---> uname -a: Linux prd-centos8-docker-4c-4g-205.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: 2799.996 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 766 12197 20 2796 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:ef:a2:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.79/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85984sec preferred_lft 85984sec inet6 fe80::f816:3eff:feef:a2fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6c:fe:fe:f4 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) 09/09/2026 _x86_64_ (4 CPU) 11:57:01 LINUX RESTART (4 CPU) 11:58:01 AM tps rtps wtps bread/s bwrtn/s 11:59:01 AM 153.70 14.63 139.07 3099.23 13808.81 12:00:01 PM 114.51 5.61 108.90 924.20 6696.57 12:01:01 PM 78.45 1.77 76.69 114.38 8394.75 12:02:01 PM 10.70 0.07 10.64 1.76 472.15 12:03:01 PM 3.23 1.73 1.50 51.59 288.10 12:04:01 PM 21.20 2.47 18.73 241.03 1031.98 Average: 63.78 4.39 59.39 740.77 5128.27 11:58:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:59:01 AM 12834620 14942144 3304696 20.48 2688 2314628 1271516 7.40 159436 2743244 80640 12:00:01 PM 12000856 14270264 4138460 25.64 2688 2472252 1943012 11.30 226320 3490924 37924 12:01:01 PM 9942068 12415412 6197248 38.40 2688 2672760 3609508 21.00 265304 5492924 3144 12:02:01 PM 9763264 12241944 6376052 39.51 2688 2677928 3656856 21.28 265756 5671404 2252 12:03:01 PM 8276052 10762932 7863264 48.72 2688 2685916 5118512 29.78 268352 7151800 1208 12:04:01 PM 12503380 15018780 3635936 22.53 2688 2712336 1135372 6.61 486360 2714152 23272 Average: 10886707 13275246 5252609 32.55 2688 2589303 2789129 16.23 278588 4544075 24740 11:58:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:59:01 AM eth0 162.16 123.48 1133.08 20.60 0.00 0.00 0.00 0.00 11:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 PM eth0 227.92 192.27 1961.36 28.97 0.00 0.00 0.00 0.00 12:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:01:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:01:01 PM eth0 247.58 193.40 2988.45 33.33 0.00 0.00 0.00 0.00 12:01:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:02:01 PM eth0 116.73 80.66 91.90 92.60 0.00 0.00 0.00 0.00 12:02:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:03:01 PM eth0 80.85 64.22 48.71 48.49 0.00 0.00 0.00 0.00 12:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:04:01 PM lo 6.70 6.70 0.81 0.81 0.00 0.00 0.00 0.00 12:04:01 PM eth0 24.45 21.30 16.53 20.26 0.00 0.00 0.00 0.00 12:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 143.36 112.64 1042.62 40.57 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) 09/09/2026 _x86_64_ (4 CPU) 11:57:01 LINUX RESTART (4 CPU) 11:58:01 AM CPU %user %nice %system %iowait %steal %idle 11:59:01 AM all 16.57 0.00 1.74 0.95 0.02 80.72 11:59:01 AM 0 10.17 0.00 1.27 0.95 0.02 87.59 11:59:01 AM 1 22.99 0.00 2.57 0.80 0.03 73.60 11:59:01 AM 2 19.81 0.00 2.14 1.39 0.02 76.64 11:59:01 AM 3 13.32 0.00 0.97 0.65 0.02 85.04 12:00:01 PM all 34.28 0.00 1.52 0.59 0.03 63.59 12:00:01 PM 0 30.43 0.00 1.09 0.37 0.03 68.08 12:00:01 PM 1 39.64 0.00 1.34 0.53 0.02 58.47 12:00:01 PM 2 30.36 0.00 1.49 0.33 0.03 67.78 12:00:01 PM 3 36.68 0.00 2.16 1.12 0.02 60.02 12:01:01 PM all 65.60 0.00 1.78 0.34 0.05 32.23 12:01:01 PM 0 41.58 0.00 2.36 0.70 0.03 55.32 12:01:01 PM 1 68.16 0.00 1.19 0.08 0.05 30.52 12:01:01 PM 2 77.61 0.00 2.56 0.38 0.03 19.41 12:01:01 PM 3 74.98 0.00 1.00 0.18 0.07 23.76 12:02:01 PM all 29.80 0.00 1.32 0.01 0.02 68.85 12:02:01 PM 0 22.54 0.00 1.73 0.05 0.03 75.64 12:02:01 PM 1 29.28 0.00 1.31 0.00 0.02 69.40 12:02:01 PM 2 34.53 0.00 1.22 0.00 0.02 64.23 12:02:01 PM 3 32.83 0.00 1.02 0.00 0.02 66.13 12:03:01 PM all 30.00 0.00 1.17 0.03 0.02 68.78 12:03:01 PM 0 17.19 0.00 1.40 0.00 0.02 81.39 12:03:01 PM 1 24.50 0.00 0.73 0.00 0.02 74.75 12:03:01 PM 2 25.38 0.00 1.07 0.03 0.02 73.50 12:03:01 PM 3 52.90 0.00 1.49 0.08 0.02 45.52 12:04:01 PM all 40.73 0.00 2.01 0.08 0.02 57.16 12:04:01 PM 0 26.98 0.00 1.80 0.20 0.02 70.99 12:04:01 PM 1 31.90 0.00 1.90 0.03 0.02 66.15 12:04:01 PM 2 46.74 0.00 1.97 0.05 0.02 51.23 12:04:01 PM 3 57.31 0.00 2.37 0.05 0.02 40.25 Average: all 36.18 0.00 1.59 0.33 0.02 61.87 Average: 0 24.82 0.00 1.61 0.38 0.03 73.17 Average: 1 36.10 0.00 1.51 0.24 0.03 62.13 Average: 2 39.08 0.00 1.74 0.37 0.02 58.79 Average: 3 44.71 0.00 1.50 0.35 0.03 53.41