---> uname -a: Linux prd-centos8-docker-8c-8g-331.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 1033 28245 19 2608 30402 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:ef:29:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.221/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:feef:29b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:42:63:5f:0d 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) 07/17/2026 _x86_64_ (8 CPU) 05:17:58 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 213.19 3.61 209.58 640.24 15906.41 05:21:01 AM 119.59 1.78 117.81 664.85 7012.36 05:22:01 AM 67.51 1.30 66.21 112.90 4988.49 Average: 133.44 2.23 131.21 472.68 9303.15 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 27997832 29996160 4655540 14.26 2688 2310032 2630428 7.80 178268 3988408 92428 05:21:01 AM 27377488 29548752 5275884 16.16 2688 2477256 2851852 8.46 234012 4530324 61260 05:22:01 AM 28944364 31153568 3709008 11.36 2688 2513524 1419148 4.21 431784 2767760 7612 Average: 28106561 30232827 4546811 13.92 2688 2433604 2300476 6.83 281355 3762164 53767 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 310.21 258.74 2361.96 67.67 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 149.25 123.06 1467.28 25.68 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 151.52 150.97 329.93 168.03 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 203.67 177.60 1386.50 87.13 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) 07/17/2026 _x86_64_ (8 CPU) 05:17:58 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 21.67 0.00 1.48 0.58 0.07 76.20 05:20:01 AM 0 8.10 0.00 1.74 1.07 0.08 89.01 05:20:01 AM 1 20.58 0.00 1.81 0.69 0.07 76.86 05:20:01 AM 2 19.35 0.00 1.49 0.50 0.07 78.60 05:20:01 AM 3 33.04 0.00 1.65 0.05 0.08 65.17 05:20:01 AM 4 15.68 0.00 1.25 0.84 0.05 82.18 05:20:01 AM 5 21.13 0.00 1.10 0.53 0.05 77.18 05:20:01 AM 6 29.20 0.00 1.59 0.58 0.07 68.56 05:20:01 AM 7 26.26 0.00 1.20 0.38 0.07 72.08 05:21:01 AM all 44.69 0.00 1.53 0.28 0.09 53.41 05:21:01 AM 0 37.69 0.00 1.25 0.20 0.08 60.78 05:21:01 AM 1 35.89 0.00 1.65 0.15 0.08 62.23 05:21:01 AM 2 53.86 0.00 1.74 0.30 0.10 44.00 05:21:01 AM 3 42.80 0.00 1.40 0.25 0.10 55.44 05:21:01 AM 4 49.03 0.00 1.72 0.48 0.10 48.66 05:21:01 AM 5 46.04 0.00 1.59 0.54 0.10 51.73 05:21:01 AM 6 46.48 0.00 1.39 0.20 0.08 51.85 05:21:01 AM 7 45.77 0.00 1.50 0.10 0.07 52.56 05:22:01 AM all 16.49 0.00 1.26 0.12 0.06 82.07 05:22:01 AM 0 30.31 0.00 1.62 0.17 0.08 67.82 05:22:01 AM 1 13.48 0.00 1.29 0.02 0.05 85.16 05:22:01 AM 2 20.89 0.00 1.94 0.22 0.07 76.89 05:22:01 AM 3 16.42 0.00 1.37 0.03 0.05 82.13 05:22:01 AM 4 11.65 0.00 0.79 0.03 0.05 87.49 05:22:01 AM 5 9.60 0.00 0.82 0.35 0.05 89.18 05:22:01 AM 6 19.87 0.00 1.25 0.10 0.07 78.71 05:22:01 AM 7 9.69 0.00 1.00 0.07 0.05 89.19 Average: all 27.62 0.00 1.42 0.33 0.07 70.56 Average: 0 25.36 0.00 1.54 0.48 0.08 72.54 Average: 1 23.31 0.00 1.58 0.28 0.07 74.75 Average: 2 31.37 0.00 1.72 0.34 0.08 66.49 Average: 3 30.76 0.00 1.48 0.11 0.08 67.58 Average: 4 25.45 0.00 1.25 0.45 0.07 72.78 Average: 5 25.58 0.00 1.17 0.47 0.07 72.70 Average: 6 31.85 0.00 1.41 0.30 0.07 66.37 Average: 7 27.24 0.00 1.24 0.18 0.06 71.28