---> uname -a: Linux prd-centos8-docker-4c-4g-3825.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 12192 20 2795 14648 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:08:62:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.217/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86038sec preferred_lft 86038sec inet6 fe80::f816:3eff:fe08:62ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:19:8a:b7 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) 09/21/2026 _x86_64_ (4 CPU) 09:07:27 LINUX RESTART (4 CPU) 09:08:01 AM tps rtps wtps bread/s bwrtn/s 09:09:01 AM 198.30 10.06 188.24 2855.31 8681.12 09:10:01 AM 244.59 17.92 226.67 2221.38 17091.39 09:11:01 AM 32.02 0.05 31.97 1.07 7823.11 09:12:01 AM 3.37 0.00 3.37 0.00 277.94 09:13:01 AM 11.41 3.02 8.40 177.27 375.01 Average: 97.96 6.21 91.75 1051.20 6851.30 09:08:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:09:01 AM 13018680 15078632 3120636 19.34 2688 2268340 1395844 8.12 153052 2584440 340004 09:10:01 AM 11614424 14071996 4524892 28.04 2688 2658448 1965488 11.44 241124 3855320 215548 09:11:01 AM 10017388 12489896 6121928 37.93 2688 2672188 3294740 19.17 264100 5420656 3960 09:12:01 AM 9959068 12434988 6180248 38.29 2688 2675512 3310512 19.26 264120 5478664 1028 09:13:01 AM 12526444 15030508 3612872 22.39 2688 2702204 1109404 6.45 458492 2722316 26524 Average: 11427201 13821204 4712115 29.20 2688 2595338 2215198 12.89 276178 4012279 117413 09:08:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:09:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM eth0 143.52 93.90 1871.20 32.20 0.00 0.00 0.00 0.00 09:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 AM eth0 418.50 353.36 4993.30 52.84 0.00 0.00 0.00 0.00 09:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 AM eth0 65.43 41.05 34.25 46.66 0.00 0.00 0.00 0.00 09:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 AM eth0 220.88 141.31 83.58 81.99 0.00 0.00 0.00 0.00 09:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM lo 6.53 6.53 0.80 0.80 0.00 0.00 0.00 0.00 09:13:01 AM eth0 30.54 25.56 50.69 21.28 0.00 0.00 0.00 0.00 09:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 175.80 131.07 1407.13 46.99 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) 09/21/2026 _x86_64_ (4 CPU) 09:07:27 LINUX RESTART (4 CPU) 09:08:01 AM CPU %user %nice %system %iowait %steal %idle 09:09:01 AM all 21.48 0.00 2.25 1.03 0.03 75.21 09:09:01 AM 0 16.48 0.00 2.70 2.40 0.03 78.38 09:09:01 AM 1 28.61 0.00 2.79 0.73 0.03 67.84 09:09:01 AM 2 15.70 0.00 1.61 0.32 0.02 82.36 09:09:01 AM 3 25.14 0.00 1.91 0.65 0.03 72.26 09:10:01 AM all 49.90 0.00 2.47 1.30 0.03 46.31 09:10:01 AM 0 51.48 0.00 3.20 1.72 0.03 43.56 09:10:01 AM 1 47.00 0.00 2.39 1.27 0.02 49.32 09:10:01 AM 2 56.45 0.00 2.04 0.92 0.03 40.55 09:10:01 AM 3 44.66 0.00 2.24 1.30 0.02 51.78 09:11:01 AM all 64.54 0.00 1.52 0.20 0.04 33.71 09:11:01 AM 0 65.23 0.00 1.52 0.00 0.03 33.22 09:11:01 AM 1 70.28 0.00 1.00 0.00 0.02 28.70 09:11:01 AM 2 52.52 0.00 1.69 0.79 0.05 44.96 09:11:01 AM 3 70.10 0.00 1.85 0.02 0.05 27.98 09:12:01 AM all 14.18 0.00 1.45 0.01 0.02 84.34 09:12:01 AM 0 14.60 0.00 1.87 0.05 0.02 83.46 09:12:01 AM 1 14.63 0.00 1.07 0.00 0.03 84.26 09:12:01 AM 2 12.49 0.00 1.59 0.00 0.02 85.91 09:12:01 AM 3 15.00 0.00 1.25 0.00 0.02 83.73 09:13:01 AM all 52.09 0.00 1.67 0.09 0.03 46.12 09:13:01 AM 0 56.39 0.00 2.07 0.22 0.05 41.27 09:13:01 AM 1 63.17 0.00 1.69 0.07 0.05 35.02 09:13:01 AM 2 44.89 0.00 1.60 0.03 0.02 53.46 09:13:01 AM 3 43.89 0.00 1.30 0.05 0.02 54.74 Average: all 40.44 0.00 1.87 0.53 0.03 57.13 Average: 0 40.83 0.00 2.27 0.88 0.03 55.99 Average: 1 44.75 0.00 1.79 0.41 0.03 53.02 Average: 2 36.41 0.00 1.70 0.41 0.03 61.44 Average: 3 39.77 0.00 1.71 0.40 0.03 58.09