---> uname -a: Linux prd-centos8-docker-4c-4g-7148.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 764 12090 20 2905 14657 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:21:77:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe21:7797/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:93:ba:aa 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) 09:17:17 LINUX RESTART (4 CPU) 09:18:01 AM tps rtps wtps bread/s bwrtn/s 09:19:01 AM 78.87 0.45 78.42 34.52 6870.26 09:20:01 AM 278.23 19.42 258.82 4130.02 15409.98 09:21:01 AM 54.21 3.15 51.07 155.84 8152.40 Average: 137.11 7.67 129.44 1440.29 10144.65 09:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:19:01 AM 13154068 15051052 2985240 18.50 2688 2109888 1159300 6.74 152284 2462364 265548 09:20:01 AM 11597516 13970852 4541792 28.14 2688 2575304 2128348 12.38 241404 3872644 227636 09:21:01 AM 12448344 15075500 3690964 22.87 2688 2826896 1124856 6.54 353492 2908888 262664 Average: 12399976 14699135 3739332 23.17 2688 2504029 1470835 8.56 249060 3081299 251949 09:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 AM eth0 97.23 59.10 1347.78 16.08 0.00 0.00 0.00 0.00 09:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 09:20:01 AM eth0 447.31 334.27 4615.03 68.41 0.00 0.00 0.00 0.00 09:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM lo 32.17 32.17 8.33 8.33 0.00 0.00 0.00 0.00 09:21:01 AM eth0 108.56 92.69 291.11 960.12 0.00 0.00 0.00 0.00 09:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.78 10.78 2.78 2.78 0.00 0.00 0.00 0.00 Average: eth0 217.71 162.03 2084.66 348.29 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) 09:17:17 LINUX RESTART (4 CPU) 09:18:01 AM CPU %user %nice %system %iowait %steal %idle 09:19:01 AM all 15.33 0.00 1.44 2.70 0.01 80.52 09:19:01 AM 0 16.95 0.00 2.02 0.25 0.02 80.77 09:19:01 AM 1 5.32 0.00 0.80 5.21 0.00 88.67 09:19:01 AM 2 24.58 0.00 1.90 0.67 0.02 72.83 09:19:01 AM 3 14.46 0.00 1.04 4.66 0.02 79.82 09:20:01 AM all 46.41 0.00 3.18 1.63 0.05 48.74 09:20:01 AM 0 49.77 0.00 4.11 1.89 0.05 44.18 09:20:01 AM 1 47.67 0.00 2.64 1.57 0.03 48.09 09:20:01 AM 2 48.01 0.00 1.84 0.87 0.05 49.23 09:20:01 AM 3 40.17 0.00 4.12 2.19 0.05 53.47 09:21:01 AM all 31.53 0.00 2.08 0.33 0.02 66.04 09:21:01 AM 0 24.79 0.00 2.30 0.97 0.02 71.92 09:21:01 AM 1 27.31 0.00 2.57 0.12 0.02 69.98 09:21:01 AM 2 39.34 0.00 2.29 0.23 0.03 58.11 09:21:01 AM 3 34.67 0.00 1.15 0.02 0.02 64.15 Average: all 31.08 0.00 2.23 1.55 0.03 65.11 Average: 0 30.49 0.00 2.81 1.04 0.03 65.64 Average: 1 26.76 0.00 2.01 2.30 0.02 68.91 Average: 2 37.30 0.00 2.01 0.59 0.03 60.06 Average: 3 29.76 0.00 2.10 2.29 0.03 65.82