---> uname -a: Linux prd-centos8-docker-4c-4g-153.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 766 12089 20 2904 14656 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:21:e8:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.153/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe21:e8d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0f:cc:26:05 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) 10/08/2026 _x86_64_ (4 CPU) 13:22:48 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 320.31 92.24 228.07 11455.73 42800.51 01:25:01 PM 268.62 15.83 252.79 3132.70 16609.06 01:26:01 PM 69.78 5.31 64.47 1061.74 9054.26 Average: 218.98 37.48 181.50 5181.20 22707.43 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13373144 15115072 2766172 17.14 2688 1959556 1117844 6.50 139160 2274868 165128 01:25:01 PM 12476000 14805712 3663316 22.70 2688 2532488 1348748 7.85 195772 3050024 243380 01:26:01 PM 11370412 13748488 4768904 29.55 2688 2579632 2809684 16.35 255568 4086380 2840 Average: 12406519 14556424 3732797 23.13 2688 2357225 1758759 10.23 196833 3137091 137116 01:23:02 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 317.53 186.99 1674.25 67.36 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 399.82 302.32 4864.58 50.96 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 30.59 30.59 8.20 8.20 0.00 0.00 0.00 0.00 01:26:01 PM eth0 88.16 69.15 194.11 69.17 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 10.26 10.26 2.75 2.75 0.00 0.00 0.00 0.00 Average: eth0 268.20 186.13 2247.15 62.47 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) 10/08/2026 _x86_64_ (4 CPU) 13:22:48 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.69 0.00 4.78 4.89 0.03 65.60 01:24:01 PM 0 15.33 0.00 4.14 6.44 0.03 74.06 01:24:01 PM 1 25.90 0.00 4.44 3.44 0.02 66.20 01:24:01 PM 2 31.99 0.00 5.49 4.14 0.05 58.33 01:24:01 PM 3 25.54 0.00 5.05 5.55 0.03 63.83 01:25:01 PM all 26.53 0.00 2.92 1.31 0.03 69.21 01:25:01 PM 0 27.04 0.00 1.87 0.42 0.03 70.64 01:25:01 PM 1 21.45 0.00 3.82 2.51 0.03 72.18 01:25:01 PM 2 29.73 0.00 3.31 1.42 0.03 65.50 01:25:01 PM 3 27.87 0.00 2.68 0.89 0.02 68.54 01:26:01 PM all 48.07 0.00 1.69 0.34 0.03 49.87 01:26:01 PM 0 48.07 0.00 2.25 0.52 0.03 49.12 01:26:01 PM 1 36.31 0.00 1.79 0.37 0.02 61.51 01:26:01 PM 2 53.49 0.00 1.39 0.17 0.03 44.92 01:26:01 PM 3 54.39 0.00 1.32 0.32 0.05 43.93 Average: all 33.16 0.00 3.12 2.16 0.03 61.53 Average: 0 30.26 0.00 2.74 2.43 0.03 64.54 Average: 1 27.91 0.00 3.34 2.10 0.02 66.63 Average: 2 38.45 0.00 3.38 1.90 0.04 56.23 Average: 3 36.02 0.00 3.00 2.23 0.03 58.71