---> uname -a: Linux prd-centos8-docker-4c-4g-3774.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 819 12032 19 2909 14602 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:09:6c:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.15/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe09:6cd1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9c:79:f1:8d 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) 08/03/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 195.59 15.20 180.39 3276.60 11062.67 01:25:01 PM 179.29 6.32 172.97 1060.49 17101.17 01:26:01 PM 33.56 1.45 32.11 91.70 1689.00 Average: 135.81 7.61 128.19 1466.13 9944.28 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12702656 14812496 3436656 21.29 2688 2315312 1384788 8.06 188756 2848816 229948 01:25:01 PM 11188644 13569708 4950668 30.67 2688 2581296 2506636 14.58 256620 4262524 3132 01:26:01 PM 12283204 14921532 3856108 23.89 2688 2836308 1241508 7.22 533536 2894576 242028 Average: 12058168 14434579 4081144 25.29 2688 2577639 1710977 9.95 326304 3335305 158369 01:23:02 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 163.58 127.05 2069.14 30.12 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 19.65 19.65 4.28 4.28 0.00 0.00 0.00 0.00 01:25:01 PM eth0 440.89 254.62 3776.69 85.23 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 8.98 8.98 1.77 1.77 0.00 0.00 0.00 0.00 01:26:01 PM eth0 63.33 69.84 273.49 925.50 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 9.60 9.60 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 222.92 150.63 2039.51 348.75 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) 08/03/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.24 0.00 2.48 1.35 0.09 69.84 01:24:01 PM 0 35.50 0.00 3.21 1.41 0.10 59.78 01:24:01 PM 1 18.36 0.00 1.51 0.99 0.09 79.05 01:24:01 PM 2 17.80 0.00 1.40 1.35 0.10 79.36 01:24:01 PM 3 33.28 0.00 3.79 1.67 0.09 61.18 01:25:01 PM all 50.77 0.00 2.08 1.24 0.13 45.78 01:25:01 PM 0 45.87 0.00 3.11 2.44 0.13 48.44 01:25:01 PM 1 42.68 0.00 1.96 1.02 0.12 54.23 01:25:01 PM 2 55.94 0.00 1.99 0.85 0.12 41.11 01:25:01 PM 3 58.58 0.00 1.27 0.65 0.13 39.37 01:26:01 PM all 15.41 0.00 1.19 0.15 0.06 83.18 01:26:01 PM 0 35.77 0.00 1.52 0.05 0.07 62.59 01:26:01 PM 1 7.59 0.00 1.32 0.08 0.07 90.94 01:26:01 PM 2 9.27 0.00 1.10 0.38 0.07 89.17 01:26:01 PM 3 8.97 0.00 0.84 0.10 0.05 90.05 Average: all 30.83 0.00 1.91 0.91 0.09 66.25 Average: 0 39.06 0.00 2.61 1.30 0.10 56.93 Average: 1 22.89 0.00 1.60 0.70 0.09 74.73 Average: 2 27.74 0.00 1.50 0.86 0.10 69.81 Average: 3 33.61 0.00 1.95 0.80 0.09 63.55