---> uname -a: Linux prd-centos8-docker-4c-4g-4976.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: 2799.998 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 777 12076 20 2907 14645 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:79:11:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:fe79:11a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:db:6f:64 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) 10/25/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 231.95 75.78 156.16 8855.83 39142.47 01:25:01 PM 94.74 0.08 94.65 1.60 9278.34 01:26:01 PM 127.45 14.90 112.55 3220.93 9498.45 01:27:01 PM 152.39 6.18 146.21 1055.69 9782.47 01:28:01 PM 38.45 1.45 37.00 91.70 8729.37 Average: 129.00 19.68 109.32 2645.60 15288.19 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13523008 15083468 2616308 16.21 2688 1788428 1166324 6.79 135700 2166900 36420 01:25:01 PM 13233512 15046352 2905804 18.00 2688 2029664 1144932 6.66 138812 2405672 55868 01:26:01 PM 12750668 14859168 3388648 21.00 2688 2314140 1323440 7.70 187896 2797468 27620 01:27:01 PM 11438388 13817620 4700928 29.13 2688 2580120 2314280 13.46 255300 4016792 2868 01:28:01 PM 12335624 14966144 3803692 23.57 2688 2829584 1176748 6.85 532588 2845700 25740 Average: 12656240 14754550 3483076 21.58 2688 2308387 1425145 8.29 250059 2846506 29703 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 299.98 166.61 914.86 62.62 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 82.22 54.78 1098.73 7.13 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 99.73 79.64 908.84 23.30 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 26.70 26.70 7.23 7.23 0.00 0.00 0.00 0.00 01:27:01 PM eth0 299.95 245.66 3721.46 68.41 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 01:28:01 PM lo 5.00 5.00 1.08 1.08 0.00 0.00 0.00 0.00 01:28:01 PM eth0 81.01 68.96 272.08 930.44 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.34 6.34 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 172.59 123.13 1383.10 218.38 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) 10/25/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 16.21 0.00 3.04 1.96 0.02 78.77 01:24:01 PM 0 25.66 0.00 3.61 2.85 0.02 67.86 01:24:01 PM 1 11.16 0.00 2.61 2.78 0.02 83.44 01:24:01 PM 2 14.58 0.00 3.32 1.41 0.02 80.68 01:24:01 PM 3 13.48 0.00 2.63 0.80 0.02 83.07 01:25:01 PM all 10.64 0.00 1.02 0.51 0.00 87.83 01:25:01 PM 0 11.25 0.00 0.82 0.47 0.00 87.47 01:25:01 PM 1 18.34 0.00 1.75 0.47 0.02 79.43 01:25:01 PM 2 7.64 0.00 0.72 0.27 0.00 91.37 01:25:01 PM 3 5.33 0.00 0.80 0.82 0.00 93.05 01:26:01 PM all 16.87 0.00 1.81 0.72 0.01 80.59 01:26:01 PM 0 16.59 0.00 1.59 0.60 0.02 81.20 01:26:01 PM 1 22.68 0.00 3.01 0.92 0.02 73.38 01:26:01 PM 2 12.40 0.00 1.47 0.55 0.00 85.58 01:26:01 PM 3 15.77 0.00 1.17 0.80 0.02 82.24 01:27:01 PM all 51.05 0.00 2.23 0.73 0.04 45.95 01:27:01 PM 0 47.04 0.00 2.14 0.33 0.03 50.45 01:27:01 PM 1 43.67 0.00 2.21 1.02 0.03 53.07 01:27:01 PM 2 55.59 0.00 2.76 0.99 0.05 40.61 01:27:01 PM 3 57.91 0.00 1.81 0.57 0.03 39.68 01:28:01 PM all 15.49 0.00 1.41 0.27 0.00 82.82 01:28:01 PM 0 18.35 0.00 0.94 0.03 0.00 80.69 01:28:01 PM 1 22.70 0.00 1.84 0.17 0.02 75.28 01:28:01 PM 2 12.68 0.00 1.86 0.85 0.00 84.60 01:28:01 PM 3 8.22 0.00 1.00 0.03 0.00 90.74 Average: all 22.05 0.00 1.90 0.84 0.02 75.20 Average: 0 23.77 0.00 1.82 0.86 0.01 73.55 Average: 1 23.70 0.00 2.28 1.07 0.02 72.92 Average: 2 20.58 0.00 2.03 0.81 0.01 76.57 Average: 3 20.14 0.00 1.48 0.61 0.01 77.76