---> uname -a: Linux prd-centos8-docker-4c-4g-1963.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 772 12087 20 2901 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:fd:17:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.21/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86034sec preferred_lft 86034sec inet6 fe80::f816:3eff:fefd:17bf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c3:24:ad:8e 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) 10/15/2026 _x86_64_ (4 CPU) 13:22:48 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 95.60 6.03 89.57 920.49 5240.85 01:26:01 PM 90.03 0.85 89.19 243.16 8296.32 01:27:01 PM 199.35 15.72 183.63 3685.06 8663.43 01:28:01 PM 73.98 4.95 69.03 361.88 8763.83 01:29:01 PM 30.09 1.17 28.93 106.78 9318.16 Average: 97.82 5.74 92.08 1063.80 8056.53 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13402680 15067388 2736636 16.96 2688 1890564 1207556 7.03 142900 2270736 64868 01:26:01 PM 13153016 15120844 2986300 18.50 2688 2177268 1085752 6.32 140392 2460932 173852 01:27:01 PM 12251880 14604008 3887436 24.09 2688 2554508 1451968 8.45 209168 3261064 233560 01:28:01 PM 12424316 15036756 3715000 23.02 2688 2812968 1126680 6.56 349180 2941112 240036 01:29:01 PM 12445124 15069816 3694192 22.89 2688 2823976 1097828 6.39 539980 2729432 6964 Average: 12735403 14979762 3403913 21.09 2688 2451857 1193957 6.95 276324 2732655 143856 01:24:01 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 65.11 40.22 930.88 10.20 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 61.57 47.26 705.47 9.10 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM eth0 346.16 274.39 4190.06 61.19 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 31.81 31.81 8.30 8.30 0.00 0.00 0.00 0.00 01:28:01 PM eth0 79.67 64.56 363.42 39.26 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 01:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 PM eth0 27.46 29.18 14.79 912.88 0.00 0.00 0.00 0.00 01:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.36 6.36 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 116.02 91.14 1241.28 206.49 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) 10/15/2026 _x86_64_ (4 CPU) 13:22:48 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 8.69 0.00 0.94 0.77 0.00 89.59 01:25:01 PM 0 4.17 0.00 0.62 0.15 0.02 95.05 01:25:01 PM 1 9.17 0.00 1.00 0.84 0.00 88.99 01:25:01 PM 2 20.40 0.00 1.57 0.98 0.00 77.05 01:25:01 PM 3 1.00 0.00 0.58 1.12 0.00 97.29 01:26:01 PM all 10.60 0.00 1.08 0.73 0.01 87.58 01:26:01 PM 0 2.69 0.00 0.38 0.03 0.00 96.90 01:26:01 PM 1 9.14 0.00 0.74 0.74 0.00 89.39 01:26:01 PM 2 7.33 0.00 1.00 1.02 0.02 90.63 01:26:01 PM 3 23.25 0.00 2.20 1.12 0.03 73.40 01:27:01 PM all 26.37 0.00 2.39 1.47 0.01 69.76 01:27:01 PM 0 26.44 0.00 2.59 1.22 0.02 69.73 01:27:01 PM 1 24.44 0.00 2.37 1.84 0.02 71.34 01:27:01 PM 2 28.32 0.00 2.52 1.76 0.00 67.40 01:27:01 PM 3 26.26 0.00 2.06 1.07 0.02 70.59 01:28:01 PM all 43.26 0.00 1.87 0.60 0.01 54.26 01:28:01 PM 0 40.44 0.00 2.61 0.82 0.02 56.11 01:28:01 PM 1 49.20 0.00 1.34 0.17 0.02 49.28 01:28:01 PM 2 32.15 0.00 2.58 1.37 0.02 63.89 01:28:01 PM 3 51.21 0.00 0.97 0.03 0.00 47.79 01:29:01 PM all 12.97 0.00 1.06 0.49 0.01 85.46 01:29:01 PM 0 1.39 0.00 0.70 1.60 0.00 96.31 01:29:01 PM 1 20.97 0.00 1.05 0.02 0.02 77.95 01:29:01 PM 2 25.70 0.00 1.65 0.13 0.02 72.49 01:29:01 PM 3 3.82 0.00 0.85 0.20 0.02 95.11 Average: all 20.37 0.00 1.47 0.81 0.01 77.34 Average: 0 15.01 0.00 1.38 0.76 0.01 82.83 Average: 1 22.58 0.00 1.30 0.72 0.01 75.39 Average: 2 22.78 0.00 1.86 1.05 0.01 74.29 Average: 3 21.11 0.00 1.33 0.71 0.01 76.83