---> uname -a: Linux prd-centos8-docker-4c-4g-3834.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 819 12048 20 2893 14592 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:12:61:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.13/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe12:6129/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:20:1f:8f:a8 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 inet6 fe80::42:20ff:fe1f:8fa8/64 scope link 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) 09/21/2026 _x86_64_ (4 CPU) 09:17:32 LINUX RESTART (4 CPU) 09:18:01 AM tps rtps wtps bread/s bwrtn/s 09:19:01 AM 210.71 7.86 202.85 1215.33 10188.72 09:20:01 AM 149.93 0.63 149.29 528.80 12879.94 09:21:01 AM 136.22 2.23 133.99 3145.35 19586.27 Average: 165.62 3.58 162.04 1629.77 14218.24 09:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:19:01 AM 12925208 14917088 3214100 19.91 2688 2200300 1437716 8.36 153740 2672036 258488 09:20:01 AM 12586480 14757956 3552828 22.01 2688 2373492 1653948 9.62 204204 2927816 80804 09:21:01 AM 12361632 14969640 3777676 23.41 2688 2797692 1207680 7.03 338816 2971812 7124 Average: 12624440 14881561 3514868 21.78 2688 2457161 1433115 8.34 232253 2857221 115472 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 173.26 107.06 1885.48 42.70 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM eth0 260.39 197.35 1232.64 72.78 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM eth0 127.49 88.45 1917.84 141.89 0.00 0.00 0.00 0.00 09:21:01 AM docker0 43.04 32.26 131.48 9.75 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 187.05 130.96 1678.63 85.79 0.00 0.00 0.00 0.00 Average: docker0 14.34 10.75 43.82 3.25 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) 09/21/2026 _x86_64_ (4 CPU) 09:17:32 LINUX RESTART (4 CPU) 09:18:01 AM CPU %user %nice %system %iowait %steal %idle 09:19:01 AM all 23.68 0.00 2.36 1.11 0.03 72.82 09:19:01 AM 0 31.38 0.00 2.81 0.82 0.03 64.96 09:19:01 AM 1 14.38 0.00 2.21 2.23 0.02 81.17 09:19:01 AM 2 12.67 0.00 1.47 0.65 0.03 85.17 09:19:01 AM 3 36.22 0.00 2.94 0.75 0.03 60.06 09:20:01 AM all 60.20 0.00 3.31 0.63 0.03 35.83 09:20:01 AM 0 60.61 0.00 4.08 0.94 0.03 34.34 09:20:01 AM 1 59.92 0.00 2.47 0.17 0.03 37.41 09:20:01 AM 2 60.19 0.00 3.53 0.55 0.03 35.69 09:20:01 AM 3 60.10 0.00 3.15 0.85 0.03 35.87 09:21:01 AM all 19.63 0.00 3.89 0.87 0.00 75.61 09:21:01 AM 0 14.27 0.00 3.38 0.30 0.00 82.04 09:21:01 AM 1 17.94 0.00 3.92 1.24 0.02 76.89 09:21:01 AM 2 17.28 0.00 3.56 0.74 0.00 78.42 09:21:01 AM 3 29.02 0.00 4.70 1.21 0.00 65.07 Average: all 34.51 0.00 3.18 0.87 0.02 61.41 Average: 0 35.43 0.00 3.42 0.69 0.02 60.44 Average: 1 30.76 0.00 2.87 1.21 0.02 65.14 Average: 2 30.07 0.00 2.85 0.65 0.02 66.41 Average: 3 41.79 0.00 3.59 0.94 0.02 53.66