---> uname -a: Linux prd-centos8-docker-4c-4g-12108.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 815 12061 19 2884 14609 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:df:34:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.75/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86047sec preferred_lft 86047sec inet6 fe80::f816:3eff:fedf:3471/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:d3:1c:5c 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) 07/13/2026 _x86_64_ (4 CPU) 06:59:19 LINUX RESTART (4 CPU) 07:00:01 AM tps rtps wtps bread/s bwrtn/s 07:01:01 AM 119.38 10.68 108.70 2543.04 9936.56 07:02:01 AM 40.13 4.13 36.00 573.31 7733.58 07:03:01 AM 130.01 3.55 126.46 788.54 1501.23 07:04:01 AM 35.42 2.85 32.57 293.77 7766.34 07:05:01 AM 54.02 1.65 52.37 123.05 9062.52 Average: 75.79 4.57 71.22 864.30 7199.91 07:00:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:01:01 AM 12901808 14962792 3237512 20.06 2688 2269264 1482964 8.63 155184 2693300 211844 07:02:01 AM 12808300 14890044 3331020 20.64 2688 2289564 1490456 8.67 182860 2753816 8 07:03:01 AM 11879620 14226032 4259700 26.39 2688 2548956 1978212 11.51 218372 3626180 222712 07:04:01 AM 11316756 13675644 4822564 29.88 2688 2561052 2578904 15.00 252352 4148444 892 07:05:01 AM 12345604 14955868 3793716 23.51 2688 2809940 1208944 7.03 536260 2838152 24456 Average: 12250418 14542076 3888902 24.10 2688 2495755 1747896 10.17 269006 3211978 91982 07:00:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM eth0 125.13 81.05 1677.81 19.45 0.00 0.00 0.00 0.00 07:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 AM eth0 14.04 9.98 39.22 3.82 0.00 0.00 0.00 0.00 07:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 AM eth0 346.40 233.49 3763.88 43.34 0.00 0.00 0.00 0.00 07:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:04:01 AM lo 24.88 24.88 5.04 5.04 0.00 0.00 0.00 0.00 07:04:01 AM eth0 24.24 15.46 11.61 19.07 0.00 0.00 0.00 0.00 07:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:05:01 AM lo 4.45 4.45 1.06 1.06 0.00 0.00 0.00 0.00 07:05:01 AM eth0 79.70 84.85 285.11 941.53 0.00 0.00 0.00 0.00 07:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.86 5.86 1.22 1.22 0.00 0.00 0.00 0.00 Average: eth0 117.90 84.96 1155.50 205.42 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) 07/13/2026 _x86_64_ (4 CPU) 06:59:19 LINUX RESTART (4 CPU) 07:00:01 AM CPU %user %nice %system %iowait %steal %idle 07:01:01 AM all 14.88 0.00 1.60 0.64 0.07 82.81 07:01:01 AM 0 23.57 0.00 2.33 0.88 0.08 73.12 07:01:01 AM 1 15.00 0.00 1.90 0.57 0.07 82.46 07:01:01 AM 2 12.65 0.00 1.29 0.35 0.05 85.66 07:01:01 AM 3 8.26 0.00 0.87 0.75 0.08 90.03 07:02:01 AM all 3.04 0.00 0.27 0.31 0.04 96.34 07:02:01 AM 0 3.39 0.00 0.52 0.75 0.02 95.33 07:02:01 AM 1 2.95 0.00 0.22 0.10 0.07 96.66 07:02:01 AM 2 2.47 0.00 0.20 0.22 0.05 97.06 07:02:01 AM 3 3.35 0.00 0.15 0.17 0.03 96.30 07:03:01 AM all 22.18 0.00 1.36 3.51 0.08 72.88 07:03:01 AM 0 23.37 0.00 1.28 0.62 0.07 74.67 07:03:01 AM 1 22.94 0.00 0.88 8.84 0.07 67.27 07:03:01 AM 2 21.32 0.00 1.57 3.70 0.07 73.34 07:03:01 AM 3 21.08 0.00 1.70 0.89 0.10 76.24 07:04:01 AM all 34.01 0.00 0.89 0.26 0.08 64.75 07:04:01 AM 0 23.50 0.00 1.55 0.55 0.08 74.32 07:04:01 AM 1 39.25 0.00 0.37 0.10 0.10 60.19 07:04:01 AM 2 41.78 0.00 0.32 0.23 0.08 57.59 07:04:01 AM 3 31.52 0.00 1.34 0.15 0.07 66.93 07:05:01 AM all 22.02 0.00 1.89 0.30 0.08 75.71 07:05:01 AM 0 18.97 0.00 1.57 0.12 0.07 79.28 07:05:01 AM 1 32.35 0.00 2.02 0.17 0.08 65.37 07:05:01 AM 2 11.54 0.00 1.34 0.35 0.08 86.68 07:05:01 AM 3 25.19 0.00 2.62 0.58 0.10 71.50 Average: all 19.22 0.00 1.20 1.00 0.07 78.50 Average: 0 18.56 0.00 1.45 0.58 0.06 79.34 Average: 1 22.49 0.00 1.08 1.96 0.08 74.40 Average: 2 17.95 0.00 0.94 0.97 0.07 80.07 Average: 3 17.88 0.00 1.34 0.51 0.08 80.20