---> uname -a: Linux prd-centos8-docker-4c-4g-804.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 817 12038 20 2905 14605 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:e6:99:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86175sec preferred_lft 86175sec inet6 fe80::f816:3eff:fee6:99e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:df:01:04:f8 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) 10/12/2026 _x86_64_ (4 CPU) 03:59:59 LINUX RESTART (4 CPU) 04:00:00 AM tps rtps wtps bread/s bwrtn/s 04:01:01 AM 410.40 248.85 161.55 21471.05 40788.58 04:02:01 AM 239.76 14.74 225.02 3205.86 12781.08 04:03:01 AM 99.97 6.23 93.74 1056.58 12551.67 Average: 251.31 91.19 160.12 8679.12 22187.64 04:00:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:01:01 AM 13254052 15036024 2885256 17.88 2688 2001176 1239128 7.21 179404 2357420 202920 04:02:01 AM 12472952 14772668 3666356 22.72 2688 2503604 1423052 8.28 188300 3062224 310624 04:03:01 AM 11042596 13419232 5096712 31.58 2688 2578312 2643368 15.38 250884 4412912 1384 Average: 12256533 14409308 3882775 24.06 2688 2361031 1768516 10.29 206196 3277519 171643 04:00:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:01:01 AM lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 04:01:01 AM eth0 367.50 206.33 1670.64 69.64 0.00 0.00 0.00 0.00 04:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:01 AM eth0 366.55 278.29 4385.15 41.61 0.00 0.00 0.00 0.00 04:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 AM lo 28.94 28.94 7.39 7.39 0.00 0.00 0.00 0.00 04:03:01 AM eth0 148.52 102.75 626.39 48.12 0.00 0.00 0.00 0.00 04:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.58 9.58 2.44 2.44 0.00 0.00 0.00 0.00 Average: eth0 294.77 195.88 2223.13 53.26 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) 10/12/2026 _x86_64_ (4 CPU) 03:59:59 LINUX RESTART (4 CPU) 04:00:00 AM CPU %user %nice %system %iowait %steal %idle 04:01:01 AM all 36.69 0.02 5.75 2.30 0.01 55.23 04:01:01 AM 0 34.11 0.00 6.03 2.06 0.02 57.77 04:01:01 AM 1 32.98 0.00 4.37 1.18 0.02 61.45 04:01:01 AM 2 44.80 0.00 6.73 4.46 0.02 43.99 04:01:01 AM 3 34.87 0.08 5.86 1.49 0.00 57.69 04:02:01 AM all 26.50 0.00 2.87 1.29 0.01 69.33 04:02:01 AM 0 23.84 0.00 2.19 0.53 0.02 73.42 04:02:01 AM 1 18.19 0.00 2.03 1.04 0.00 78.75 04:02:01 AM 2 41.83 0.00 4.32 1.99 0.02 51.85 04:02:01 AM 3 22.12 0.00 2.95 1.61 0.02 73.31 04:03:01 AM all 48.69 0.00 2.08 0.66 0.01 48.56 04:03:01 AM 0 42.70 0.00 1.77 0.30 0.02 55.21 04:03:01 AM 1 51.50 0.00 2.01 0.28 0.02 46.20 04:03:01 AM 2 43.29 0.00 3.13 1.24 0.00 52.35 04:03:01 AM 3 57.25 0.00 1.42 0.82 0.00 40.51 Average: all 37.29 0.01 3.58 1.42 0.01 57.69 Average: 0 33.55 0.00 3.35 0.97 0.02 62.12 Average: 1 34.23 0.00 2.81 0.84 0.01 62.11 Average: 2 43.32 0.00 4.74 2.57 0.01 49.36 Average: 3 38.08 0.03 3.42 1.31 0.01 57.16