---> uname -a: Linux prd-centos8-docker-4c-4g-5022.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 767 12090 20 2903 14655 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:70:8f:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.118/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86071sec preferred_lft 86071sec inet6 fe80::f816:3eff:fe70:8f9c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9a:ae:63:99 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) 11/02/2026 _x86_64_ (4 CPU) 11:22:52 LINUX RESTART (4 CPU) 11:24:02 AM tps rtps wtps bread/s bwrtn/s 11:25:01 AM 59.78 0.34 59.44 33.07 5627.08 11:26:01 AM 144.73 14.84 129.89 3192.54 12913.08 11:27:01 AM 183.71 6.23 177.47 1056.58 11885.25 11:28:01 AM 41.82 1.45 40.37 91.70 9515.89 Average: 107.71 5.74 101.97 1098.00 10003.68 11:24:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:25:01 AM 13382652 15122044 2756664 17.08 2688 1957324 1106368 6.44 138148 2268356 138044 11:26:01 AM 12872924 14969180 3266392 20.24 2688 2303192 1421572 8.27 186212 2678832 71052 11:27:01 AM 11204240 13579264 4935076 30.58 2688 2575840 2622520 15.26 255408 4248184 2760 11:28:01 AM 12411832 15038184 3727484 23.10 2688 2825412 1138792 6.63 529672 2771224 7512 Average: 12467912 14677168 3671404 22.75 2688 2415442 1572313 9.15 277360 2991649 54842 11:24:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:25:01 AM eth0 65.08 43.14 984.97 6.28 0.00 0.00 0.00 0.00 11:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:26:01 AM eth0 120.89 84.64 1201.72 22.51 0.00 0.00 0.00 0.00 11:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:27:01 AM lo 25.32 25.32 5.87 5.87 0.00 0.00 0.00 0.00 11:27:01 AM eth0 350.95 268.41 3763.54 54.34 0.00 0.00 0.00 0.00 11:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:28:01 AM lo 5.88 5.88 2.38 2.38 0.00 0.00 0.00 0.00 11:28:01 AM eth0 73.49 68.03 270.72 930.09 0.00 0.00 0.00 0.00 11:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.83 7.83 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 152.97 116.36 1557.61 254.33 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) 11/02/2026 _x86_64_ (4 CPU) 11:22:52 LINUX RESTART (4 CPU) 11:24:02 AM CPU %user %nice %system %iowait %steal %idle 11:25:01 AM all 9.57 0.00 0.96 0.30 0.01 89.16 11:25:01 AM 0 5.62 0.00 0.65 0.20 0.00 93.53 11:25:01 AM 1 10.22 0.00 1.00 0.37 0.02 88.39 11:25:01 AM 2 12.17 0.00 1.22 0.32 0.02 86.27 11:25:01 AM 3 10.28 0.00 0.95 0.29 0.02 88.46 11:26:01 AM all 17.80 0.00 1.91 0.87 0.01 79.40 11:26:01 AM 0 12.51 0.00 1.40 0.70 0.00 85.39 11:26:01 AM 1 16.45 0.00 1.67 0.60 0.02 81.26 11:26:01 AM 2 22.21 0.00 2.71 1.09 0.02 73.98 11:26:01 AM 3 20.06 0.00 1.87 1.10 0.00 76.97 11:27:01 AM all 52.71 0.00 2.61 1.08 0.02 43.58 11:27:01 AM 0 37.54 0.00 3.35 1.67 0.02 57.42 11:27:01 AM 1 53.28 0.00 2.83 0.92 0.03 42.94 11:27:01 AM 2 59.61 0.00 2.31 0.52 0.00 37.56 11:27:01 AM 3 60.36 0.00 1.95 1.22 0.02 36.45 11:28:01 AM all 14.55 0.00 1.50 0.53 0.02 83.40 11:28:01 AM 0 12.11 0.00 1.75 0.43 0.02 85.68 11:28:01 AM 1 11.34 0.00 1.96 1.09 0.02 85.60 11:28:01 AM 2 24.00 0.00 1.57 0.47 0.03 73.93 11:28:01 AM 3 10.75 0.00 0.73 0.12 0.02 88.38 Average: all 23.71 0.00 1.75 0.70 0.01 73.83 Average: 0 16.98 0.00 1.79 0.75 0.01 80.47 Average: 1 22.87 0.00 1.87 0.75 0.02 74.50 Average: 2 29.56 0.00 1.95 0.60 0.02 67.87 Average: 3 25.43 0.00 1.38 0.68 0.01 72.49