---> uname -a: Linux prd-centos8-docker-4c-4g-16387.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: 2799.996 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 819 12040 20 2900 14602 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:94:92:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.15/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe94:92f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:70:a6:a3:67 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) 08/29/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 239.01 21.86 217.16 5660.65 9655.94 01:25:01 PM 272.73 20.53 252.20 4178.07 15381.26 01:26:01 PM 36.69 0.55 36.14 16.80 7915.38 Average: 182.82 14.31 168.51 3285.49 10984.29 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13115764 15034576 3023552 18.73 2688 2129392 1196440 6.96 152188 2495140 288980 01:25:01 PM 11582224 13952328 4557092 28.24 2688 2571900 2147708 12.50 246912 3883784 224700 01:26:01 PM 11230340 13603984 4908976 30.42 2688 2575196 2619776 15.24 255320 4226308 1260 Average: 11976109 14196963 4163207 25.80 2688 2425496 1987975 11.57 218140 3535077 171647 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 284.41 199.32 2013.49 68.12 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 1.35 1.35 0.12 0.12 0.00 0.00 0.00 0.00 01:25:01 PM eth0 357.60 302.38 4623.77 58.44 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 27.03 27.03 5.91 5.91 0.00 0.00 0.00 0.00 01:26:01 PM eth0 35.71 25.60 19.45 26.72 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.46 9.46 2.01 2.01 0.00 0.00 0.00 0.00 Average: eth0 225.92 175.77 2219.02 51.09 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) 08/29/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.57 0.00 2.92 1.13 0.01 69.37 01:24:01 PM 0 41.15 0.00 4.16 0.60 0.02 54.07 01:24:01 PM 1 20.07 0.00 2.54 2.19 0.02 75.18 01:24:01 PM 2 31.29 0.00 3.23 1.32 0.02 64.14 01:24:01 PM 3 13.71 0.00 1.74 0.40 0.00 84.15 01:25:01 PM all 49.36 0.00 3.01 1.53 0.01 46.08 01:25:01 PM 0 49.68 0.00 2.36 0.74 0.02 47.21 01:25:01 PM 1 55.74 0.00 2.96 2.15 0.00 39.15 01:25:01 PM 2 45.02 0.00 3.57 1.37 0.02 50.03 01:25:01 PM 3 46.99 0.00 3.17 1.86 0.02 47.96 01:26:01 PM all 15.58 0.00 0.85 0.27 0.01 83.30 01:26:01 PM 0 17.05 0.00 0.90 0.02 0.00 82.03 01:26:01 PM 1 20.20 0.00 0.35 0.02 0.02 79.41 01:26:01 PM 2 13.42 0.00 1.07 0.42 0.00 85.09 01:26:01 PM 3 11.62 0.00 1.07 0.62 0.02 86.67 Average: all 30.49 0.00 2.26 0.98 0.01 66.26 Average: 0 35.96 0.00 2.47 0.45 0.01 61.11 Average: 1 32.01 0.00 1.95 1.45 0.01 64.58 Average: 2 29.90 0.00 2.62 1.04 0.01 66.43 Average: 3 24.09 0.00 1.99 0.96 0.01 72.95