AM 3 36.53 0.00 1.34 0.33 0.02 61.79 05:20:02 AM 4 22.78 0.00 1.83 1.04 0.02 74.34 05:20:02 AM 5 22.68 0.00 1.57 0.42 0.02 75.31 05:20:02 AM 6 39.39 0.00 1.74 0.60 0.02 58.26 05:20:02 AM 7 37.44 0.00 1.59 0.43 0.02 60.52 05:21:01 AM all 29.49 0.00 1.24 0.22 0.01 69.03 05:21:01 AM 0 31.37 0.00 1.36 0.03 0.02 67.22 05:21:01 AM 1 30.87 0.00 1.09 0.20 0.02 67.83 05:21:01 AM 2 26.95 0.00 0.97 0.15 0.00 71.93 05:21:01 AM 3 19.17 0.00 0.93 0.39 0.02 79.49 05:21:01 AM 4 28.55 0.00 1.72 0.19 0.02 69.53 05:21:01 AM 5 41.23 0.00 1.53 0.24 0.02 56.99 05:21:01 AM 6 30.70 0.00 1.00 0.07 0.00 68.23 05:21:01 AM 7 27.11 0.00 1.34 0.51 0.02 71.02 Average: all 23.95 0.00 1.38 0.40 0.01 74.26 Average: 0 24.22 0.00 1.47 0.63 0.02 73.68 Average: 1 26.62 0.00 1.56 0.46 0.02 71.34 Average: 2 23.88 0.00 1.40 0.32 0.01 74.40 Average: 3 22.59 0.00 1.22 0.34 0.01 75.84 Average: 4 18.13 0.00 1.30 0.42 0.02 80.13 Average: 5 21.73 0.00 1.23 0.30 0.02 76.71 Average: 6 29.78 0.00 1.61 0.35 0.01 68.25 Average: 7 24.62 0.00 1.22 0.39 0.01 73.75