---> uname -a: Linux prd-centos8-docker-4c-4g-6430.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 759 12096 20 2905 14663 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:b9:3c:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.103/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86167sec preferred_lft 86167sec inet6 fe80::f816:3eff:feb9:3ca1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:c5:59:2b 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) 10/01/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 180.37 8.20 172.18 1707.16 6964.43 01:25:01 PM 260.31 19.67 240.64 4002.66 15103.76 01:26:01 PM 53.45 2.07 51.38 109.96 8121.76 Average: 164.72 9.98 154.74 1940.16 10063.88 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13166800 15138268 2972508 18.42 2688 2181144 1071788 6.24 138788 2454888 333120 01:25:01 PM 11599204 13973864 4540104 28.13 2688 2576588 2103108 12.24 242556 3871144 225424 01:26:01 PM 12409744 15042256 3729564 23.11 2688 2832220 1116964 6.50 528632 2774192 268292 Average: 12391916 14718129 3747392 23.22 2688 2529984 1430620 8.32 303325 3033408 275612 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 167.39 103.08 1765.28 41.64 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 409.23 294.89 4271.74 56.09 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 31.92 31.92 8.30 8.30 0.00 0.00 0.00 0.00 01:26:01 PM eth0 152.32 105.18 293.77 954.07 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.69 10.69 2.77 2.77 0.00 0.00 0.00 0.00 Average: eth0 243.00 167.73 2110.50 350.56 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) 10/01/2026 _x86_64_ (4 CPU) 13:22:35 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.31 0.00 2.53 1.27 0.01 74.89 01:24:01 PM 0 6.82 0.00 1.38 0.27 0.02 91.51 01:24:01 PM 1 23.36 0.00 2.30 1.15 0.02 73.17 01:24:01 PM 2 33.64 0.00 4.37 2.80 0.00 59.19 01:24:01 PM 3 21.45 0.00 2.06 0.87 0.00 75.62 01:25:01 PM all 48.83 0.00 3.21 1.39 0.03 46.53 01:25:01 PM 0 51.08 0.00 2.01 0.74 0.02 46.16 01:25:01 PM 1 51.97 0.00 3.28 1.29 0.03 43.43 01:25:01 PM 2 45.90 0.00 4.82 2.06 0.03 47.19 01:25:01 PM 3 46.40 0.00 2.74 1.47 0.03 49.36 01:26:01 PM all 29.94 0.00 2.24 0.31 0.01 67.49 01:26:01 PM 0 23.19 0.00 1.82 0.60 0.02 74.37 01:26:01 PM 1 44.02 0.00 2.51 0.30 0.03 53.14 01:26:01 PM 2 32.69 0.00 2.87 0.07 0.00 64.37 01:26:01 PM 3 19.84 0.00 1.77 0.28 0.00 78.10 Average: all 33.35 0.00 2.66 0.99 0.02 62.98 Average: 0 27.01 0.00 1.74 0.53 0.02 70.70 Average: 1 39.77 0.00 2.70 0.91 0.03 56.59 Average: 2 37.41 0.00 4.02 1.64 0.01 56.92 Average: 3 29.23 0.00 2.19 0.88 0.01 67.69