---> uname -a: Linux prd-centos8-docker-8c-8g-78.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1016 28264 20 2606 30418 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:f9:15:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.92/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fef9:1596/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:64:8f:ae:46 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) 10/08/2026 _x86_64_ (8 CPU) 05:17:43 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 169.51 18.31 151.20 2944.64 7762.53 05:20:01 AM 216.46 3.78 212.68 1043.79 15323.44 05:21:01 AM 99.97 1.52 98.45 387.87 5905.00 Average: 161.98 7.87 154.11 1458.76 9663.66 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29435424 31207236 3217948 9.85 2688 2094212 1475060 4.38 150360 2627016 251144 05:20:01 AM 26740992 28764280 5912380 18.11 2688 2334544 4073404 12.09 205004 5207596 78716 05:21:01 AM 26515308 28710832 6138064 18.80 2688 2501364 4092956 12.14 238384 5377600 85904 Average: 27563908 29560783 5089464 15.59 2688 2310040 3213807 9.54 197916 4404071 138588 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 351.48 241.42 2053.73 64.49 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 247.05 228.99 2114.20 63.07 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 168.68 139.97 1552.90 28.97 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 255.74 203.46 1906.94 52.18 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) 10/08/2026 _x86_64_ (8 CPU) 05:17:43 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 12.22 0.00 1.64 1.34 0.00 84.79 05:19:01 AM 0 5.40 0.00 0.67 1.19 0.00 92.74 05:19:01 AM 1 11.05 0.00 1.98 1.05 0.00 85.92 05:19:01 AM 2 21.87 0.00 2.30 0.70 0.02 75.11 05:19:01 AM 3 11.22 0.00 2.11 3.06 0.00 83.61 05:19:01 AM 4 11.24 0.00 1.39 1.17 0.00 86.20 05:19:01 AM 5 3.46 0.00 1.48 2.03 0.00 93.04 05:19:01 AM 6 9.81 0.00 0.93 0.25 0.00 89.00 05:19:01 AM 7 23.69 0.00 2.29 1.27 0.00 72.75 05:20:01 AM all 29.19 0.00 1.80 0.64 0.02 68.35 05:20:01 AM 0 31.87 0.00 1.27 0.79 0.02 66.05 05:20:01 AM 1 36.63 0.00 2.56 0.54 0.02 60.26 05:20:01 AM 2 35.03 0.00 1.72 0.33 0.02 62.90 05:20:01 AM 3 37.48 0.00 2.48 0.60 0.02 59.42 05:20:01 AM 4 25.26 0.00 1.87 0.70 0.03 72.13 05:20:01 AM 5 17.24 0.00 1.49 0.89 0.02 80.36 05:20:01 AM 6 24.65 0.00 1.77 0.85 0.02 72.70 05:20:01 AM 7 25.33 0.00 1.24 0.42 0.02 72.99 05:21:01 AM all 40.31 0.00 1.83 0.24 0.01 57.61 05:21:01 AM 0 40.13 0.00 1.50 0.22 0.02 58.13 05:21:01 AM 1 39.76 0.00 1.44 0.10 0.00 58.71 05:21:01 AM 2 39.47 0.00 2.78 0.44 0.02 57.30 05:21:01 AM 3 43.51 0.00 1.64 0.18 0.02 54.65 05:21:01 AM 4 33.28 0.00 2.06 0.12 0.02 64.53 05:21:01 AM 5 37.71 0.00 1.62 0.42 0.02 60.23 05:21:01 AM 6 51.12 0.00 2.01 0.20 0.02 46.66 05:21:01 AM 7 37.49 0.00 1.59 0.27 0.02 60.64 Average: all 27.24 0.00 1.76 0.74 0.01 70.25 Average: 0 25.81 0.00 1.15 0.73 0.01 72.30 Average: 1 29.15 0.00 1.99 0.56 0.01 68.29 Average: 2 32.11 0.00 2.27 0.49 0.02 65.11 Average: 3 30.74 0.00 2.08 1.28 0.01 65.89 Average: 4 23.26 0.00 1.77 0.66 0.02 74.29 Average: 5 19.49 0.00 1.53 1.11 0.01 77.86 Average: 6 28.52 0.00 1.57 0.43 0.01 69.47 Average: 7 28.84 0.00 1.71 0.65 0.01 68.79