---> uname -a: Linux prd-centos8-docker-4c-4g-2846.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 768 12100 20 2891 14654 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:61:ec:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86059sec preferred_lft 86059sec inet6 fe80::f816:3eff:fe61:ecd9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:7c:9d:0f 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) 10/18/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 57.78 0.20 57.58 29.99 4365.99 01:26:01 PM 136.24 14.85 121.39 3116.16 12376.17 01:27:01 PM 179.84 6.25 173.59 1080.49 11757.29 01:28:01 PM 44.30 1.43 42.87 87.44 9542.42 Average: 104.54 5.68 98.85 1078.52 9510.38 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13352284 15129124 2787032 17.27 2688 1993936 1086924 6.32 138308 2294616 173760 01:26:01 PM 12900140 14984308 3239176 20.07 2688 2291752 1430676 8.32 186388 2654544 71124 01:27:01 PM 11359976 13722592 4779340 29.61 2688 2564240 2391264 13.91 255120 4096228 1992 01:28:01 PM 12390724 15004364 3748592 23.23 2688 2813244 1180900 6.87 352544 2970248 4 Average: 12500781 14710097 3638535 22.54 2688 2415793 1522441 8.86 233090 3003909 61720 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 74.69 48.67 890.40 6.38 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 100.27 73.83 1091.50 19.92 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 17.36 17.36 4.05 4.05 0.00 0.00 0.00 0.00 01:27:01 PM eth0 327.28 266.71 3766.91 54.55 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 14.61 14.61 4.25 4.25 0.00 0.00 0.00 0.00 01:28:01 PM eth0 81.54 71.68 267.71 932.39 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 7.99 7.99 2.08 2.08 0.00 0.00 0.00 0.00 Average: eth0 145.94 115.21 1504.04 253.32 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) 10/18/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 8.91 0.00 0.95 0.28 0.00 89.86 01:25:01 PM 0 4.64 0.00 0.63 0.35 0.00 94.37 01:25:01 PM 1 18.99 0.00 1.63 0.40 0.00 78.97 01:25:01 PM 2 1.07 0.00 0.20 0.07 0.00 98.66 01:25:01 PM 3 10.91 0.00 1.32 0.28 0.02 87.47 01:26:01 PM all 16.33 0.00 1.85 0.90 0.01 80.91 01:26:01 PM 0 19.66 0.00 2.24 0.69 0.02 77.40 01:26:01 PM 1 15.41 0.00 1.40 0.80 0.02 82.37 01:26:01 PM 2 10.48 0.00 1.59 1.39 0.00 86.54 01:26:01 PM 3 19.76 0.00 2.15 0.73 0.02 77.33 01:27:01 PM all 53.01 0.00 2.47 0.95 0.03 43.55 01:27:01 PM 0 54.39 0.00 3.55 1.35 0.05 40.66 01:27:01 PM 1 60.48 0.00 1.47 0.50 0.03 37.51 01:27:01 PM 2 54.78 0.00 1.45 0.42 0.02 43.33 01:27:01 PM 3 42.36 0.00 3.40 1.52 0.02 52.70 01:28:01 PM all 15.46 0.00 1.49 0.35 0.00 82.70 01:28:01 PM 0 9.56 0.00 1.60 0.22 0.00 88.62 01:28:01 PM 1 14.05 0.00 0.97 0.25 0.00 84.73 01:28:01 PM 2 26.75 0.00 1.62 0.62 0.02 70.99 01:28:01 PM 3 11.46 0.00 1.76 0.32 0.00 86.46 Average: all 23.42 0.00 1.69 0.62 0.01 74.26 Average: 0 22.06 0.00 2.01 0.65 0.02 75.27 Average: 1 27.23 0.00 1.37 0.49 0.01 70.90 Average: 2 23.28 0.00 1.22 0.62 0.01 74.87 Average: 3 21.12 0.00 2.16 0.71 0.01 76.00