---> uname -a: Linux prd-centos8-docker-8c-8g-16706.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 1010 28281 20 2596 30425 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:e5:c9:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.9/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fee5:c9c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:23:0e:47 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) 08/31/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 141.41 2.18 139.23 336.90 10765.20 05:20:02 AM 204.87 3.38 201.48 997.80 12015.93 05:21:01 AM 72.92 1.15 71.77 79.58 6154.75 Average: 140.11 2.25 137.86 473.63 9665.05 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28570700 30451616 4082672 12.50 2688 2197524 2362860 7.01 158416 3454800 202904 05:20:02 AM 26973808 29068388 5679564 17.39 2688 2403440 3627996 10.76 220672 4948044 80848 05:21:01 AM 28960300 31154612 3693072 11.31 2688 2499852 1504356 4.46 243280 2935572 47620 Average: 28168269 30224872 4485103 13.74 2688 2366939 2498404 7.41 207456 3779472 110457 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 175.11 140.70 1761.73 45.61 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 210.23 196.22 2326.54 39.26 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 160.06 162.96 819.90 160.51 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 181.92 166.64 1640.67 81.35 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) 08/31/2026 _x86_64_ (8 CPU) 05:17:20 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.75 0.00 1.19 0.32 0.01 85.72 05:19:01 AM 0 6.22 0.00 0.95 0.27 0.00 92.56 05:19:01 AM 1 11.62 0.00 0.92 0.50 0.02 86.94 05:19:01 AM 2 32.34 0.00 2.80 0.67 0.02 64.17 05:19:01 AM 3 8.76 0.00 0.90 0.17 0.02 90.15 05:19:01 AM 4 1.68 0.00 0.55 0.07 0.02 97.69 05:19:01 AM 5 14.54 0.00 1.25 0.28 0.02 83.91 05:19:01 AM 6 17.97 0.00 1.55 0.47 0.02 80.00 05:19:01 AM 7 8.85 0.00 0.60 0.15 0.02 90.39 05:20:02 AM all 39.04 0.00 1.85 0.52 0.01 58.57 05:20:02 AM 0 42.08 0.00 1.64 0.83 0.02 55.43 05:20:02 AM 1 28.14 0.00 1.44 0.30 0.02 70.11 05:20:02 AM 2 41.04 0.00 2.33 0.64 0.02 55.98 05:20:02 AM 3 41.02 0.00 2.09 0.79 0.02 56.08 05:20:02 AM 4 38.28 0.00 2.18 0.69 0.00 58.85 05:20:02 AM 5 44.48 0.00 1.55 0.23 0.00 53.73 05:20:02 AM 6 41.24 0.00 1.87 0.62 0.03 56.23 05:20:02 AM 7 36.07 0.00 1.69 0.10 0.00 62.14 05:21:01 AM all 33.08 0.00 1.72 0.17 0.01 65.02 05:21:01 AM 0 29.45 0.00 2.01 0.29 0.00 68.26 05:21:01 AM 1 35.87 0.00 1.99 0.20 0.00 61.94 05:21:01 AM 2 22.47 0.00 1.07 0.27 0.02 76.17 05:21:01 AM 3 37.44 0.00 1.90 0.19 0.00 60.47 05:21:01 AM 4 36.48 0.00 1.50 0.22 0.02 61.78 05:21:01 AM 5 36.05 0.00 2.28 0.07 0.02 61.59 05:21:01 AM 6 43.25 0.00 1.75 0.07 0.02 54.92 05:21:01 AM 7 23.61 0.00 1.28 0.05 0.02 75.05 Average: all 28.26 0.00 1.59 0.34 0.01 69.80 Average: 0 25.90 0.00 1.53 0.46 0.01 72.10 Average: 1 25.14 0.00 1.45 0.34 0.01 73.07 Average: 2 32.00 0.00 2.07 0.53 0.02 65.38 Average: 3 29.01 0.00 1.63 0.38 0.01 68.96 Average: 4 25.43 0.00 1.41 0.33 0.01 72.83 Average: 5 31.66 0.00 1.69 0.20 0.01 66.44 Average: 6 34.09 0.00 1.72 0.39 0.02 63.78 Average: 7 22.83 0.00 1.19 0.10 0.01 75.87