---> uname -a: Linux prd-centos8-docker-4c-4g-961.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 773 12198 20 2789 14647 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:52:d8:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.251/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86033sec preferred_lft 86033sec inet6 fe80::f816:3eff:fe52:d83c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:ed:72:aa 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) 10/12/2026 _x86_64_ (4 CPU) 16:17:41 LINUX RESTART (4 CPU) 04:18:01 PM tps rtps wtps bread/s bwrtn/s 04:19:01 PM 194.32 21.47 172.85 5683.42 9593.15 04:20:01 PM 208.26 20.95 187.31 4151.63 15325.40 04:21:01 PM 80.47 0.92 79.55 76.06 9692.22 04:22:01 PM 4.17 0.00 4.17 0.00 290.03 04:23:01 PM 5.98 2.93 3.05 139.86 216.20 Average: 98.64 9.25 89.38 2010.02 7023.71 04:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:19:01 PM 13126152 15035688 3013156 18.67 2688 2122248 1162068 6.76 158288 2482864 252132 04:20:01 PM 11774012 14039396 4365296 27.05 2688 2468436 1963708 11.42 230684 3712152 76336 04:21:01 PM 10126356 12591840 6012952 37.26 2688 2665456 3180436 18.50 260516 5315464 2952 04:22:01 PM 10051140 12520736 6088168 37.72 2688 2669440 3196208 18.60 261704 5388756 1304 04:23:01 PM 11322384 13813496 4816924 29.85 2688 2690440 2133004 12.41 277284 4105316 13116 Average: 11280009 13600231 4859299 30.11 2688 2523204 2327085 13.54 237695 4200910 69168 04:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM eth0 352.79 225.82 2219.77 73.22 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM eth0 225.60 199.35 2463.12 32.25 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM eth0 281.70 195.97 2965.69 49.17 0.00 0.00 0.00 0.00 04:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM eth0 246.86 166.39 93.48 90.20 0.00 0.00 0.00 0.00 04:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 PM lo 6.79 6.79 0.82 0.82 0.00 0.00 0.00 0.00 04:23:01 PM eth0 24.19 21.84 5.75 11.14 0.00 0.00 0.00 0.00 04:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.36 1.36 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 226.21 161.87 1549.68 51.19 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) 10/12/2026 _x86_64_ (4 CPU) 16:17:41 LINUX RESTART (4 CPU) 04:18:01 PM CPU %user %nice %system %iowait %steal %idle 04:19:01 PM all 23.10 0.00 2.97 1.25 0.02 72.66 04:19:01 PM 0 23.35 0.00 2.99 0.68 0.02 72.95 04:19:01 PM 1 21.74 0.00 3.01 2.41 0.02 72.83 04:19:01 PM 2 27.99 0.00 3.30 1.56 0.02 67.14 04:19:01 PM 3 19.32 0.00 2.60 0.34 0.02 77.73 04:20:01 PM all 49.37 0.00 2.58 1.17 0.03 46.86 04:20:01 PM 0 59.05 0.00 2.24 0.63 0.03 38.05 04:20:01 PM 1 48.68 0.00 2.39 1.03 0.02 47.88 04:20:01 PM 2 50.95 0.00 3.04 1.72 0.03 44.25 04:20:01 PM 3 38.76 0.00 2.66 1.27 0.02 57.29 04:21:01 PM all 59.71 0.00 2.07 0.38 0.03 37.81 04:21:01 PM 0 46.78 0.00 2.46 0.40 0.02 50.34 04:21:01 PM 1 63.09 0.00 2.42 0.13 0.03 34.32 04:21:01 PM 2 66.35 0.00 2.05 0.72 0.03 30.85 04:21:01 PM 3 62.59 0.00 1.37 0.25 0.03 35.76 04:22:01 PM all 15.86 0.00 1.85 0.02 0.01 82.26 04:22:01 PM 0 17.45 0.00 2.02 0.02 0.02 80.49 04:22:01 PM 1 17.02 0.00 1.45 0.05 0.02 81.46 04:22:01 PM 2 13.01 0.00 2.19 0.00 0.02 84.79 04:22:01 PM 3 15.94 0.00 1.74 0.00 0.00 82.32 04:23:01 PM all 47.67 0.00 1.20 0.03 0.03 51.07 04:23:01 PM 0 65.56 0.00 1.30 0.07 0.03 33.04 04:23:01 PM 1 57.46 0.00 1.40 0.02 0.03 41.09 04:23:01 PM 2 38.34 0.00 0.73 0.02 0.02 60.89 04:23:01 PM 3 29.28 0.00 1.35 0.03 0.03 69.30 Average: all 39.15 0.00 2.14 0.57 0.02 58.12 Average: 0 42.45 0.00 2.20 0.36 0.02 54.97 Average: 1 41.61 0.00 2.13 0.73 0.02 55.51 Average: 2 39.34 0.00 2.26 0.80 0.02 57.57 Average: 3 33.20 0.00 1.94 0.38 0.02 64.46