---> uname -a: Linux prd-centos8-docker-4c-4g-18529.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1032 10809 20 3919 14378 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:76:1c:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.234/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fe76:1cbf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:35:f4:d2:fa 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 inet6 fe80::42:35ff:fef4:d2fa/64 scope link 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) 09/07/2026 _x86_64_ (4 CPU) 12:27:31 LINUX RESTART (4 CPU) 12:28:01 PM tps rtps wtps bread/s bwrtn/s 12:29:01 PM 191.62 8.97 182.65 1182.74 6179.80 12:30:01 PM 127.57 4.90 122.68 445.98 13741.29 12:31:01 PM 199.55 2.00 197.55 727.76 20317.44 12:32:01 PM 1080.06 60.65 1019.41 920.76 35308.43 12:33:01 PM 132.94 59.03 73.91 1280.24 4668.66 Average: 346.35 27.11 319.24 911.49 16043.45 12:28:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 PM 13314796 15097936 2824520 17.50 2688 1999116 1085188 6.31 139648 2327884 172592 12:30:01 PM 12754256 14788232 3385060 20.97 2688 2241128 1447584 8.42 158552 2826156 38076 12:31:01 PM 9673112 12256928 6466204 40.06 2688 2775920 4510572 26.24 277276 5715880 1344 12:32:01 PM 10357836 13920412 5781480 35.82 2688 3555072 1878444 10.93 400716 4475380 83044 12:33:01 PM 11113472 14753076 5025844 31.14 2688 3627688 1179444 6.86 606436 3517052 13884 Average: 11442694 14163317 4696622 29.10 2688 2839785 2020246 11.75 316526 3772470 61788 12:28:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 153.47 119.56 1276.43 44.23 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 179.09 139.24 1386.47 21.10 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM lo 3.55 3.55 1.57 1.57 0.00 0.00 0.00 0.00 12:31:01 PM eth0 386.17 282.02 4716.32 32.01 0.00 0.00 0.00 0.00 12:31:01 PM docker0 2.13 1.98 1.30 0.32 0.00 0.00 0.00 0.00 12:31:01 PM veth3fa25db 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 12:31:01 PM veth06f2274 2.02 1.88 1.33 0.31 0.00 0.00 0.00 0.00 12:32:01 PM lo 2.82 2.82 2.94 2.94 0.00 0.00 0.00 0.00 12:32:01 PM eth0 205.55 163.28 1873.08 33.57 0.00 0.00 0.00 0.00 12:32:01 PM docker0 1.30 1.42 2.79 0.15 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM eth0 16.18 13.76 44.81 4.41 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.90 0.90 0.00 0.00 0.00 0.00 Average: eth0 188.09 143.57 1859.44 27.07 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.68 0.82 0.09 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) 09/07/2026 _x86_64_ (4 CPU) 12:27:31 LINUX RESTART (4 CPU) 12:28:01 PM CPU %user %nice %system %iowait %steal %idle 12:29:01 PM all 16.19 0.00 2.17 0.85 0.03 80.76 12:29:01 PM 0 3.09 0.00 1.67 0.20 0.03 95.01 12:29:01 PM 1 22.60 0.00 2.21 0.38 0.03 74.78 12:29:01 PM 2 28.45 0.00 2.89 0.70 0.02 67.94 12:29:01 PM 3 10.66 0.00 1.93 2.11 0.02 85.29 12:30:01 PM all 15.15 0.00 1.48 0.79 0.02 82.56 12:30:01 PM 0 12.79 0.00 0.95 0.82 0.02 85.42 12:30:01 PM 1 14.57 0.00 1.89 1.52 0.00 82.02 12:30:01 PM 2 22.20 0.00 2.14 0.62 0.05 74.99 12:30:01 PM 3 11.03 0.00 0.94 0.22 0.00 87.81 12:31:01 PM all 32.49 0.13 3.24 1.07 0.02 63.06 12:31:01 PM 0 36.21 0.05 2.57 0.64 0.03 60.51 12:31:01 PM 1 27.22 0.24 3.59 1.16 0.02 67.78 12:31:01 PM 2 31.96 0.07 3.09 0.87 0.02 64.00 12:31:01 PM 3 34.54 0.15 3.71 1.61 0.02 59.97 12:32:01 PM all 33.73 0.00 10.88 6.08 0.05 49.25 12:32:01 PM 0 23.35 0.00 9.71 4.99 0.05 61.89 12:32:01 PM 1 34.31 0.00 10.96 5.74 0.05 48.94 12:32:01 PM 2 46.12 0.00 12.74 6.98 0.05 34.11 12:32:01 PM 3 31.07 0.00 10.11 6.61 0.05 52.17 12:33:01 PM all 43.59 0.00 2.04 0.81 0.03 53.54 12:33:01 PM 0 31.38 0.00 1.72 0.85 0.02 66.03 12:33:01 PM 1 30.10 0.00 1.69 0.62 0.02 67.58 12:33:01 PM 2 63.72 0.00 2.52 0.94 0.05 32.77 12:33:01 PM 3 49.16 0.00 2.21 0.84 0.03 47.76 Average: all 28.21 0.03 3.94 1.91 0.03 65.89 Average: 0 21.34 0.01 3.30 1.49 0.03 73.83 Average: 1 25.73 0.05 4.05 1.88 0.02 68.28 Average: 2 38.47 0.01 4.66 2.01 0.04 54.80 Average: 3 27.28 0.03 3.75 2.26 0.02 66.65