---> uname -a: Linux prd-centos8-docker-4c-4g-3503.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 772 12085 20 2903 14650 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:22:4a:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.207/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe22:4a49/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d5:3f:80:f6 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) 09/20/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 191.05 8.00 183.06 1758.85 6823.50 01:25:01 PM 261.34 19.11 242.23 3902.05 15246.76 01:26:01 PM 35.51 0.60 34.91 17.85 7891.49 Average: 162.63 9.23 153.39 1892.82 9987.13 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13139216 15123164 3000100 18.59 2688 2193212 1073932 6.25 144236 2475932 343316 01:25:01 PM 11653560 14026316 4485756 27.79 2688 2574404 2081500 12.11 244208 3812956 224916 01:26:01 PM 11377568 13753068 4761748 29.50 2688 2576824 2356712 13.71 254764 4077804 280 Average: 12056781 14300849 4082535 25.30 2688 2448147 1837381 10.69 214403 3455564 189504 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 202.67 125.29 1906.62 39.82 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 0.82 0.82 0.07 0.07 0.00 0.00 0.00 0.00 01:25:01 PM eth0 433.02 349.28 4116.20 60.95 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 26.52 26.52 5.17 5.17 0.00 0.00 0.00 0.00 01:26:01 PM eth0 53.46 34.88 29.89 31.86 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 9.11 9.11 1.75 1.75 0.00 0.00 0.00 0.00 Average: eth0 229.71 169.81 2017.46 44.21 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) 09/20/2026 _x86_64_ (4 CPU) 13:22:36 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.16 0.00 2.45 1.19 0.02 75.18 01:24:01 PM 0 13.51 0.00 2.72 2.78 0.02 80.97 01:24:01 PM 1 23.93 0.00 1.91 0.79 0.02 73.36 01:24:01 PM 2 31.23 0.00 3.46 0.89 0.03 64.39 01:24:01 PM 3 15.97 0.00 1.72 0.28 0.02 82.01 01:25:01 PM all 50.47 0.00 2.97 1.43 0.02 45.10 01:25:01 PM 0 48.21 0.00 3.13 1.14 0.02 47.51 01:25:01 PM 1 55.25 0.00 2.66 1.66 0.02 40.42 01:25:01 PM 2 45.53 0.00 2.78 1.91 0.02 49.77 01:25:01 PM 3 52.90 0.00 3.33 1.04 0.02 42.72 01:26:01 PM all 15.50 0.00 0.72 0.19 0.00 83.58 01:26:01 PM 0 18.49 0.00 0.65 0.02 0.02 80.83 01:26:01 PM 1 18.91 0.00 0.43 0.03 0.00 80.62 01:26:01 PM 2 12.61 0.00 0.75 0.60 0.00 86.03 01:26:01 PM 3 11.97 0.00 1.05 0.12 0.00 86.86 Average: all 29.03 0.00 2.05 0.94 0.01 67.97 Average: 0 26.72 0.00 2.17 1.31 0.02 69.79 Average: 1 32.68 0.00 1.67 0.82 0.01 64.82 Average: 2 29.79 0.00 2.33 1.13 0.02 66.73 Average: 3 26.94 0.00 2.04 0.48 0.01 70.54