---> uname -a: Linux prd-centos8-docker-4c-4g-1385.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 769 12194 20 2796 14651 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:ae:cc:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.113/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85934sec preferred_lft 85934sec inet6 fe80::f816:3eff:feae:cc30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a6:fb:6b:85 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) 11/06/2026 _x86_64_ (4 CPU) 13:27:59 LINUX RESTART (4 CPU) 01:29:01 PM tps rtps wtps bread/s bwrtn/s 01:30:01 PM 62.65 2.78 59.86 343.09 6020.14 01:31:01 PM 110.35 14.60 95.75 3099.23 8180.56 01:32:01 PM 171.63 7.75 163.88 1149.22 11281.26 01:33:01 PM 43.32 2.80 40.52 176.74 7960.93 01:34:01 PM 16.53 0.00 16.53 0.00 535.27 01:35:01 PM 10.71 0.13 10.58 3.20 250.13 01:36:01 PM 20.08 1.33 18.75 123.31 1796.55 Average: 62.18 4.20 57.98 699.24 5146.25 01:29:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 PM 13366292 15125640 2773024 17.18 2688 1976424 1087132 6.32 146196 2272504 136800 01:31:01 PM 12840144 14941268 3299172 20.44 2688 2307908 1277316 7.43 160452 2743752 197444 01:32:01 PM 12024888 14404984 4114428 25.49 2688 2580728 1642248 9.55 236756 3451152 145116 01:33:01 PM 9510400 11997404 6628916 41.07 2688 2685956 3969148 23.09 275088 5914968 5048 01:34:01 PM 9360788 11852184 6778528 42.00 2688 2690224 4017572 23.37 275256 6063456 932 01:35:01 PM 11285320 13788112 4853996 30.08 2688 2700916 2349400 13.67 279928 4139668 15844 01:36:01 PM 12509844 15024976 3629472 22.49 2688 2712280 1135440 6.61 473640 2724520 7204 Average: 11556811 13876367 4582505 28.39 2688 2522062 2211179 12.86 263902 3901431 72627 01:29:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 PM eth0 59.55 39.94 944.37 5.68 0.00 0.00 0.00 0.00 01:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 PM eth0 87.39 63.71 1011.19 13.08 0.00 0.00 0.00 0.00 01:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 PM eth0 287.69 248.00 3628.37 34.83 0.00 0.00 0.00 0.00 01:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:33:01 PM lo 3.97 3.97 0.60 0.60 0.00 0.00 0.00 0.00 01:33:01 PM eth0 97.65 67.29 1294.03 26.15 0.00 0.00 0.00 0.00 01:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:34:01 PM lo 2.50 2.50 0.20 0.20 0.00 0.00 0.00 0.00 01:34:01 PM eth0 205.00 141.07 81.28 90.36 0.00 0.00 0.00 0.00 01:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:35:01 PM lo 2.66 2.66 0.20 0.20 0.00 0.00 0.00 0.00 01:35:01 PM eth0 129.48 95.02 74.59 43.15 0.00 0.00 0.00 0.00 01:35:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:36:01 PM eth0 17.50 13.55 14.38 6.13 0.00 0.00 0.00 0.00 01:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 126.32 95.51 1006.87 31.34 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) 11/06/2026 _x86_64_ (4 CPU) 13:27:59 LINUX RESTART (4 CPU) 01:29:01 PM CPU %user %nice %system %iowait %steal %idle 01:30:01 PM all 9.84 0.00 0.91 0.47 0.00 88.79 01:30:01 PM 0 12.65 0.00 1.30 0.28 0.00 85.77 01:30:01 PM 1 4.54 0.00 0.43 0.28 0.00 94.74 01:30:01 PM 2 2.83 0.00 0.40 0.33 0.00 96.44 01:30:01 PM 3 19.32 0.00 1.49 0.98 0.00 78.21 01:31:01 PM all 13.41 0.00 1.26 0.63 0.00 84.70 01:31:01 PM 0 16.15 0.00 1.42 0.72 0.02 81.69 01:31:01 PM 1 10.15 0.00 1.17 1.09 0.00 87.59 01:31:01 PM 2 11.49 0.00 0.85 0.37 0.00 87.29 01:31:01 PM 3 15.86 0.00 1.59 0.33 0.00 82.21 01:32:01 PM all 51.29 0.00 2.33 1.44 0.03 44.91 01:32:01 PM 0 50.82 0.00 1.96 1.14 0.02 46.07 01:32:01 PM 1 58.20 0.00 2.51 1.42 0.03 37.84 01:32:01 PM 2 53.34 0.00 2.52 1.20 0.03 42.90 01:32:01 PM 3 42.79 0.00 2.32 1.99 0.05 52.84 01:33:01 PM all 64.46 0.00 1.72 0.25 0.04 33.52 01:33:01 PM 0 62.98 0.00 2.11 0.12 0.03 34.77 01:33:01 PM 1 77.91 0.00 1.99 0.18 0.07 19.85 01:33:01 PM 2 50.02 0.00 1.62 0.48 0.03 47.84 01:33:01 PM 3 66.92 0.00 1.17 0.23 0.03 31.64 01:34:01 PM all 26.27 0.00 2.10 0.03 0.02 71.58 01:34:01 PM 0 23.47 0.00 2.19 0.03 0.02 74.28 01:34:01 PM 1 31.35 0.00 1.84 0.03 0.02 66.76 01:34:01 PM 2 23.62 0.00 2.58 0.02 0.02 73.77 01:34:01 PM 3 26.63 0.00 1.81 0.02 0.03 71.51 01:35:01 PM all 29.25 0.00 1.70 0.11 0.02 68.92 01:35:01 PM 0 26.70 0.00 1.42 0.07 0.00 71.81 01:35:01 PM 1 18.54 0.00 2.19 0.28 0.02 78.97 01:35:01 PM 2 24.00 0.00 1.22 0.02 0.00 74.76 01:35:01 PM 3 47.73 0.00 1.99 0.08 0.05 50.15 01:36:01 PM all 30.25 0.00 1.68 0.20 0.02 67.85 01:36:01 PM 0 20.52 0.00 1.38 0.08 0.02 77.99 01:36:01 PM 1 20.63 0.00 1.20 0.23 0.02 77.92 01:36:01 PM 2 20.53 0.00 0.79 0.33 0.02 78.34 01:36:01 PM 3 59.31 0.00 3.36 0.17 0.03 37.14 Average: all 32.10 0.00 1.67 0.45 0.02 65.76 Average: 0 30.46 0.00 1.68 0.35 0.01 67.49 Average: 1 31.61 0.00 1.62 0.50 0.02 66.25 Average: 2 26.55 0.00 1.43 0.39 0.01 71.62 Average: 3 39.80 0.00 1.96 0.54 0.03 57.67