---> uname -a: Linux prd-centos8-docker-4c-4g-5762.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 839 12012 20 2909 14583 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:73:ea:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86176sec preferred_lft 86176sec inet6 fe80::f816:3eff:fe73:ea80/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2b:bd:c7:fd 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) 09/28/2026 _x86_64_ (4 CPU) 05:17:23 LINUX RESTART (4 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 167.38 15.13 152.25 3249.85 11024.94 05:20:01 AM 211.31 6.18 205.13 1054.99 17179.27 05:21:01 AM 43.45 1.68 41.77 123.96 8907.75 Average: 140.72 7.66 133.06 1476.20 12371.45 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 12828548 14930308 3310760 20.51 2688 2309472 1492184 8.68 187132 2723840 218248 05:20:01 AM 11206708 13586876 4932600 30.56 2688 2581844 2586644 15.05 255800 4245664 2436 05:21:01 AM 12337180 14969600 3802128 23.56 2688 2831540 1188628 6.92 541812 2830280 23444 Average: 12124145 14495595 4015163 24.88 2688 2574285 1755819 10.22 328248 3266595 81376 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 165.96 114.21 2024.06 33.47 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 18.25 18.25 4.10 4.10 0.00 0.00 0.00 0.00 05:20:01 AM eth0 348.83 256.17 3774.21 56.29 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 13.38 13.38 4.18 4.18 0.00 0.00 0.00 0.00 05:21:01 AM eth0 87.05 80.42 282.75 949.08 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.54 10.54 2.76 2.76 0.00 0.00 0.00 0.00 Average: eth0 200.64 150.29 2027.30 346.23 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) 09/28/2026 _x86_64_ (4 CPU) 05:17:23 LINUX RESTART (4 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 24.57 0.00 2.43 0.83 0.01 72.17 05:19:01 AM 0 26.81 0.00 3.01 0.52 0.02 69.64 05:19:01 AM 1 33.67 0.00 2.90 0.68 0.00 62.74 05:19:01 AM 2 17.71 0.00 1.99 1.12 0.00 79.17 05:19:01 AM 3 20.04 0.00 1.79 0.99 0.02 77.16 05:20:01 AM all 53.18 0.00 2.49 1.19 0.03 43.10 05:20:01 AM 0 50.09 0.00 3.06 1.29 0.02 45.55 05:20:01 AM 1 55.60 0.00 3.04 1.24 0.03 40.09 05:20:01 AM 2 62.64 0.00 1.39 0.82 0.03 35.13 05:20:01 AM 3 44.39 0.00 2.48 1.42 0.03 51.67 05:21:01 AM all 22.86 0.00 2.36 0.28 0.01 74.50 05:21:01 AM 0 21.45 0.00 1.97 0.00 0.00 76.58 05:21:01 AM 1 24.95 0.00 2.83 0.77 0.02 71.44 05:21:01 AM 2 18.67 0.00 2.24 0.03 0.00 79.05 05:21:01 AM 3 26.36 0.00 2.41 0.30 0.02 70.91 Average: all 33.54 0.00 2.43 0.77 0.02 63.25 Average: 0 32.79 0.00 2.68 0.60 0.01 63.92 Average: 1 38.08 0.00 2.92 0.90 0.02 58.09 Average: 2 33.03 0.00 1.87 0.66 0.01 64.43 Average: 3 30.27 0.00 2.23 0.90 0.02 66.58