---> uname -a: Linux prd-centos8-docker-4c-4g-12566.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 nrip_save 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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 817 11252 19 3691 14594 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:ff:8b:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.58/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:feff:8b07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9c:61:03:f5 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::42:9cff:fe61:3f5/64 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) 06/17/2026 _x86_64_ (4 CPU) 07:42:11 LINUX RESTART (4 CPU) 07:43:01 AM tps rtps wtps bread/s bwrtn/s 07:44:01 AM 191.64 14.13 177.51 3104.43 9677.81 07:45:01 AM 239.02 8.63 230.39 841.45 17520.76 07:46:01 AM 185.74 4.83 180.91 3373.01 37358.55 Average: 205.46 9.20 196.27 2439.63 21519.04 07:43:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:44:01 AM 12766816 14919956 3372504 20.90 2688 2358024 1302660 7.58 190808 2781656 273888 07:45:01 AM 12091220 14924216 4048100 25.08 2688 3029520 1621336 9.43 462208 3148488 457224 07:46:01 AM 11584832 15004360 4554488 28.22 2688 3596576 1202400 7.00 723860 3339524 7540 Average: 12147623 14949511 3991697 24.73 2688 2994707 1375465 8.00 458959 3089889 246217 07:43:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:44:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:44:01 AM eth0 203.23 171.04 2176.18 36.62 0.00 0.00 0.00 0.00 07:44:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:45:01 AM lo 4.72 4.72 0.73 0.73 0.00 0.00 0.00 0.00 07:45:01 AM eth0 354.08 305.18 4321.25 59.50 0.00 0.00 0.00 0.00 07:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 AM eth0 238.57 238.10 1929.07 3862.94 0.00 0.00 0.00 0.00 07:46:01 AM docker0 110.93 97.58 1930.98 8.28 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 0.24 0.24 0.00 0.00 0.00 0.00 Average: eth0 265.29 238.11 2808.83 1319.69 0.00 0.00 0.00 0.00 Average: docker0 36.98 32.53 643.66 2.76 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) 06/17/2026 _x86_64_ (4 CPU) 07:42:11 LINUX RESTART (4 CPU) 07:43:01 AM CPU %user %nice %system %iowait %steal %idle 07:44:01 AM all 29.47 0.00 2.42 1.15 0.11 66.85 07:44:01 AM 0 37.41 0.00 2.90 0.77 0.12 58.80 07:44:01 AM 1 33.29 0.00 3.47 1.64 0.12 61.48 07:44:01 AM 2 22.67 0.00 1.27 0.91 0.10 75.05 07:44:01 AM 3 24.46 0.00 2.03 1.29 0.10 72.12 07:45:01 AM all 48.57 0.00 2.51 1.37 0.13 47.42 07:45:01 AM 0 55.21 0.00 2.16 1.52 0.13 40.98 07:45:01 AM 1 51.83 0.00 2.67 1.25 0.13 44.11 07:45:01 AM 2 44.11 0.00 2.87 1.32 0.12 51.58 07:45:01 AM 3 43.12 0.00 2.35 1.37 0.12 53.04 07:46:01 AM all 26.67 0.00 3.55 1.20 0.10 68.47 07:46:01 AM 0 25.12 0.00 3.42 0.76 0.10 70.60 07:46:01 AM 1 20.27 0.00 3.41 0.97 0.08 75.26 07:46:01 AM 2 36.60 0.00 3.97 1.73 0.15 57.55 07:46:01 AM 3 24.71 0.00 3.39 1.34 0.08 70.47 Average: all 34.92 0.00 2.83 1.24 0.11 60.91 Average: 0 39.27 0.00 2.83 1.01 0.12 56.78 Average: 1 35.15 0.00 3.18 1.29 0.11 60.26 Average: 2 34.47 0.00 2.70 1.32 0.12 61.39 Average: 3 30.77 0.00 2.59 1.34 0.10 65.21