---> uname -a: Linux prd-centos8-docker-8c-8g-16550.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: 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): 0-7 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 1006 28279 20 2602 30429 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:8e:2a:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.178/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe8e:2a84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:b5:4e:ba 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) 08/30/2026 _x86_64_ (8 CPU) 05:17:35 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 221.98 7.67 214.31 1352.57 7349.29 05:20:01 AM 238.85 2.37 236.49 640.32 16168.43 05:21:01 AM 82.96 2.58 80.37 464.91 6799.10 Average: 181.26 4.20 177.06 819.24 10105.76 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29391424 31268104 3261948 9.99 2688 2194692 1386308 4.11 148076 2661680 341932 05:20:01 AM 27563468 29603920 5089904 15.59 2688 2350184 2835812 8.41 212816 4372104 67040 05:21:01 AM 28954852 31154648 3698520 11.33 2688 2505192 1477964 4.39 243720 2943052 56132 Average: 28636581 30675557 4016791 12.30 2688 2350023 1900028 5.64 201537 3325612 155035 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 148.54 110.36 1833.26 36.59 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 224.26 205.83 1676.88 45.15 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 234.51 217.53 1565.52 164.22 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 202.44 177.91 1691.88 81.99 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) 08/30/2026 _x86_64_ (8 CPU) 05:17:35 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.75 0.00 1.06 0.60 0.00 88.57 05:19:01 AM 0 2.72 0.00 0.75 0.23 0.00 96.29 05:19:01 AM 1 23.16 0.00 1.99 0.70 0.00 74.16 05:19:01 AM 2 11.71 0.00 0.87 0.23 0.02 87.17 05:19:01 AM 3 2.98 0.00 0.65 0.37 0.00 96.00 05:19:01 AM 4 2.36 0.00 1.09 2.79 0.00 93.76 05:19:01 AM 5 20.38 0.00 1.80 0.23 0.02 77.57 05:19:01 AM 6 11.78 0.00 0.87 0.27 0.00 87.08 05:19:01 AM 7 2.91 0.00 0.50 0.00 0.00 96.59 05:20:01 AM all 34.81 0.00 1.61 0.63 0.01 62.94 05:20:01 AM 0 42.08 0.00 1.51 0.50 0.02 55.90 05:20:01 AM 1 29.98 0.00 1.82 0.48 0.02 67.69 05:20:01 AM 2 35.08 0.00 1.49 0.57 0.00 62.86 05:20:01 AM 3 32.41 0.00 2.07 1.00 0.02 64.50 05:20:01 AM 4 36.62 0.00 1.92 0.70 0.02 60.73 05:20:01 AM 5 33.48 0.00 1.09 0.45 0.02 64.97 05:20:01 AM 6 42.27 0.00 1.57 0.63 0.02 55.51 05:20:01 AM 7 26.55 0.00 1.39 0.70 0.02 71.34 05:21:01 AM all 33.27 0.00 1.62 0.21 0.02 64.89 05:21:01 AM 0 40.36 0.00 1.97 0.10 0.02 57.55 05:21:01 AM 1 28.24 0.00 1.57 0.15 0.02 70.02 05:21:01 AM 2 35.30 0.00 2.19 0.47 0.03 62.01 05:21:01 AM 3 37.82 0.00 1.64 0.25 0.02 60.28 05:21:01 AM 4 26.54 0.00 1.52 0.22 0.02 71.70 05:21:01 AM 5 36.60 0.00 1.34 0.20 0.02 61.84 05:21:01 AM 6 33.36 0.00 1.35 0.13 0.02 65.14 05:21:01 AM 7 27.90 0.00 1.37 0.15 0.02 70.56 Average: all 25.94 0.00 1.43 0.48 0.01 72.14 Average: 0 28.38 0.00 1.41 0.28 0.01 69.92 Average: 1 27.13 0.00 1.79 0.45 0.01 70.62 Average: 2 27.36 0.00 1.52 0.42 0.02 70.68 Average: 3 24.41 0.00 1.46 0.54 0.01 73.59 Average: 4 21.83 0.00 1.51 1.24 0.01 75.41 Average: 5 30.14 0.00 1.41 0.30 0.02 68.14 Average: 6 29.13 0.00 1.26 0.35 0.01 69.25 Average: 7 19.11 0.00 1.09 0.28 0.01 79.51