---> uname -a: Linux prd-centos8-docker-8c-8g-1226.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 28275 20 2595 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:8a:e2:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.204/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe8a:e221/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8e:a5:7f:e0 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) 09/14/2026 _x86_64_ (8 CPU) 05:17:23 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 124.99 1.85 123.14 319.63 10650.17 05:20:01 AM 192.55 2.37 190.19 640.32 11773.53 05:21:01 AM 92.65 1.63 91.02 393.93 6909.57 Average: 136.73 1.95 134.78 451.30 9777.91 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29371752 31240476 3281620 10.05 2688 2186700 1395472 4.14 148124 2666356 230312 05:20:01 AM 27384456 29405268 5268916 16.14 2688 2331888 3048536 9.05 209964 4561492 70196 05:21:01 AM 28969140 31152392 3684232 11.28 2688 2489220 1427632 4.24 241584 2930384 48800 Average: 28575116 30599379 4078256 12.49 2688 2335936 1957213 5.81 199891 3386077 116436 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 144.07 105.80 1826.67 34.91 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 232.86 213.16 1652.49 44.39 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 193.82 168.72 1561.75 41.37 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 190.25 162.56 1680.31 40.22 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) 09/14/2026 _x86_64_ (8 CPU) 05:17:23 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 9.22 0.00 1.03 0.27 0.02 89.47 05:19:01 AM 0 4.52 0.00 0.93 0.13 0.00 94.41 05:19:01 AM 1 6.81 0.00 0.50 0.07 0.00 92.62 05:19:01 AM 2 7.45 0.00 1.04 0.40 0.02 91.09 05:19:01 AM 3 16.56 0.00 1.97 0.35 0.02 81.11 05:19:01 AM 4 3.38 0.00 0.44 0.05 0.02 96.12 05:19:01 AM 5 6.41 0.00 0.43 0.25 0.02 92.89 05:19:01 AM 6 5.92 0.00 0.45 0.13 0.02 93.48 05:19:01 AM 7 22.69 0.00 2.45 0.77 0.05 74.04 05:20:01 AM all 32.88 0.00 1.72 0.45 0.02 64.93 05:20:01 AM 0 38.03 0.00 2.34 0.84 0.03 58.76 05:20:01 AM 1 25.77 0.00 1.62 0.32 0.02 72.28 05:20:01 AM 2 46.00 0.00 1.62 0.47 0.03 51.87 05:20:01 AM 3 36.49 0.00 1.60 0.30 0.02 61.58 05:20:01 AM 4 31.78 0.00 1.64 0.37 0.03 66.17 05:20:01 AM 5 24.53 0.00 1.44 0.23 0.00 73.80 05:20:01 AM 6 28.58 0.00 1.51 0.20 0.02 69.70 05:20:01 AM 7 31.82 0.00 1.96 0.89 0.02 65.32 05:21:01 AM all 38.58 0.00 1.93 0.22 0.02 59.25 05:21:01 AM 0 43.16 0.00 1.75 0.07 0.02 55.01 05:21:01 AM 1 37.63 0.00 2.06 0.35 0.03 59.93 05:21:01 AM 2 37.21 0.00 1.99 0.25 0.02 60.54 05:21:01 AM 3 49.51 0.00 2.51 0.22 0.02 47.75 05:21:01 AM 4 38.45 0.00 1.82 0.08 0.02 59.63 05:21:01 AM 5 26.83 0.00 1.77 0.28 0.02 71.10 05:21:01 AM 6 40.13 0.00 1.54 0.40 0.02 57.91 05:21:01 AM 7 35.74 0.00 1.97 0.12 0.03 62.14 Average: all 26.88 0.00 1.56 0.31 0.02 71.23 Average: 0 28.56 0.00 1.67 0.35 0.02 69.41 Average: 1 23.39 0.00 1.39 0.25 0.02 74.95 Average: 2 30.22 0.00 1.55 0.37 0.02 67.84 Average: 3 34.17 0.00 2.03 0.29 0.02 63.50 Average: 4 24.54 0.00 1.30 0.17 0.02 73.97 Average: 5 19.25 0.00 1.21 0.26 0.01 79.27 Average: 6 24.86 0.00 1.16 0.25 0.02 73.71 Average: 7 30.08 0.00 2.13 0.59 0.03 67.17