---> uname -a: Linux prd-centos8-docker-4c-4g-960.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: 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): 0-3 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 761 12212 20 2786 14659 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:52:2e:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fe52:2e57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:04:f9:bd:63 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) 10/12/2026 _x86_64_ (4 CPU) 16:17:15 LINUX RESTART (4 CPU) 04:18:01 PM tps rtps wtps bread/s bwrtn/s 04:19:01 PM 198.72 18.86 179.86 3493.37 11897.98 04:20:01 PM 136.48 3.07 133.42 764.55 11311.88 04:21:01 PM 27.92 0.05 27.87 1.07 7524.68 04:22:01 PM 4.82 1.70 3.12 51.05 278.09 04:23:01 PM 17.58 1.65 15.93 145.18 1009.52 Average: 77.11 5.06 72.04 891.06 6404.77 04:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:19:01 PM 12670016 14829448 3469292 21.50 2688 2365024 1286244 7.48 166720 2898408 242196 04:20:01 PM 10847128 13305940 5292180 32.79 2688 2659056 2573836 14.97 256520 4600232 215000 04:21:01 PM 10171360 12634588 5967948 36.98 2688 2663276 3073828 17.88 261884 5269396 800 04:22:01 PM 9272052 11744644 6867256 42.55 2688 2672352 3908364 22.74 265864 6161340 1920 04:23:01 PM 12527292 15031448 3612016 22.38 2688 2701920 1143252 6.65 472484 2705332 29392 Average: 11097570 13509214 5041738 31.24 2688 2612326 2397105 13.95 284694 4326942 97862 04:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM eth0 195.28 152.62 2472.92 27.92 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM eth0 296.30 233.50 4101.51 33.67 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM eth0 195.80 125.84 86.18 85.83 0.00 0.00 0.00 0.00 04:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM eth0 145.13 94.67 56.83 55.89 0.00 0.00 0.00 0.00 04:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 PM lo 6.38 6.38 0.79 0.79 0.00 0.00 0.00 0.00 04:23:01 PM eth0 26.53 22.95 52.23 11.13 0.00 0.00 0.00 0.00 04:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 171.82 125.92 1354.07 42.89 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) 10/12/2026 _x86_64_ (4 CPU) 16:17:15 LINUX RESTART (4 CPU) 04:18:01 PM CPU %user %nice %system %iowait %steal %idle 04:19:01 PM all 25.22 0.00 2.42 1.02 0.03 71.30 04:19:01 PM 0 25.73 0.00 2.72 0.85 0.05 70.65 04:19:01 PM 1 27.09 0.00 2.72 1.20 0.02 68.98 04:19:01 PM 2 13.56 0.00 1.84 1.14 0.02 83.45 04:19:01 PM 3 34.49 0.00 2.41 0.89 0.05 62.17 04:20:01 PM all 64.98 0.00 2.02 0.51 0.03 32.46 04:20:01 PM 0 69.58 0.00 1.33 0.18 0.05 28.85 04:20:01 PM 1 58.38 0.00 2.84 0.75 0.03 38.00 04:20:01 PM 2 62.85 0.00 2.09 0.68 0.03 34.35 04:20:01 PM 3 69.09 0.00 1.84 0.42 0.02 28.64 04:21:01 PM all 29.49 0.00 1.51 0.18 0.03 68.79 04:21:01 PM 0 34.15 0.00 0.97 0.07 0.03 64.78 04:21:01 PM 1 22.60 0.00 2.29 0.58 0.02 74.51 04:21:01 PM 2 28.46 0.00 1.47 0.03 0.03 70.00 04:21:01 PM 3 32.74 0.00 1.30 0.05 0.02 65.89 04:22:01 PM all 32.22 0.00 1.26 0.03 0.03 66.47 04:22:01 PM 0 18.95 0.00 1.29 0.00 0.02 79.75 04:22:01 PM 1 39.62 0.00 1.39 0.08 0.02 58.90 04:22:01 PM 2 44.79 0.00 1.34 0.03 0.05 53.79 04:22:01 PM 3 25.54 0.00 1.02 0.00 0.02 73.43 04:23:01 PM all 49.27 0.00 1.90 0.07 0.05 48.71 04:23:01 PM 0 46.51 0.00 2.03 0.03 0.03 51.39 04:23:01 PM 1 50.58 0.00 2.32 0.07 0.03 47.00 04:23:01 PM 2 47.68 0.00 1.20 0.08 0.07 50.97 04:23:01 PM 3 52.33 0.00 2.05 0.10 0.05 45.47 Average: all 40.24 0.00 1.82 0.36 0.03 57.54 Average: 0 38.99 0.00 1.67 0.23 0.04 59.08 Average: 1 39.65 0.00 2.31 0.54 0.02 57.48 Average: 2 39.49 0.00 1.59 0.39 0.04 58.49 Average: 3 42.84 0.00 1.72 0.29 0.03 55.12