---> uname -a: Linux prd-centos8-docker-8c-8g-1031.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 nrip_save 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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1052 27067 19 3768 30373 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:af:08:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:feaf:88c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:45:c9:4c:56 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 inet6 fe80::42:45ff:fec9:4c56/64 scope link 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) 07/19/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 224.23 14.58 209.65 3222.39 11866.06 05:14:01 PM 493.57 6.37 487.20 1207.00 21076.39 05:15:01 PM 178.52 1.85 176.67 431.72 39837.77 Average: 298.76 7.60 291.16 1620.39 24260.25 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29055620 31122632 3597752 11.02 2688 2380284 1614248 4.79 194052 2925872 267700 05:14:01 PM 27547248 30153540 5106124 15.64 2688 2908676 2215120 6.57 406020 4174216 261052 05:15:01 PM 27750880 31134888 4902492 15.01 2688 3677856 1489076 4.42 817756 3532604 166292 Average: 28117916 30803687 4535456 13.89 2688 2988939 1772815 5.26 472609 3544231 231681 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 246.33 198.42 2894.36 49.72 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 599.60 502.32 7791.83 66.10 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 398.37 385.69 4053.65 2383.64 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.53 13.18 0.50 260.24 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 414.76 362.13 4913.12 833.19 0.00 0.00 0.00 0.00 Average: docker0 2.18 4.39 0.17 86.75 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) 07/19/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.23 0.00 1.27 0.59 0.06 83.85 05:13:01 PM 0 13.61 0.00 0.99 0.30 0.07 85.04 05:13:01 PM 1 17.47 0.00 1.55 1.10 0.08 79.79 05:13:01 PM 2 19.93 0.00 1.05 0.64 0.07 78.31 05:13:01 PM 3 32.94 0.00 3.12 0.97 0.07 62.90 05:13:01 PM 4 8.89 0.00 1.05 0.69 0.03 89.34 05:13:01 PM 5 7.87 0.00 0.62 0.23 0.05 91.23 05:13:01 PM 6 6.04 0.00 0.79 0.40 0.07 92.71 05:13:01 PM 7 7.07 0.00 0.97 0.35 0.07 91.55 05:14:01 PM all 28.33 0.00 1.79 1.25 0.09 68.54 05:14:01 PM 0 22.60 0.00 2.55 2.52 0.08 72.25 05:14:01 PM 1 21.81 0.00 2.05 1.95 0.08 74.11 05:14:01 PM 2 36.04 0.00 1.67 1.15 0.08 61.05 05:14:01 PM 3 29.57 0.00 1.54 0.54 0.08 68.27 05:14:01 PM 4 28.02 0.00 0.95 0.23 0.08 70.71 05:14:01 PM 5 32.44 0.00 2.82 2.48 0.10 62.15 05:14:01 PM 6 26.08 0.00 1.79 1.02 0.08 71.02 05:14:01 PM 7 30.05 0.00 0.99 0.08 0.08 68.80 05:15:01 PM all 16.33 0.00 2.26 0.61 0.07 80.73 05:15:01 PM 0 21.72 0.00 1.81 0.10 0.07 76.31 05:15:01 PM 1 22.62 0.00 2.68 0.96 0.07 73.68 05:15:01 PM 2 18.98 0.00 2.78 1.14 0.08 77.01 05:15:01 PM 3 14.81 0.00 1.96 0.67 0.07 82.49 05:15:01 PM 4 9.97 0.00 2.18 0.49 0.07 87.30 05:15:01 PM 5 22.81 0.00 2.70 0.60 0.08 73.81 05:15:01 PM 6 12.04 0.00 2.28 0.39 0.07 85.23 05:15:01 PM 7 7.68 0.00 1.66 0.57 0.08 90.01 Average: all 19.63 0.00 1.77 0.81 0.07 77.71 Average: 0 19.30 0.00 1.78 0.97 0.07 77.88 Average: 1 20.63 0.00 2.09 1.33 0.08 75.86 Average: 2 24.99 0.00 1.84 0.98 0.08 72.12 Average: 3 25.79 0.00 2.21 0.73 0.07 71.21 Average: 4 15.62 0.00 1.40 0.47 0.06 82.45 Average: 5 21.03 0.00 2.04 1.11 0.08 75.75 Average: 6 14.71 0.00 1.62 0.60 0.07 82.99 Average: 7 14.94 0.00 1.21 0.33 0.08 83.44