---> uname -a: Linux prd-centos8-docker-4c-4g-1180.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 804 12054 20 2901 14617 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:c2:39:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.133/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86178sec preferred_lft 86178sec inet6 fe80::f816:3eff:fec2:392e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:a9:2e:a1 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) 10/13/2026 _x86_64_ (4 CPU) 07:48:54 LINUX RESTART (4 CPU) 07:50:01 AM tps rtps wtps bread/s bwrtn/s 07:51:01 AM 282.24 18.71 263.53 4035.42 16382.77 07:52:01 AM 63.68 2.83 60.85 251.38 8791.12 Average: 173.01 10.77 162.24 2144.35 12588.84 07:50:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:51:01 AM 11823364 14186140 4315952 26.74 2688 2564668 2037812 11.86 223484 3668880 245992 07:52:01 AM 12345196 14959552 3794120 23.51 2688 2814488 1210272 7.04 352624 3013940 247404 Average: 12084280 14572846 4055036 25.13 2688 2689578 1624042 9.45 288054 3341410 246698 07:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:51:01 AM eth0 430.49 335.74 4869.45 67.05 0.00 0.00 0.00 0.00 07:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:52:01 AM lo 31.29 31.29 8.24 8.24 0.00 0.00 0.00 0.00 07:52:01 AM eth0 68.39 58.93 272.18 33.67 0.00 0.00 0.00 0.00 07:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.64 15.64 4.12 4.12 0.00 0.00 0.00 0.00 Average: eth0 249.53 197.40 2571.96 50.37 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) 10/13/2026 _x86_64_ (4 CPU) 07:48:54 LINUX RESTART (4 CPU) 07:50:01 AM CPU %user %nice %system %iowait %steal %idle 07:51:01 AM all 38.48 0.00 3.11 1.39 0.04 56.99 07:51:01 AM 0 35.96 0.00 2.61 0.78 0.03 60.62 07:51:01 AM 1 27.61 0.00 3.27 1.74 0.03 67.34 07:51:01 AM 2 54.41 0.00 3.33 1.24 0.03 40.99 07:51:01 AM 3 35.91 0.00 3.23 1.81 0.05 59.01 07:52:01 AM all 41.36 0.00 1.86 0.34 0.04 56.40 07:52:01 AM 0 37.85 0.00 2.73 0.69 0.05 58.69 07:52:01 AM 1 29.00 0.00 1.94 0.59 0.02 68.46 07:52:01 AM 2 55.08 0.00 1.22 0.03 0.05 43.62 07:52:01 AM 3 43.47 0.00 1.57 0.07 0.03 54.86 Average: all 39.92 0.00 2.49 0.87 0.04 56.69 Average: 0 36.90 0.00 2.67 0.74 0.04 59.66 Average: 1 28.31 0.00 2.60 1.16 0.03 67.90 Average: 2 54.75 0.00 2.27 0.63 0.04 42.31 Average: 3 39.69 0.00 2.40 0.94 0.04 56.93