---> uname -a: Linux prd-centos8-docker-8c-8g-3215.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 1009 28277 20 2601 30426 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:ed:45:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.115/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:feed:4584/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3e:21:30:99 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) 09/19/2026 _x86_64_ (8 CPU) 05:17:34 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 179.19 7.69 171.50 1228.60 7044.26 05:20:01 AM 216.34 2.20 214.15 626.46 15342.37 05:21:01 AM 94.79 1.58 93.20 393.34 7216.56 Average: 163.35 3.80 159.55 746.79 9883.50 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29375488 31251184 3277884 10.04 2688 2193700 1385036 4.11 148188 2677276 338960 05:20:01 AM 27116228 29145276 5537144 16.96 2688 2339732 3611228 10.72 209964 4827780 79136 05:21:01 AM 28952792 31142972 3700580 11.33 2688 2496212 1471056 4.36 242956 2946564 48828 Average: 28481503 30513144 4171869 12.78 2688 2343215 2155773 6.40 200369 3483873 155641 05:18:02 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 124.82 81.94 1842.63 29.43 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 258.58 233.24 1654.27 52.46 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 203.77 171.03 1551.98 35.67 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 196.12 162.52 1682.07 39.24 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) 09/19/2026 _x86_64_ (8 CPU) 05:17:34 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 10.29 0.00 1.18 0.49 0.01 88.02 05:19:01 AM 0 8.26 0.00 1.25 0.10 0.02 90.37 05:19:01 AM 1 17.49 0.00 1.78 0.39 0.00 80.34 05:19:01 AM 2 1.69 0.00 0.34 0.00 0.02 97.96 05:19:01 AM 3 2.82 0.00 0.58 0.14 0.00 96.47 05:19:01 AM 4 5.93 0.00 0.53 0.29 0.02 93.24 05:19:01 AM 5 20.43 0.00 1.99 1.24 0.02 76.32 05:19:01 AM 6 20.94 0.00 2.17 0.92 0.02 75.95 05:19:01 AM 7 4.76 0.00 0.82 0.83 0.02 93.58 05:20:01 AM all 33.95 0.00 1.65 0.59 0.02 63.79 05:20:01 AM 0 46.08 0.00 1.05 0.23 0.02 52.62 05:20:01 AM 1 35.98 0.00 1.94 0.65 0.02 61.40 05:20:01 AM 2 33.58 0.00 1.27 0.50 0.00 64.64 05:20:01 AM 3 23.25 0.00 1.82 0.45 0.02 74.46 05:20:01 AM 4 21.98 0.00 1.34 0.74 0.03 75.91 05:20:01 AM 5 33.86 0.00 2.01 1.02 0.03 63.08 05:20:01 AM 6 42.60 0.00 2.29 0.75 0.05 54.30 05:20:01 AM 7 34.24 0.00 1.44 0.40 0.02 63.90 05:21:01 AM all 36.69 0.00 1.92 0.23 0.03 61.13 05:21:01 AM 0 27.53 0.00 2.29 0.60 0.03 69.55 05:21:01 AM 1 37.78 0.00 2.11 0.25 0.03 59.83 05:21:01 AM 2 36.52 0.00 1.89 0.08 0.05 61.46 05:21:01 AM 3 39.97 0.00 2.88 0.27 0.05 56.84 05:21:01 AM 4 31.15 0.00 1.29 0.23 0.02 67.31 05:21:01 AM 5 51.54 0.00 1.87 0.20 0.03 46.36 05:21:01 AM 6 32.28 0.00 1.69 0.10 0.02 65.92 05:21:01 AM 7 36.77 0.00 1.35 0.08 0.02 61.78 Average: all 27.06 0.00 1.58 0.44 0.02 70.89 Average: 0 27.38 0.00 1.53 0.31 0.02 70.75 Average: 1 30.48 0.00 1.94 0.43 0.02 67.13 Average: 2 24.06 0.00 1.17 0.20 0.02 74.55 Average: 3 22.11 0.00 1.77 0.29 0.02 75.81 Average: 4 19.75 0.00 1.05 0.42 0.02 78.75 Average: 5 35.36 0.00 1.95 0.82 0.03 61.84 Average: 6 31.99 0.00 2.05 0.59 0.03 65.34 Average: 7 25.37 0.00 1.20 0.44 0.02 72.98