---> uname -a: Linux prd-centos8-docker-4c-4g-7092.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 795 12171 20 2793 14625 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:9f:75:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86038sec preferred_lft 86038sec inet6 fe80::f816:3eff:fe9f:754d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ce:4a:3c:07 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) 10/05/2026 _x86_64_ (4 CPU) 05:23:59 LINUX RESTART (4 CPU) 05:25:01 AM tps rtps wtps bread/s bwrtn/s 05:26:01 AM 224.16 19.97 204.20 4015.72 14843.03 05:27:01 AM 96.93 1.88 95.05 117.43 8431.64 05:28:01 AM 22.43 0.05 22.38 1.07 6507.61 05:29:01 AM 3.23 1.85 1.38 54.26 296.58 05:30:01 AM 21.71 1.57 20.15 170.37 1199.27 Average: 73.71 5.06 68.65 872.13 6256.85 05:25:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:26:01 AM 12087496 14319652 4051820 25.11 2688 2436156 1882836 10.95 205908 3432052 185844 05:27:01 AM 10728832 13195304 5410484 33.52 2688 2666304 2780120 16.17 261748 4713400 187188 05:28:01 AM 10156400 12626472 5982916 37.07 2688 2669844 3171232 18.45 261856 5285164 920 05:29:01 AM 8952744 11433504 7186572 44.53 2688 2680444 4330912 25.20 266316 6480324 1732 05:30:01 AM 12450672 14962592 3688644 22.86 2688 2709232 1165668 6.78 473648 2781028 26804 Average: 10875229 13307505 5264087 32.62 2688 2632396 2666154 15.51 293895 4538394 80498 05:25:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM eth0 235.92 201.58 2648.35 31.61 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM eth0 240.94 189.72 3393.40 29.25 0.00 0.00 0.00 0.00 05:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:01 AM eth0 221.49 137.37 89.81 89.42 0.00 0.00 0.00 0.00 05:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 AM eth0 131.96 89.65 57.36 57.71 0.00 0.00 0.00 0.00 05:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 AM lo 6.52 6.52 0.80 0.80 0.00 0.00 0.00 0.00 05:30:01 AM eth0 25.05 20.30 53.36 9.35 0.00 0.00 0.00 0.00 05:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 171.08 127.74 1248.68 43.47 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) 10/05/2026 _x86_64_ (4 CPU) 05:23:59 LINUX RESTART (4 CPU) 05:25:01 AM CPU %user %nice %system %iowait %steal %idle 05:26:01 AM all 30.84 0.00 2.46 1.22 0.02 65.46 05:26:01 AM 0 27.86 0.00 2.81 1.47 0.02 67.85 05:26:01 AM 1 30.32 0.00 1.47 0.52 0.02 67.67 05:26:01 AM 2 26.37 0.00 1.89 1.39 0.02 70.33 05:26:01 AM 3 38.79 0.00 3.68 1.49 0.03 56.00 05:27:01 AM all 61.75 0.00 1.74 0.46 0.03 36.02 05:27:01 AM 0 65.59 0.00 1.57 0.57 0.03 32.24 05:27:01 AM 1 62.70 0.00 1.52 0.38 0.05 35.35 05:27:01 AM 2 53.71 0.00 1.99 0.40 0.02 43.88 05:27:01 AM 3 64.98 0.00 1.87 0.48 0.02 32.64 05:28:01 AM all 22.31 0.00 1.50 0.15 0.02 76.03 05:28:01 AM 0 20.07 0.00 1.52 0.03 0.02 78.36 05:28:01 AM 1 22.84 0.00 1.60 0.03 0.02 75.50 05:28:01 AM 2 17.99 0.00 1.81 0.25 0.02 79.94 05:28:01 AM 3 28.33 0.00 1.05 0.27 0.02 70.34 05:29:01 AM all 35.00 0.00 1.24 0.03 0.01 63.73 05:29:01 AM 0 23.94 0.00 1.27 0.03 0.00 74.76 05:29:01 AM 1 38.44 0.00 1.05 0.00 0.02 60.49 05:29:01 AM 2 24.92 0.00 1.07 0.00 0.00 74.01 05:29:01 AM 3 52.68 0.00 1.57 0.07 0.03 45.65 05:30:01 AM all 45.60 0.00 2.04 0.09 0.03 52.24 05:30:01 AM 0 61.73 0.00 3.02 0.08 0.05 35.12 05:30:01 AM 1 42.11 0.00 1.45 0.12 0.03 56.29 05:30:01 AM 2 38.24 0.00 1.05 0.10 0.03 60.57 05:30:01 AM 3 40.29 0.00 2.64 0.05 0.02 57.00 Average: all 39.10 0.00 1.80 0.39 0.02 58.70 Average: 0 39.85 0.00 2.04 0.44 0.02 57.65 Average: 1 39.29 0.00 1.42 0.21 0.03 59.06 Average: 2 32.25 0.00 1.56 0.43 0.02 65.74 Average: 3 45.01 0.00 2.16 0.47 0.02 52.33