---> uname -a: Linux prd-centos8-docker-4c-4g-1013.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 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 751 12097 19 2912 14672 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:7a:0c:de brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.177/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe7a:cde/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:32:6d:a1:5d 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) 07/19/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 237.09 14.81 222.28 3115.08 16233.84 01:26:01 PM 99.93 6.28 93.65 1079.64 9705.40 01:27:01 PM 24.25 1.52 22.73 92.92 389.64 Average: 120.42 7.54 112.89 1429.19 8776.34 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12544304 14843876 3595016 22.27 2688 2502688 1352004 7.87 192040 2991000 218920 01:26:01 PM 11437456 13823368 4701864 29.13 2688 2586464 2303992 13.40 255700 4017800 1880 01:27:01 PM 12357204 14993056 3782116 23.43 2688 2834332 1170468 6.81 531440 2826092 264164 Average: 12112988 14553433 4026332 24.95 2688 2641161 1608821 9.36 326393 3278297 161655 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 401.43 280.22 4407.87 43.98 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 21.44 21.44 4.48 4.48 0.00 0.00 0.00 0.00 01:26:01 PM eth0 148.48 107.21 741.58 37.89 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 01:27:01 PM lo 7.57 7.57 1.59 1.59 0.00 0.00 0.00 0.00 01:27:01 PM eth0 72.65 77.87 278.65 928.60 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.67 9.67 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 207.52 155.10 1809.31 336.81 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) 07/19/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 25.03 0.00 2.74 1.92 0.09 70.23 01:25:01 PM 0 35.61 0.00 3.92 2.29 0.10 58.08 01:25:01 PM 1 18.56 0.00 2.53 2.03 0.08 76.79 01:25:01 PM 2 19.50 0.00 2.43 2.00 0.08 75.99 01:25:01 PM 3 26.42 0.00 2.06 1.36 0.08 70.08 01:26:01 PM all 48.06 0.00 1.45 0.93 0.09 49.47 01:26:01 PM 0 59.36 0.00 0.43 0.15 0.08 39.97 01:26:01 PM 1 39.40 0.00 2.31 0.95 0.10 57.23 01:26:01 PM 2 56.15 0.00 1.69 0.70 0.10 41.36 01:26:01 PM 3 37.28 0.00 1.35 1.92 0.08 59.35 01:27:01 PM all 16.20 0.00 1.30 0.13 0.07 82.31 01:27:01 PM 0 15.15 0.00 1.15 0.05 0.07 83.58 01:27:01 PM 1 9.96 0.00 1.09 0.05 0.05 88.85 01:27:01 PM 2 20.29 0.00 2.24 0.35 0.08 77.04 01:27:01 PM 3 19.38 0.00 0.72 0.05 0.07 79.78 Average: all 29.76 0.00 1.83 0.99 0.08 67.34 Average: 0 36.72 0.00 1.83 0.83 0.08 60.54 Average: 1 22.64 0.00 1.98 1.01 0.08 74.30 Average: 2 32.00 0.00 2.12 1.01 0.09 64.78 Average: 3 27.69 0.00 1.38 1.11 0.08 69.74