---> uname -a: Linux prd-centos8-docker-8c-8g-12317.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 1034 28254 19 2599 30402 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:bf:7e:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.188/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:febf:7ebf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c8:21:27:2c 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) 08/14/2026 _x86_64_ (8 CPU) 05:17:52 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:02 AM 342.47 89.37 253.10 11525.26 43704.90 05:20:01 AM 226.95 3.96 222.99 943.11 16310.84 05:21:01 AM 101.18 1.52 99.67 387.87 6122.86 Average: 223.52 31.77 191.75 4303.89 22077.91 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:02 AM 29554912 31219984 3098460 9.49 2688 1989916 1471000 4.36 136968 2535220 170272 05:20:01 AM 27456292 29473164 5197080 15.92 2688 2327616 3497052 10.38 201292 4500976 82736 05:21:01 AM 27157092 29346124 5496280 16.83 2688 2494236 3523080 10.45 238792 4740984 82276 Average: 28056099 30013091 4597273 14.08 2688 2270589 2830377 8.40 192351 3925727 111761 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:02 AM eth0 350.40 229.27 1777.81 63.04 0.00 0.00 0.00 0.00 05:19:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 308.01 264.70 2469.69 69.24 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 156.45 133.27 1561.49 28.83 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 271.42 208.77 1933.38 53.62 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) 08/14/2026 _x86_64_ (8 CPU) 05:17:52 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:02 AM all 13.89 0.00 2.50 1.25 0.06 82.30 05:19:02 AM 0 14.37 0.00 1.99 0.30 0.07 83.27 05:19:02 AM 1 25.42 0.00 5.36 2.76 0.05 66.41 05:19:02 AM 2 9.92 0.00 2.53 0.25 0.07 87.23 05:19:02 AM 3 18.67 0.00 3.34 2.71 0.05 75.23 05:19:02 AM 4 10.40 0.00 1.39 0.68 0.05 87.47 05:19:02 AM 5 12.05 0.00 2.19 1.67 0.03 84.05 05:19:02 AM 6 7.90 0.00 1.59 1.54 0.10 88.86 05:19:02 AM 7 12.37 0.00 1.65 0.12 0.05 85.81 05:20:01 AM all 29.01 0.00 1.72 0.67 0.08 68.51 05:20:01 AM 0 30.57 0.00 1.38 0.36 0.08 67.62 05:20:01 AM 1 46.43 0.00 2.40 0.58 0.10 50.49 05:20:01 AM 2 35.48 0.00 1.86 0.41 0.07 62.19 05:20:01 AM 3 27.79 0.00 1.75 0.93 0.08 69.44 05:20:01 AM 4 25.03 0.00 1.92 1.14 0.08 71.82 05:20:01 AM 5 17.60 0.00 1.49 0.41 0.07 80.43 05:20:01 AM 6 28.32 0.00 2.03 1.42 0.10 68.13 05:20:01 AM 7 20.90 0.00 0.95 0.14 0.07 77.94 05:21:01 AM all 42.58 0.00 1.61 0.27 0.09 55.45 05:21:01 AM 0 45.83 0.00 1.27 0.15 0.08 52.66 05:21:01 AM 1 32.67 0.00 1.67 0.38 0.08 65.19 05:21:01 AM 2 45.42 0.00 1.99 0.57 0.12 51.91 05:21:01 AM 3 35.52 0.00 1.30 0.07 0.08 63.02 05:21:01 AM 4 49.36 0.00 1.44 0.23 0.08 48.88 05:21:01 AM 5 45.81 0.00 1.82 0.28 0.08 52.00 05:21:01 AM 6 40.71 0.00 1.96 0.32 0.08 56.93 05:21:01 AM 7 45.33 0.00 1.47 0.13 0.08 52.99 Average: all 28.50 0.00 1.95 0.73 0.08 68.75 Average: 0 30.26 0.00 1.55 0.27 0.08 67.85 Average: 1 34.79 0.00 3.14 1.24 0.08 60.75 Average: 2 30.26 0.00 2.13 0.41 0.08 67.12 Average: 3 27.33 0.00 2.13 1.24 0.07 69.23 Average: 4 28.28 0.00 1.58 0.68 0.07 69.39 Average: 5 25.19 0.00 1.84 0.79 0.06 72.12 Average: 6 25.65 0.00 1.86 1.09 0.10 71.31 Average: 7 26.23 0.00 1.36 0.13 0.07 72.21