---> uname -a: Linux prd-centos8-docker-4c-4g-18120.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 824 12035 20 2901 14598 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:e1:99:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fee1:9901/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:22:58:b0:fe 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) 09/05/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 222.41 13.86 208.56 2643.66 8086.98 01:25:01 PM 272.60 19.79 252.81 4015.19 16509.55 01:26:01 PM 32.12 0.52 31.61 16.52 6627.84 Average: 175.70 11.39 164.31 2224.93 10407.44 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13090308 15077068 3049008 18.89 2688 2196516 1120292 6.52 142268 2527832 349912 01:25:01 PM 11561080 13932396 4578236 28.37 2688 2573032 2134608 12.42 246764 3906756 186036 01:26:01 PM 11362584 13737352 4776732 29.60 2688 2576308 2329756 13.55 255588 4095444 1268 Average: 12004657 14248939 4134659 25.62 2688 2448619 1861552 10.83 214873 3510011 179072 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 259.55 181.25 2388.86 69.63 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 1.35 1.35 0.12 0.12 0.00 0.00 0.00 0.00 01:25:01 PM eth0 441.65 320.42 4170.37 68.72 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 27.21 27.21 5.94 5.94 0.00 0.00 0.00 0.00 01:26:01 PM eth0 27.39 17.49 14.42 23.04 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 9.52 9.52 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 242.84 173.04 2191.00 53.80 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) 09/05/2026 _x86_64_ (4 CPU) 13:22:37 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.57 0.00 2.54 1.07 0.02 72.80 01:24:01 PM 0 12.97 0.00 2.01 0.57 0.00 84.45 01:24:01 PM 1 32.79 0.00 2.98 1.67 0.02 62.54 01:24:01 PM 2 28.42 0.00 3.29 1.69 0.03 66.57 01:24:01 PM 3 20.19 0.00 1.87 0.37 0.02 77.55 01:25:01 PM all 48.93 0.00 3.04 1.45 0.03 46.56 01:25:01 PM 0 49.60 0.00 3.65 1.62 0.03 45.10 01:25:01 PM 1 58.35 0.00 2.24 1.29 0.03 38.08 01:25:01 PM 2 50.39 0.00 3.06 1.76 0.02 44.77 01:25:01 PM 3 37.35 0.00 3.20 1.12 0.02 58.30 01:26:01 PM all 16.27 0.00 0.78 0.15 0.00 82.80 01:26:01 PM 0 12.29 0.00 1.44 0.05 0.00 86.22 01:26:01 PM 1 19.93 0.00 0.42 0.03 0.00 79.62 01:26:01 PM 2 20.35 0.00 0.42 0.05 0.00 79.19 01:26:01 PM 3 12.50 0.00 0.87 0.45 0.00 86.18 Average: all 29.58 0.00 2.12 0.89 0.01 67.40 Average: 0 24.93 0.00 2.37 0.75 0.01 71.94 Average: 1 37.01 0.00 1.88 1.00 0.02 60.09 Average: 2 33.04 0.00 2.25 1.17 0.02 63.52 Average: 3 23.33 0.00 1.98 0.65 0.01 74.03