---> uname -a: Linux prd-centos8-docker-4c-4g-15753.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 794 12063 20 2902 14628 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:4d:01:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.22/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe4d:1d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:27:5c:cb 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) 08/27/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 148.50 15.19 133.31 3251.85 10335.15 01:25:01 PM 192.99 4.58 188.41 992.24 10570.94 01:26:01 PM 36.74 1.65 35.09 63.58 7866.41 Average: 126.09 7.14 118.95 1435.82 9591.00 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12778424 14858628 3360892 20.82 2688 2288632 1399668 8.14 157828 2810776 231760 01:25:01 PM 11601856 13972988 4537460 28.11 2688 2572912 2109420 12.27 240476 3873340 226720 01:26:01 PM 11327472 13702660 4811844 29.81 2688 2576760 2804748 16.32 254448 4128092 28 Average: 11902584 14178092 4236732 26.25 2688 2479435 2104612 12.24 217584 3604069 152836 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 127.07 92.17 1783.87 21.66 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 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 315.34 254.60 4007.25 44.17 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 26.11 26.11 5.17 5.17 0.00 0.00 0.00 0.00 01:26:01 PM eth0 22.18 16.01 8.03 16.60 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 8.75 8.75 1.73 1.73 0.00 0.00 0.00 0.00 Average: eth0 154.89 120.95 1933.39 27.48 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) 08/27/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.27 0.00 2.37 0.84 0.01 74.50 01:24:01 PM 0 11.00 0.00 1.94 1.32 0.02 85.73 01:24:01 PM 1 27.07 0.00 2.88 0.69 0.00 69.37 01:24:01 PM 2 17.47 0.00 1.81 0.65 0.00 80.07 01:24:01 PM 3 33.57 0.00 2.88 0.72 0.03 62.79 01:25:01 PM all 40.88 0.00 2.33 1.02 0.03 55.73 01:25:01 PM 0 36.66 0.00 2.64 1.04 0.02 59.64 01:25:01 PM 1 44.71 0.00 1.44 0.45 0.03 53.37 01:25:01 PM 2 44.58 0.00 2.80 1.16 0.05 51.42 01:25:01 PM 3 37.57 0.00 2.44 1.44 0.03 58.51 01:26:01 PM all 20.30 0.00 0.76 0.25 0.01 78.68 01:26:01 PM 0 24.01 0.00 0.47 0.03 0.00 75.49 01:26:01 PM 1 25.37 0.00 0.52 0.05 0.02 74.05 01:26:01 PM 2 19.59 0.00 0.82 0.10 0.02 79.48 01:26:01 PM 3 12.21 0.00 1.25 0.82 0.00 85.71 Average: all 27.81 0.00 1.82 0.70 0.02 69.64 Average: 0 23.88 0.00 1.68 0.80 0.01 73.63 Average: 1 32.38 0.00 1.61 0.40 0.02 65.60 Average: 2 27.21 0.00 1.81 0.64 0.02 70.33 Average: 3 27.78 0.00 2.19 0.99 0.02 69.02