---> uname -a: Linux prd-centos8-docker-4c-4g-199.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 765 12197 20 2797 14655 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:03:5b:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.252/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85982sec preferred_lft 85982sec inet6 fe80::f816:3eff:fe03:5b83/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:b1:ad:36 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) 09/09/2026 _x86_64_ (4 CPU) 11:41:03 LINUX RESTART (4 CPU) 11:42:01 AM tps rtps wtps bread/s bwrtn/s 11:43:01 AM 134.13 14.68 119.45 3205.33 9580.69 11:44:01 AM 149.23 5.88 143.34 930.47 11398.72 11:45:01 AM 83.42 1.47 81.96 96.88 9964.77 11:46:01 AM 9.66 0.00 9.66 0.00 432.97 11:47:01 AM 4.02 2.77 1.25 136.91 157.67 11:48:01 AM 18.21 0.47 17.75 56.52 1075.80 Average: 66.45 4.21 62.24 737.64 5435.55 11:42:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:43:01 AM 12840972 14942972 3298344 20.44 2688 2309684 1239260 7.21 158400 2744768 239488 11:44:01 AM 11877176 14149344 4262140 26.41 2688 2474952 2026424 11.79 226656 3613904 84552 11:45:01 AM 9984168 12459512 6155148 38.14 2688 2674952 3960760 23.04 265040 5451904 3144 11:46:01 AM 9257584 11738176 6881732 42.64 2688 2680052 4298312 25.01 265476 6177544 1700 11:47:01 AM 8933092 11424500 7206224 44.65 2688 2690628 4441868 25.84 271728 6493356 4184 11:48:01 AM 12514252 15030240 3625064 22.46 2688 2713180 1135156 6.60 475300 2716080 26712 Average: 10901207 13290791 5238109 32.46 2688 2590575 2850297 16.58 277100 4532926 59963 11:42:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 AM eth0 205.55 153.81 1733.43 21.64 0.00 0.00 0.00 0.00 11:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 AM eth0 227.52 194.07 2070.66 30.20 0.00 0.00 0.00 0.00 11:44:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:45:01 AM eth0 238.20 188.39 2990.12 35.24 0.00 0.00 0.00 0.00 11:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:46:01 AM eth0 108.75 80.69 98.70 96.24 0.00 0.00 0.00 0.00 11:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:47:01 AM lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 11:47:01 AM eth0 75.65 66.16 52.98 51.38 0.00 0.00 0.00 0.00 11:47:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:48:01 AM lo 5.42 5.42 0.69 0.69 0.00 0.00 0.00 0.00 11:48:01 AM eth0 23.23 21.25 15.90 19.24 0.00 0.00 0.00 0.00 11:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 146.49 117.40 1160.42 42.32 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) 09/09/2026 _x86_64_ (4 CPU) 11:41:03 LINUX RESTART (4 CPU) 11:42:01 AM CPU %user %nice %system %iowait %steal %idle 11:43:01 AM all 18.28 0.00 1.75 0.62 0.02 79.33 11:43:01 AM 0 23.54 0.00 2.25 0.40 0.02 73.79 11:43:01 AM 1 12.34 0.00 1.50 0.75 0.02 85.39 11:43:01 AM 2 13.16 0.00 1.32 0.89 0.03 84.60 11:43:01 AM 3 24.07 0.00 1.93 0.45 0.02 73.54 11:44:01 AM all 37.89 0.00 1.88 0.83 0.03 59.38 11:44:01 AM 0 40.03 0.00 2.51 1.21 0.03 56.21 11:44:01 AM 1 32.88 0.00 1.71 0.79 0.03 64.60 11:44:01 AM 2 43.65 0.00 1.86 0.90 0.03 53.55 11:44:01 AM 3 35.00 0.00 1.44 0.40 0.03 63.13 11:45:01 AM all 68.64 0.00 2.10 0.36 0.04 28.86 11:45:01 AM 0 80.08 0.00 1.96 0.13 0.03 17.79 11:45:01 AM 1 76.17 0.00 1.66 0.32 0.03 21.82 11:45:01 AM 2 65.97 0.00 2.04 0.27 0.03 31.68 11:45:01 AM 3 52.28 0.00 2.75 0.72 0.05 44.20 11:46:01 AM all 30.87 0.00 1.35 0.03 0.02 67.72 11:46:01 AM 0 32.72 0.00 1.50 0.05 0.02 65.71 11:46:01 AM 1 29.21 0.00 1.44 0.05 0.03 69.27 11:46:01 AM 2 34.45 0.00 1.00 0.02 0.02 64.51 11:46:01 AM 3 27.13 0.00 1.47 0.02 0.02 71.37 11:47:01 AM all 29.15 0.00 1.10 0.02 0.02 69.71 11:47:01 AM 0 38.21 0.00 1.37 0.05 0.02 60.35 11:47:01 AM 1 24.82 0.00 1.37 0.02 0.02 73.78 11:47:01 AM 2 27.43 0.00 1.04 0.00 0.02 71.51 11:47:01 AM 3 26.13 0.00 0.63 0.02 0.02 73.21 11:48:01 AM all 39.31 0.00 1.98 0.07 0.01 58.63 11:48:01 AM 0 57.55 0.00 2.29 0.12 0.02 40.03 11:48:01 AM 1 36.81 0.00 2.24 0.02 0.02 60.92 11:48:01 AM 2 29.62 0.00 1.39 0.02 0.00 68.97 11:48:01 AM 3 33.23 0.00 1.99 0.13 0.00 64.65 Average: all 37.34 0.00 1.69 0.32 0.02 60.62 Average: 0 45.35 0.00 1.98 0.33 0.02 52.33 Average: 1 35.35 0.00 1.65 0.32 0.03 62.65 Average: 2 35.70 0.00 1.44 0.35 0.02 62.49 Average: 3 32.96 0.00 1.70 0.29 0.02 65.03