---> uname -a: Linux prd-centos8-docker-4c-4g-1966.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: 2799.996 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 803 12057 20 2899 14618 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:39:aa:35 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 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe39:aa35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7e:50:57:81 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) 09/16/2026 _x86_64_ (4 CPU) 13:23:34 LINUX RESTART (4 CPU) 01:24:03 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 127.57 11.67 115.91 2994.18 6423.80 01:26:01 PM 270.26 15.28 254.98 2204.73 21358.98 01:27:01 PM 23.54 0.60 22.94 17.86 1764.63 Average: 140.60 9.15 131.45 1724.89 9887.42 01:24:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12989368 15021604 3149940 19.52 2688 2241652 1442180 8.39 152468 2616364 343000 01:26:01 PM 11436240 13806024 4703068 29.14 2688 2571696 2339424 13.61 247692 4025184 42164 01:27:01 PM 11952800 14325804 4186508 25.94 2688 2574780 1830796 10.65 256420 3505188 2280 Average: 12126136 14384477 4013172 24.87 2688 2462709 1870800 10.88 218860 3382245 129148 01:24:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 145.91 89.80 1891.05 21.68 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 3.80 3.80 0.40 0.40 0.00 0.00 0.00 0.00 01:26:01 PM eth0 347.73 277.42 4115.94 61.53 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 01:27:01 PM lo 24.73 24.73 5.64 5.64 0.00 0.00 0.00 0.00 01:27:01 PM eth0 63.80 46.02 29.61 39.49 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.61 9.61 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 186.26 138.28 2013.55 41.11 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) 09/16/2026 _x86_64_ (4 CPU) 13:23:34 LINUX RESTART (4 CPU) 01:24:03 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 20.87 0.00 2.19 0.71 0.02 76.21 01:25:01 PM 0 26.45 0.00 3.00 0.95 0.02 69.58 01:25:01 PM 1 15.68 0.00 2.13 0.45 0.02 81.73 01:25:01 PM 2 17.87 0.00 2.16 0.83 0.02 79.12 01:25:01 PM 3 23.45 0.00 1.49 0.60 0.02 74.44 01:26:01 PM all 50.46 0.00 2.76 1.71 0.03 45.04 01:26:01 PM 0 51.89 0.00 2.97 2.45 0.02 42.68 01:26:01 PM 1 57.82 0.00 1.86 0.79 0.03 39.51 01:26:01 PM 2 41.91 0.00 3.22 2.00 0.03 52.84 01:26:01 PM 3 50.18 0.00 3.00 1.63 0.03 45.16 01:27:01 PM all 15.54 0.00 0.81 0.13 0.03 83.49 01:27:01 PM 0 19.48 0.00 0.38 0.00 0.03 80.10 01:27:01 PM 1 17.08 0.00 0.87 0.02 0.03 82.01 01:27:01 PM 2 12.47 0.00 1.15 0.22 0.03 86.13 01:27:01 PM 3 13.12 0.00 0.85 0.30 0.02 85.71 Average: all 29.02 0.00 1.92 0.85 0.03 68.18 Average: 0 32.65 0.00 2.11 1.13 0.02 64.09 Average: 1 30.35 0.00 1.61 0.42 0.03 67.59 Average: 2 24.13 0.00 2.18 1.02 0.03 72.65 Average: 3 28.96 0.00 1.78 0.85 0.02 68.39