---> uname -a: Linux prd-centos8-docker-4c-4g-18389.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 808 12056 20 2896 14614 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:8b:70:ce 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 86159sec preferred_lft 86159sec inet6 fe80::f816:3eff:fe8b:70ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:6d:b1:68 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) 09/07/2026 _x86_64_ (4 CPU) 01:27:14 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 181.31 14.65 166.66 3099.90 10704.42 01:30:01 AM 179.16 6.26 172.89 1080.31 16954.97 01:31:01 AM 23.74 0.92 22.83 68.24 503.75 Average: 128.07 7.28 120.79 1416.15 9387.71 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 12771860 14868304 3367456 20.86 2688 2302748 1338840 7.79 183468 2782984 221632 01:30:01 AM 11352904 13719708 4786412 29.66 2688 2568716 2379116 13.84 250856 4106976 2388 01:31:01 AM 12312712 14931088 3826604 23.71 2688 2817908 1235400 7.19 526576 2873100 263836 Average: 12145825 14506367 3993491 24.74 2688 2563124 1651119 9.61 320300 3254353 162619 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 179.21 131.67 2001.95 25.94 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 01:30:01 AM lo 13.73 13.73 3.59 3.59 0.00 0.00 0.00 0.00 01:30:01 AM eth0 350.90 260.00 3769.02 81.83 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 14.91 14.91 2.47 2.47 0.00 0.00 0.00 0.00 01:31:01 AM eth0 60.91 49.93 274.32 21.89 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.55 9.55 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 197.01 147.20 2015.10 43.22 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) 09/07/2026 _x86_64_ (4 CPU) 01:27:14 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 25.35 0.00 2.51 0.95 0.02 71.17 01:29:01 AM 0 17.91 0.00 1.65 0.63 0.02 79.78 01:29:01 AM 1 46.55 0.00 3.84 1.37 0.02 48.22 01:29:01 AM 2 18.52 0.00 2.09 0.84 0.02 78.54 01:29:01 AM 3 18.41 0.00 2.46 0.97 0.02 78.14 01:30:01 AM all 47.74 0.00 1.98 0.92 0.02 49.35 01:30:01 AM 0 53.95 0.00 1.77 0.98 0.02 43.28 01:30:01 AM 1 56.58 0.00 0.94 0.55 0.02 41.92 01:30:01 AM 2 43.05 0.00 2.90 0.85 0.02 53.18 01:30:01 AM 3 37.35 0.00 2.31 1.27 0.03 59.04 01:31:01 AM all 16.59 0.00 1.37 0.10 0.02 81.93 01:31:01 AM 0 13.64 0.00 1.22 0.10 0.02 85.02 01:31:01 AM 1 11.60 0.00 0.83 0.05 0.02 87.50 01:31:01 AM 2 11.24 0.00 1.34 0.05 0.02 87.36 01:31:01 AM 3 29.87 0.00 2.09 0.20 0.02 67.82 Average: all 29.89 0.00 1.95 0.66 0.02 67.48 Average: 0 28.50 0.00 1.55 0.57 0.02 69.36 Average: 1 38.24 0.00 1.87 0.66 0.02 59.22 Average: 2 24.26 0.00 2.11 0.58 0.02 73.04 Average: 3 28.54 0.00 2.29 0.81 0.02 68.33