---> uname -a: Linux prd-centos8-docker-4c-4g-3824.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 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 768 12094 20 2898 14654 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:e2:0f:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86156sec preferred_lft 86156sec inet6 fe80::f816:3eff:fee2:f9f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:80:54:a4:03 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) 09/21/2026 _x86_64_ (4 CPU) 09:05:12 LINUX RESTART (4 CPU) 09:06:01 AM tps rtps wtps bread/s bwrtn/s 09:07:01 AM 252.70 14.80 237.90 3115.09 15747.37 09:08:01 AM 109.05 6.27 102.78 1080.49 11886.35 09:09:01 AM 30.04 1.70 28.34 124.09 745.50 Average: 130.60 7.59 123.01 1439.91 9459.61 09:06:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:07:01 AM 12560284 14843900 3579032 22.18 2688 2487756 1356828 7.89 192112 2972220 275088 09:08:01 AM 11215684 13586212 4923632 30.51 2688 2572064 2550540 14.84 255692 4237812 1712 09:09:01 AM 12371156 14994008 3768160 23.35 2688 2822368 1166604 6.79 532652 2809916 263812 Average: 12049041 14474707 4090275 25.34 2688 2627396 1691324 9.84 326819 3339983 180204 09:06:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 AM eth0 377.56 285.55 4923.37 45.23 0.00 0.00 0.00 0.00 09:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 AM lo 22.16 22.16 4.56 4.56 0.00 0.00 0.00 0.00 09:08:01 AM eth0 123.41 93.77 754.59 54.36 0.00 0.00 0.00 0.00 09:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM lo 7.21 7.21 1.55 1.55 0.00 0.00 0.00 0.00 09:09:01 AM eth0 69.54 65.23 278.12 931.33 0.00 0.00 0.00 0.00 09:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.79 9.79 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 190.17 148.19 1985.43 343.66 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) 09/21/2026 _x86_64_ (4 CPU) 09:05:12 LINUX RESTART (4 CPU) 09:06:01 AM CPU %user %nice %system %iowait %steal %idle 09:07:01 AM all 27.48 0.00 3.04 1.34 0.03 68.11 09:07:01 AM 0 30.01 0.00 4.02 2.07 0.03 63.86 09:07:01 AM 1 18.09 0.00 2.79 1.25 0.02 77.86 09:07:01 AM 2 20.48 0.00 1.81 0.70 0.02 76.99 09:07:01 AM 3 41.35 0.00 3.53 1.34 0.03 53.75 09:08:01 AM all 46.05 0.00 1.68 0.68 0.03 51.56 09:08:01 AM 0 32.15 0.00 2.84 1.81 0.02 63.19 09:08:01 AM 1 54.91 0.00 0.92 0.38 0.03 43.76 09:08:01 AM 2 56.61 0.00 0.57 0.17 0.03 42.62 09:08:01 AM 3 40.52 0.00 2.37 0.37 0.03 56.71 09:09:01 AM all 17.70 0.00 1.57 0.12 0.02 80.60 09:09:01 AM 0 20.26 0.00 1.75 0.28 0.02 77.69 09:09:01 AM 1 22.90 0.00 2.24 0.13 0.03 74.70 09:09:01 AM 2 16.40 0.00 1.30 0.05 0.02 82.23 09:09:01 AM 3 11.26 0.00 0.97 0.00 0.00 87.77 Average: all 30.41 0.00 2.09 0.71 0.02 66.76 Average: 0 27.47 0.00 2.87 1.39 0.02 68.25 Average: 1 31.97 0.00 1.98 0.59 0.03 65.43 Average: 2 31.18 0.00 1.23 0.31 0.02 67.27 Average: 3 31.03 0.00 2.29 0.57 0.02 66.09