---> uname -a: Linux prd-centos8-docker-4c-4g-1068.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 784 12175 20 2801 14636 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:d8:fa:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.43/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85975sec preferred_lft 85975sec inet6 fe80::f816:3eff:fed8:fa80/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ed:59:03:72 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) 11/05/2026 _x86_64_ (4 CPU) 09:44:08 LINUX RESTART (4 CPU) 09:45:01 AM tps rtps wtps bread/s bwrtn/s 09:46:01 AM 95.43 6.11 89.32 927.29 5711.26 09:47:01 AM 162.62 18.95 143.68 3515.41 10421.75 09:48:01 AM 135.20 3.60 131.61 884.77 9289.04 09:49:01 AM 43.90 2.81 41.09 138.04 8183.98 09:50:01 AM 10.61 0.00 10.61 0.00 255.96 09:51:01 AM 10.25 0.57 9.68 59.45 463.46 Average: 76.33 5.34 70.99 920.71 5720.91 09:45:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:46:01 AM 13357044 15116392 2782272 17.24 2688 1976224 1101956 6.41 146664 2280200 137916 09:47:01 AM 12670436 14826712 3468880 21.49 2688 2361296 1343708 7.82 166068 2898796 184564 09:48:01 AM 11046452 13518580 5092864 31.56 2688 2671480 3012784 17.53 256788 4400588 227044 09:49:01 AM 9692016 12185052 6447300 39.95 2688 2691908 3678716 21.40 275932 5729304 3436 09:50:01 AM 9644076 12141840 6495240 40.24 2688 2696456 3710296 21.59 276024 5776484 2848 09:51:01 AM 12480872 14999628 3658444 22.67 2688 2715608 1144592 6.66 464948 2759544 41588 Average: 11481816 13798034 4657500 28.86 2688 2518829 2332009 13.57 264404 3974153 99566 09:45:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 AM eth0 63.78 41.92 963.94 12.46 0.00 0.00 0.00 0.00 09:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 AM eth0 163.46 129.33 1644.99 26.69 0.00 0.00 0.00 0.00 09:47:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 AM eth0 310.65 243.74 4292.78 35.50 0.00 0.00 0.00 0.00 09:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 AM lo 4.85 4.85 0.67 0.67 0.00 0.00 0.00 0.00 09:49:01 AM eth0 87.52 62.13 35.91 51.81 0.00 0.00 0.00 0.00 09:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 AM lo 2.50 2.50 0.20 0.20 0.00 0.00 0.00 0.00 09:50:01 AM eth0 336.90 213.60 114.16 107.06 0.00 0.00 0.00 0.00 09:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 AM lo 1.57 1.57 0.11 0.11 0.00 0.00 0.00 0.00 09:51:01 AM eth0 59.01 40.65 60.37 32.63 0.00 0.00 0.00 0.00 09:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.49 1.49 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 170.22 121.89 1185.28 44.36 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) 11/05/2026 _x86_64_ (4 CPU) 09:44:08 LINUX RESTART (4 CPU) 09:45:01 AM CPU %user %nice %system %iowait %steal %idle 09:46:01 AM all 10.65 0.00 1.26 0.56 0.01 87.52 09:46:01 AM 0 2.93 0.00 0.78 0.08 0.02 96.19 09:46:01 AM 1 23.10 0.00 2.07 0.55 0.02 74.26 09:46:01 AM 2 5.75 0.00 0.95 0.62 0.00 92.67 09:46:01 AM 3 10.82 0.00 1.22 1.00 0.02 86.94 09:47:01 AM all 17.49 0.00 1.62 1.04 0.01 79.84 09:47:01 AM 0 16.60 0.00 0.85 0.32 0.00 82.23 09:47:01 AM 1 18.94 0.00 1.82 1.75 0.02 77.47 09:47:01 AM 2 10.31 0.00 1.86 1.14 0.02 86.68 09:47:01 AM 3 24.11 0.00 1.94 0.95 0.00 73.00 09:48:01 AM all 60.05 0.00 2.12 0.73 0.03 37.07 09:48:01 AM 0 65.49 0.00 1.42 0.58 0.02 32.49 09:48:01 AM 1 51.95 0.00 2.21 0.69 0.03 45.12 09:48:01 AM 2 54.97 0.00 2.56 0.82 0.02 41.64 09:48:01 AM 3 67.79 0.00 2.29 0.84 0.03 29.05 09:49:01 AM all 56.15 0.00 1.63 0.23 0.03 41.96 09:49:01 AM 0 54.16 0.00 1.22 0.42 0.03 44.17 09:49:01 AM 1 57.12 0.00 2.04 0.10 0.02 40.73 09:49:01 AM 2 53.13 0.00 1.14 0.22 0.03 45.48 09:49:01 AM 3 60.21 0.00 2.14 0.18 0.02 37.45 09:50:01 AM all 13.84 0.00 1.82 0.04 0.01 84.30 09:50:01 AM 0 15.10 0.00 1.51 0.00 0.00 83.39 09:50:01 AM 1 10.99 0.00 2.11 0.08 0.02 86.80 09:50:01 AM 2 15.69 0.00 1.64 0.07 0.00 82.60 09:50:01 AM 3 13.58 0.00 2.01 0.02 0.02 84.38 09:51:01 AM all 44.16 0.00 1.85 0.05 0.02 53.91 09:51:01 AM 0 42.45 0.00 1.67 0.07 0.03 55.78 09:51:01 AM 1 62.50 0.00 1.85 0.05 0.02 35.58 09:51:01 AM 2 35.50 0.00 1.97 0.03 0.02 62.48 09:51:01 AM 3 36.16 0.00 1.92 0.05 0.02 61.85 Average: all 33.72 0.00 1.72 0.44 0.02 64.10 Average: 0 32.78 0.00 1.24 0.24 0.02 65.71 Average: 1 37.44 0.00 2.02 0.54 0.02 59.99 Average: 2 29.23 0.00 1.69 0.48 0.01 68.59 Average: 3 35.44 0.00 1.92 0.51 0.02 62.12