---> uname -a: Linux prd-centos8-docker-4c-4g-1354.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 776 12200 20 2784 14645 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:96:1c:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.138/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86003sec preferred_lft 86003sec inet6 fe80::f816:3eff:fe96:1c8c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0d:69:47:5d 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) 09/14/2026 _x86_64_ (4 CPU) 13:29:13 LINUX RESTART (4 CPU) 01:30:01 PM tps rtps wtps bread/s bwrtn/s 01:31:01 PM 50.63 0.00 50.63 0.00 4489.09 01:32:01 PM 207.86 20.17 187.69 4023.05 14884.86 01:33:01 PM 102.22 1.67 100.55 111.79 11656.01 01:34:01 PM 9.08 0.00 9.08 0.00 355.50 01:35:01 PM 5.10 2.97 2.13 168.61 220.76 Average: 74.99 4.96 70.03 860.85 6322.17 01:30:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:31:01 PM 13353948 15110148 2785368 17.26 2688 1972944 1097076 6.38 145316 2282452 135960 01:32:01 PM 12283176 14513888 3856140 23.89 2688 2434220 1889820 11.00 213072 3225156 104148 01:33:01 PM 10579092 13038640 5560224 34.45 2688 2659348 2837592 16.51 261444 4862576 2100 01:34:01 PM 10513776 12977276 5625540 34.86 2688 2663204 2869156 16.69 261480 4927468 1436 01:35:01 PM 8400392 10877668 7738924 47.95 2688 2676624 4919820 28.62 275072 7019776 4168 Average: 11026077 13303524 5113239 31.68 2688 2481268 2722693 15.84 231277 4463486 49562 01:30:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 192.29 146.50 722.41 11.53 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 229.13 190.59 2491.57 31.39 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:33:01 PM eth0 241.44 193.10 3391.90 60.49 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:34:01 PM eth0 266.34 168.11 121.90 104.74 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 6.10 6.10 0.78 0.78 0.00 0.00 0.00 0.00 01:35:01 PM eth0 38.90 30.59 16.53 22.22 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 Average: lo 1.22 1.22 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 193.63 145.79 1349.08 46.08 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) 09/14/2026 _x86_64_ (4 CPU) 13:29:13 LINUX RESTART (4 CPU) 01:30:01 PM CPU %user %nice %system %iowait %steal %idle 01:31:01 PM all 5.48 0.00 0.71 0.24 0.02 93.55 01:31:01 PM 0 6.28 0.00 0.53 0.12 0.02 93.05 01:31:01 PM 1 8.61 0.00 1.24 0.30 0.02 89.84 01:31:01 PM 2 5.12 0.00 0.54 0.25 0.02 94.07 01:31:01 PM 3 1.92 0.00 0.55 0.28 0.02 97.23 01:32:01 PM all 34.06 0.00 2.32 0.99 0.02 62.62 01:32:01 PM 0 28.38 0.00 2.10 0.95 0.02 68.54 01:32:01 PM 1 48.85 0.00 3.04 0.89 0.02 47.21 01:32:01 PM 2 27.39 0.00 2.09 0.95 0.02 69.55 01:32:01 PM 3 31.63 0.00 2.02 1.15 0.02 65.18 01:33:01 PM all 64.64 0.00 1.95 0.43 0.03 32.94 01:33:01 PM 0 67.12 0.00 1.48 0.33 0.05 31.01 01:33:01 PM 1 57.10 0.00 2.17 0.48 0.03 40.22 01:33:01 PM 2 67.16 0.00 2.67 0.62 0.02 29.53 01:33:01 PM 3 67.19 0.00 1.49 0.30 0.03 30.99 01:34:01 PM all 15.27 0.00 1.42 0.04 0.02 83.25 01:34:01 PM 0 19.56 0.00 1.02 0.00 0.03 79.39 01:34:01 PM 1 11.46 0.00 1.69 0.15 0.02 86.69 01:34:01 PM 2 12.80 0.00 1.97 0.00 0.02 85.21 01:34:01 PM 3 17.27 0.00 1.00 0.00 0.02 81.71 01:35:01 PM all 46.19 0.00 1.21 0.03 0.02 52.54 01:35:01 PM 0 46.16 0.00 1.42 0.05 0.02 52.35 01:35:01 PM 1 54.96 0.00 1.85 0.08 0.02 43.08 01:35:01 PM 2 44.58 0.00 0.80 0.00 0.03 54.58 01:35:01 PM 3 39.08 0.00 0.77 0.00 0.00 60.16 Average: all 33.14 0.00 1.52 0.35 0.02 64.97 Average: 0 33.51 0.00 1.31 0.29 0.03 64.86 Average: 1 36.20 0.00 2.00 0.38 0.02 61.40 Average: 2 31.43 0.00 1.62 0.36 0.02 66.57 Average: 3 31.42 0.00 1.17 0.35 0.02 67.05