---> uname -a: Linux prd-centos8-docker-4c-4g-3015.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 788 12189 20 2782 14632 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:a3:13:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85970sec preferred_lft 85970sec inet6 fe80::f816:3eff:fea3:1378/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a9:2b:c6:f4 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) 10/19/2026 _x86_64_ (4 CPU) 05:30:17 LINUX RESTART (4 CPU) 05:31:01 AM tps rtps wtps bread/s bwrtn/s 05:32:01 AM 140.92 10.76 130.16 1442.05 5232.24 05:33:01 AM 99.68 2.03 97.65 1520.55 9680.05 05:34:01 AM 197.20 19.99 177.21 2708.96 11462.36 05:35:01 AM 43.88 0.00 43.88 0.00 7909.25 05:36:01 AM 3.55 0.00 3.55 0.00 314.53 05:37:01 AM 8.93 3.02 5.92 149.84 279.62 Average: 82.37 5.97 76.40 970.30 5813.15 05:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:32:01 AM 13452192 15058168 2687124 16.65 2688 1832240 1180216 6.87 146012 2217884 24192 05:33:01 AM 13079124 15105356 3060192 18.96 2688 2234664 1431596 8.33 149504 2520388 173800 05:34:01 AM 11706732 14111580 4432584 27.46 2688 2606156 1965508 11.44 235920 3769576 172784 05:35:01 AM 10616252 13076236 5523064 34.22 2688 2659796 2793632 16.25 261696 4828436 2568 05:36:01 AM 9599904 12065692 6539412 40.52 2688 2665456 3793756 22.07 263368 5840148 1460 05:37:01 AM 12571864 15061988 3567452 22.10 2688 2688776 1084604 6.31 456572 2681424 18648 Average: 11837678 14079837 4301638 26.65 2688 2447848 2041552 11.88 252179 3642976 65575 05:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:32:01 AM eth0 182.84 112.70 844.66 47.25 0.00 0.00 0.00 0.00 05:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 AM eth0 83.59 56.59 1247.87 7.73 0.00 0.00 0.00 0.00 05:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 AM eth0 370.98 314.11 4438.24 43.52 0.00 0.00 0.00 0.00 05:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:35:01 AM eth0 200.12 127.48 737.86 67.94 0.00 0.00 0.00 0.00 05:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 AM eth0 219.88 135.98 82.74 77.71 0.00 0.00 0.00 0.00 05:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 AM lo 6.53 6.53 0.80 0.80 0.00 0.00 0.00 0.00 05:37:01 AM eth0 33.13 28.08 49.66 18.92 0.00 0.00 0.00 0.00 05:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 181.76 129.16 1233.58 43.85 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) 10/19/2026 _x86_64_ (4 CPU) 05:30:17 LINUX RESTART (4 CPU) 05:31:01 AM CPU %user %nice %system %iowait %steal %idle 05:32:01 AM all 12.45 0.00 1.43 0.78 0.01 85.32 05:32:01 AM 0 11.70 0.00 1.54 0.53 0.02 86.21 05:32:01 AM 1 15.98 0.00 1.24 0.27 0.00 82.52 05:32:01 AM 2 14.88 0.00 1.84 1.94 0.02 81.32 05:32:01 AM 3 7.25 0.00 1.10 0.38 0.02 91.24 05:33:01 AM all 11.43 0.00 1.29 0.55 0.00 86.73 05:33:01 AM 0 7.18 0.00 0.67 0.30 0.00 91.85 05:33:01 AM 1 4.15 0.00 1.05 0.70 0.00 94.10 05:33:01 AM 2 21.96 0.00 2.36 0.57 0.00 75.11 05:33:01 AM 3 12.44 0.00 1.10 0.62 0.00 85.84 05:34:01 AM all 45.83 0.00 2.23 1.17 0.01 50.77 05:34:01 AM 0 51.12 0.00 1.76 0.60 0.02 46.51 05:34:01 AM 1 45.66 0.00 1.97 1.09 0.02 51.26 05:34:01 AM 2 45.67 0.00 2.34 0.97 0.00 51.02 05:34:01 AM 3 40.84 0.00 2.86 2.01 0.00 54.29 05:35:01 AM all 50.87 0.00 1.55 0.25 0.00 47.33 05:35:01 AM 0 49.81 0.00 1.69 0.00 0.00 48.50 05:35:01 AM 1 46.34 0.00 1.47 0.70 0.00 51.49 05:35:01 AM 2 50.94 0.00 1.77 0.05 0.02 47.23 05:35:01 AM 3 56.40 0.00 1.29 0.23 0.00 42.08 05:36:01 AM all 21.35 0.00 1.47 0.02 0.01 77.15 05:36:01 AM 0 33.96 0.00 1.15 0.00 0.02 64.87 05:36:01 AM 1 18.99 0.00 1.47 0.03 0.02 79.49 05:36:01 AM 2 14.17 0.00 1.69 0.02 0.00 84.13 05:36:01 AM 3 18.28 0.00 1.55 0.02 0.02 80.13 05:37:01 AM all 54.31 0.00 1.48 0.04 0.01 44.15 05:37:01 AM 0 73.62 0.00 1.64 0.08 0.02 24.65 05:37:01 AM 1 40.55 0.00 1.50 0.02 0.00 57.93 05:37:01 AM 2 51.88 0.00 1.29 0.03 0.02 46.79 05:37:01 AM 3 51.20 0.00 1.50 0.03 0.02 47.25 Average: all 32.71 0.00 1.58 0.47 0.01 65.24 Average: 0 37.89 0.00 1.41 0.25 0.01 60.44 Average: 1 28.61 0.00 1.45 0.47 0.01 69.46 Average: 2 33.26 0.00 1.88 0.60 0.01 64.26 Average: 3 31.07 0.00 1.57 0.55 0.01 66.81