---> uname -a: Linux prd-centos8-docker-4c-4g-1174.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 768 12088 20 2904 14654 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:6a:9c:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.97/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe6a:9c40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b9:86:f4:54 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) 10/13/2026 _x86_64_ (4 CPU) 07:44:07 LINUX RESTART (4 CPU) 07:45:01 AM tps rtps wtps bread/s bwrtn/s 07:46:01 AM 139.89 15.19 124.69 3252.52 10940.42 07:47:01 AM 236.25 5.85 230.41 1044.32 18296.37 07:48:01 AM 49.61 2.13 47.48 138.51 9773.60 Average: 141.92 7.73 134.20 1478.52 13003.64 07:45:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:46:01 AM 12855416 14931072 3283900 20.35 2688 2284356 1442048 8.39 157256 2736436 229144 07:47:01 AM 11382792 13757880 4756524 29.47 2688 2576644 2348056 13.66 254532 4072764 11692 07:48:01 AM 12433288 15061312 3706028 22.96 2688 2827324 1165892 6.78 539660 2739812 5836 Average: 12223832 14583421 3915484 24.26 2688 2562775 1651999 9.61 317149 3183004 82224 07:45:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 AM eth0 144.72 95.17 1857.99 22.08 0.00 0.00 0.00 0.00 07:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 AM lo 15.81 15.81 2.65 2.65 0.00 0.00 0.00 0.00 07:47:01 AM eth0 330.74 265.28 4102.77 83.29 0.00 0.00 0.00 0.00 07:47:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 AM lo 15.83 15.83 5.63 5.63 0.00 0.00 0.00 0.00 07:48:01 AM eth0 128.96 104.15 295.26 955.29 0.00 0.00 0.00 0.00 07:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.55 10.55 2.76 2.76 0.00 0.00 0.00 0.00 Average: eth0 201.48 154.87 2085.44 353.52 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) 10/13/2026 _x86_64_ (4 CPU) 07:44:07 LINUX RESTART (4 CPU) 07:45:01 AM CPU %user %nice %system %iowait %steal %idle 07:46:01 AM all 22.40 0.00 2.17 0.96 0.04 74.44 07:46:01 AM 0 8.39 0.00 1.50 0.65 0.03 89.42 07:46:01 AM 1 40.99 0.00 3.08 1.25 0.05 54.63 07:46:01 AM 2 26.44 0.00 2.56 1.20 0.05 69.74 07:46:01 AM 3 13.75 0.00 1.52 0.72 0.03 83.97 07:47:01 AM all 55.44 0.00 2.65 1.36 0.06 40.49 07:47:01 AM 0 61.63 0.00 2.02 0.85 0.07 35.43 07:47:01 AM 1 54.33 0.00 3.06 1.56 0.05 41.00 07:47:01 AM 2 62.69 0.00 1.99 0.99 0.05 34.28 07:47:01 AM 3 43.10 0.00 3.52 2.06 0.08 51.24 07:48:01 AM all 22.55 0.00 1.89 0.49 0.04 75.02 07:48:01 AM 0 36.48 0.00 2.48 0.72 0.03 60.29 07:48:01 AM 1 29.74 0.00 2.12 0.79 0.05 67.30 07:48:01 AM 2 13.12 0.00 1.50 0.05 0.05 85.27 07:48:01 AM 3 10.88 0.00 1.47 0.42 0.02 87.22 Average: all 33.46 0.00 2.24 0.94 0.05 63.32 Average: 0 35.50 0.00 2.00 0.74 0.04 61.71 Average: 1 41.68 0.00 2.75 1.20 0.05 54.31 Average: 2 34.07 0.00 2.02 0.75 0.05 63.12 Average: 3 22.57 0.00 2.17 1.07 0.04 74.15