---> uname -a: Linux prd-centos8-docker-8c-8g-13171.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 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1014 28264 19 2609 30422 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:79:3c:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fe79:3c08/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e0:9c:a5:47 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) 07/28/2026 _x86_64_ (8 CPU) 05:18:02 LINUX RESTART (8 CPU) 05:19:02 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 210.47 3.83 206.64 917.27 16240.84 05:21:01 AM 107.41 1.63 105.78 413.46 5329.76 05:22:01 AM 78.87 1.30 77.57 112.90 6666.36 Average: 131.81 2.25 129.57 478.75 9373.80 05:19:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 27771040 29776812 4882332 14.95 2688 2317308 2913184 8.64 179932 4212496 91700 05:21:01 AM 27306020 29477028 5347352 16.38 2688 2477328 2882784 8.55 235008 4599540 108304 05:22:01 AM 29004888 31214068 3648484 11.17 2688 2513152 1430516 4.24 432548 2705176 8492 Average: 28027316 30155969 4626056 14.17 2688 2435929 2408828 7.15 282496 3839071 69499 05:19:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 259.01 233.71 2394.21 64.44 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 142.04 120.41 1467.60 25.08 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 159.83 157.93 337.64 171.41 0.00 0.00 0.00 0.00 05:22:01 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 186.55 170.33 1394.21 87.10 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) 07/28/2026 _x86_64_ (8 CPU) 05:18:02 LINUX RESTART (8 CPU) 05:19:02 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 21.68 0.00 1.39 0.59 0.08 76.26 05:20:01 AM 0 29.54 0.00 1.22 0.42 0.08 68.73 05:20:01 AM 1 11.47 0.00 0.99 0.44 0.07 87.04 05:20:01 AM 2 15.91 0.00 1.31 0.99 0.10 81.69 05:20:01 AM 3 27.20 0.00 2.28 0.97 0.10 69.45 05:20:01 AM 4 34.95 0.00 2.43 0.63 0.08 61.91 05:20:01 AM 5 7.38 0.00 1.02 0.14 0.07 91.40 05:20:01 AM 6 26.78 0.00 0.65 0.37 0.08 72.11 05:20:01 AM 7 20.19 0.00 1.24 0.77 0.07 77.73 05:21:01 AM all 44.71 0.00 1.60 0.26 0.09 53.34 05:21:01 AM 0 41.86 0.00 1.12 0.35 0.08 56.59 05:21:01 AM 1 49.18 0.00 2.37 0.60 0.08 47.76 05:21:01 AM 2 57.08 0.00 2.44 0.17 0.10 40.21 05:21:01 AM 3 38.11 0.00 1.17 0.17 0.08 60.47 05:21:01 AM 4 43.74 0.00 1.79 0.53 0.10 53.84 05:21:01 AM 5 35.28 0.00 0.92 0.00 0.10 63.70 05:21:01 AM 6 52.71 0.00 1.57 0.12 0.10 45.50 05:21:01 AM 7 39.71 0.00 1.39 0.15 0.10 58.65 05:22:01 AM all 17.42 0.00 1.40 0.15 0.07 80.95 05:22:01 AM 0 9.85 0.00 1.14 0.18 0.08 88.75 05:22:01 AM 1 13.61 0.00 1.12 0.07 0.10 85.11 05:22:01 AM 2 11.98 0.00 1.57 0.25 0.07 86.13 05:22:01 AM 3 23.07 0.00 1.45 0.35 0.08 75.04 05:22:01 AM 4 19.59 0.00 1.17 0.03 0.07 79.14 05:22:01 AM 5 13.10 0.00 1.09 0.03 0.05 85.73 05:22:01 AM 6 35.05 0.00 2.44 0.15 0.07 62.29 05:22:01 AM 7 13.12 0.00 1.25 0.15 0.05 85.43 Average: all 27.97 0.00 1.46 0.33 0.08 70.15 Average: 0 27.07 0.00 1.16 0.32 0.08 71.37 Average: 1 24.82 0.00 1.50 0.37 0.08 73.23 Average: 2 28.40 0.00 1.78 0.47 0.09 69.26 Average: 3 29.47 0.00 1.63 0.49 0.09 68.32 Average: 4 32.75 0.00 1.79 0.40 0.08 64.98 Average: 5 18.65 0.00 1.01 0.06 0.07 80.21 Average: 6 38.25 0.00 1.56 0.21 0.08 59.90 Average: 7 24.37 0.00 1.29 0.35 0.07 73.91