---> uname -a: Linux prd-centos8-docker-4c-4g-717.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 770 12085 20 2904 14652 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:68:9d:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:fe68:9d9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:3f:f4:8a 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) 10/11/2026 _x86_64_ (4 CPU) 13:22:44 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 267.48 38.99 228.49 7800.22 12519.39 01:25:01 PM 276.31 18.66 257.65 4038.91 15483.13 01:26:01 PM 58.44 2.87 55.57 252.36 8220.53 Average: 200.76 20.17 180.58 4030.71 12074.75 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13257296 15066124 2882020 17.86 2688 2024956 1159300 6.74 138524 2386860 182252 01:25:01 PM 11800272 14166924 4339044 26.88 2688 2568484 2011380 11.70 226440 3689656 228464 01:26:01 PM 12380276 14998420 3759040 23.29 2688 2818288 1173444 6.83 350860 2981392 247392 Average: 12479281 14743823 3660035 22.68 2688 2470576 1448041 8.42 238608 3019303 219369 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 306.36 209.93 1962.29 69.39 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 397.82 315.04 4668.97 59.87 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 32.23 32.23 8.32 8.32 0.00 0.00 0.00 0.00 01:26:01 PM eth0 99.27 89.39 281.01 47.21 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 10.74 10.74 2.77 2.77 0.00 0.00 0.00 0.00 Average: eth0 267.83 204.80 2304.33 58.82 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) 10/11/2026 _x86_64_ (4 CPU) 13:22:44 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.05 0.00 3.41 3.14 0.02 67.39 01:24:01 PM 0 28.73 0.00 2.91 2.26 0.02 66.08 01:24:01 PM 1 43.21 0.00 4.63 2.79 0.05 49.32 01:24:01 PM 2 17.19 0.00 3.15 2.86 0.02 76.79 01:24:01 PM 3 15.00 0.00 2.96 4.63 0.00 77.41 01:25:01 PM all 38.97 0.00 3.39 1.49 0.03 56.12 01:25:01 PM 0 36.69 0.00 3.68 1.29 0.02 58.32 01:25:01 PM 1 41.30 0.00 4.57 1.02 0.03 53.08 01:25:01 PM 2 39.61 0.00 2.78 2.18 0.03 55.40 01:25:01 PM 3 38.30 0.00 2.53 1.47 0.02 57.68 01:26:01 PM all 39.86 0.00 1.91 0.37 0.02 57.83 01:26:01 PM 0 40.42 0.00 2.04 0.32 0.02 57.20 01:26:01 PM 1 40.12 0.00 1.89 0.20 0.00 57.79 01:26:01 PM 2 41.29 0.00 1.44 0.07 0.02 57.18 01:26:01 PM 3 37.62 0.00 2.29 0.90 0.03 59.16 Average: all 34.96 0.00 2.90 1.67 0.02 60.45 Average: 0 35.28 0.00 2.88 1.29 0.02 60.53 Average: 1 41.54 0.00 3.70 1.34 0.03 53.40 Average: 2 32.70 0.00 2.45 1.70 0.02 63.13 Average: 3 30.32 0.00 2.59 2.33 0.02 64.74