---> uname -a: Linux prd-centos8-docker-4c-4g-7058.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: 2800.012 BogoMIPS: 5600.02 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 758 12097 20 2905 14664 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:59:20:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.110/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe59:2089/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a2:b8:48:9d 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) 01:24:49 LINUX RESTART (4 CPU) 01:25:01 AM tps rtps wtps bread/s bwrtn/s 01:26:01 AM 238.17 95.38 142.79 10907.58 40274.81 01:27:01 AM 121.71 14.53 107.18 3097.52 9166.88 01:28:01 AM 217.33 5.82 211.51 1065.02 11269.32 01:29:01 AM 52.33 1.47 50.87 85.30 8052.93 Average: 157.38 29.30 128.08 3788.94 17190.90 01:25:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:26:01 AM 13545248 15117248 2594060 16.07 2688 1799516 1158696 6.74 139004 2138256 46004 01:27:01 AM 12926052 14998240 3213256 19.91 2688 2281472 1435868 8.35 152552 2675132 230796 01:28:01 AM 11525128 13899500 4614180 28.59 2688 2576412 2195224 12.77 240864 3947540 220740 01:29:01 AM 12377704 15005152 3761604 23.31 2688 2827444 1156052 6.73 525816 2809084 264356 Average: 12593533 14755035 3545775 21.97 2688 2371211 1486460 8.65 264559 2892503 190474 01:25:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 AM eth0 248.88 176.81 975.18 68.67 0.00 0.00 0.00 0.00 01:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 143.76 100.22 1584.18 14.22 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 1.35 1.35 0.12 0.12 0.00 0.00 0.00 0.00 01:28:01 AM eth0 379.20 273.99 4119.43 71.90 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 30.62 30.62 8.18 8.18 0.00 0.00 0.00 0.00 01:29:01 AM eth0 81.49 64.30 284.01 37.53 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.99 7.99 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 213.32 153.82 1740.59 48.08 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) 10/05/2026 _x86_64_ (4 CPU) 01:24:49 LINUX RESTART (4 CPU) 01:25:01 AM CPU %user %nice %system %iowait %steal %idle 01:26:01 AM all 19.15 0.01 4.54 7.20 0.02 69.09 01:26:01 AM 0 15.06 0.00 5.30 3.81 0.02 75.81 01:26:01 AM 1 22.54 0.03 3.50 7.98 0.02 65.92 01:26:01 AM 2 25.62 0.02 4.61 8.32 0.02 61.42 01:26:01 AM 3 13.35 0.00 4.73 8.70 0.02 73.21 01:27:01 AM all 15.81 0.00 1.60 1.99 0.01 80.59 01:27:01 AM 0 7.68 0.00 0.92 1.07 0.00 90.33 01:27:01 AM 1 8.79 0.00 0.89 1.07 0.00 89.25 01:27:01 AM 2 40.31 0.00 3.68 5.55 0.02 50.44 01:27:01 AM 3 6.47 0.00 0.92 0.28 0.02 92.31 01:28:01 AM all 50.50 0.00 2.76 2.34 0.03 44.37 01:28:01 AM 0 52.48 0.00 2.87 2.59 0.03 42.02 01:28:01 AM 1 49.92 0.00 2.95 1.66 0.03 45.44 01:28:01 AM 2 49.40 0.00 1.96 1.14 0.02 47.49 01:28:01 AM 3 50.18 0.00 3.27 3.97 0.03 42.55 01:29:01 AM all 28.19 0.00 2.30 0.89 0.02 68.61 01:29:01 AM 0 27.28 0.00 2.44 1.57 0.02 68.69 01:29:01 AM 1 23.69 0.00 2.46 0.62 0.02 73.22 01:29:01 AM 2 30.39 0.00 2.47 0.82 0.03 66.29 01:29:01 AM 3 31.39 0.00 1.82 0.53 0.00 66.25 Average: all 28.41 0.00 2.80 3.10 0.02 65.67 Average: 0 25.64 0.00 2.88 2.26 0.02 69.21 Average: 1 26.23 0.01 2.45 2.83 0.02 68.47 Average: 2 36.43 0.00 3.18 3.95 0.02 56.41 Average: 3 25.35 0.00 2.68 3.36 0.02 68.58