---> uname -a: Linux prd-centos8-docker-4c-4g-3216.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 762 12103 20 2895 14660 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:61:d6:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.161/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe61:d681/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:52:f6:47:51 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) 10:46:31 LINUX RESTART (4 CPU) 10:47:01 AM tps rtps wtps bread/s bwrtn/s 10:48:01 AM 238.25 79.38 158.87 9351.86 39153.91 10:49:01 AM 71.88 0.20 71.68 29.99 6347.88 10:50:01 AM 176.64 14.80 161.85 3115.09 12395.90 10:51:01 AM 123.74 6.31 117.42 1081.46 9731.32 10:52:01 AM 42.88 1.65 41.23 123.05 9485.99 Average: 130.68 20.47 110.21 2740.54 15423.80 10:47:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:48:01 AM 13556552 15103336 2582764 16.00 2688 1775160 1153820 6.71 135968 2134288 30924 10:49:01 AM 13285668 15071056 2853648 17.68 2688 2001548 1159412 6.75 139416 2355304 117548 10:50:01 AM 12682880 14828940 3456436 21.42 2688 2350604 1366872 7.95 190248 2853840 73800 10:51:01 AM 11304356 13671404 4834960 29.96 2688 2568396 2429892 14.14 255460 4149744 1076 10:52:01 AM 12414492 15038380 3724824 23.08 2688 2823400 1133016 6.59 541344 2756868 11612 Average: 12648790 14742623 3490526 21.63 2688 2303822 1448602 8.43 252487 2850009 46992 10:47:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:48:01 AM eth0 275.78 158.95 898.87 63.41 0.00 0.00 0.00 0.00 10:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:49:01 AM eth0 67.98 45.42 928.20 7.38 0.00 0.00 0.00 0.00 10:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 AM eth0 176.92 144.72 1849.79 34.67 0.00 0.00 0.00 0.00 10:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 AM lo 28.84 28.84 7.37 7.37 0.00 0.00 0.00 0.00 10:51:01 AM eth0 285.19 213.44 2964.22 62.14 0.00 0.00 0.00 0.00 10:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 AM lo 2.88 2.88 0.91 0.91 0.00 0.00 0.00 0.00 10:52:01 AM eth0 81.17 68.99 278.51 931.34 0.00 0.00 0.00 0.00 10:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.34 6.34 1.65 1.65 0.00 0.00 0.00 0.00 Average: eth0 177.42 126.31 1383.99 219.75 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) 10:46:31 LINUX RESTART (4 CPU) 10:47:01 AM CPU %user %nice %system %iowait %steal %idle 10:48:01 AM all 15.92 0.00 2.92 2.15 0.02 78.99 10:48:01 AM 0 14.13 0.00 3.40 3.72 0.02 78.73 10:48:01 AM 1 20.23 0.00 2.88 0.85 0.03 76.00 10:48:01 AM 2 17.28 0.00 3.01 2.76 0.02 76.94 10:48:01 AM 3 12.01 0.00 2.38 1.29 0.02 84.31 10:49:01 AM all 10.99 0.00 1.04 0.41 0.01 87.55 10:49:01 AM 0 17.69 0.00 1.55 0.72 0.00 80.04 10:49:01 AM 1 8.80 0.00 1.24 0.17 0.02 89.78 10:49:01 AM 2 12.10 0.00 0.82 0.45 0.02 86.61 10:49:01 AM 3 5.36 0.00 0.55 0.28 0.00 93.80 10:50:01 AM all 20.46 0.00 2.19 1.24 0.01 76.11 10:50:01 AM 0 31.68 0.00 2.54 0.87 0.03 64.87 10:50:01 AM 1 18.54 0.00 1.77 1.24 0.00 78.46 10:50:01 AM 2 15.41 0.00 2.58 1.57 0.00 80.44 10:50:01 AM 3 16.18 0.00 1.88 1.27 0.00 80.67 10:51:01 AM all 45.33 0.00 1.97 0.61 0.02 52.07 10:51:01 AM 0 53.95 0.00 1.05 0.10 0.02 44.88 10:51:01 AM 1 49.74 0.00 2.01 0.89 0.02 47.35 10:51:01 AM 2 40.09 0.00 2.39 0.67 0.02 56.84 10:51:01 AM 3 37.54 0.00 2.44 0.80 0.02 59.20 10:52:01 AM all 19.20 0.00 1.82 0.32 0.02 78.64 10:52:01 AM 0 22.23 0.00 1.80 0.13 0.02 75.82 10:52:01 AM 1 19.44 0.00 1.52 0.08 0.02 78.95 10:52:01 AM 2 11.04 0.00 1.60 0.18 0.02 87.15 10:52:01 AM 3 24.10 0.00 2.37 0.87 0.02 72.64 Average: all 22.38 0.00 1.99 0.95 0.01 74.67 Average: 0 27.94 0.00 2.07 1.11 0.02 68.86 Average: 1 23.34 0.00 1.88 0.64 0.02 74.11 Average: 2 19.18 0.00 2.08 1.13 0.01 77.60 Average: 3 19.05 0.00 1.92 0.90 0.01 78.11