---> uname -a: Linux prd-centos8-docker-8c-8g-3719.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1018 28270 19 2599 30417 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:3c:61:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe3c:61e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b9:91:5c:67 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) 05/26/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 131.08 1.72 129.36 317.15 10337.91 05:20:01 AM 172.58 2.37 170.21 640.32 10533.07 05:21:01 AM 103.63 1.63 102.00 393.93 7256.76 Average: 135.76 1.91 133.86 450.48 9375.98 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29374608 31249548 3278764 10.04 2688 2192020 1408620 4.18 149772 2667224 205792 05:20:01 AM 27413924 29441868 5239448 16.05 2688 2337864 3417268 10.14 211908 4529096 70684 05:21:01 AM 28934396 31121996 3718976 11.39 2688 2492676 1460008 4.33 244504 2962912 48808 Average: 28574309 30604471 4079063 12.49 2688 2340853 2095299 6.22 202061 3386411 108428 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 130.41 101.37 1690.82 33.57 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 200.25 190.54 1643.46 41.44 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 212.71 170.00 1565.97 43.10 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 181.13 153.97 1633.41 39.37 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) 05/26/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.15 0.00 0.95 0.36 0.05 90.50 05:19:01 AM 0 20.02 0.00 1.90 0.30 0.08 77.69 05:19:01 AM 1 22.23 0.00 2.14 0.90 0.05 74.68 05:19:01 AM 2 1.84 0.00 0.65 0.78 0.05 96.68 05:19:01 AM 3 2.11 0.00 0.53 0.22 0.03 97.11 05:19:01 AM 4 2.84 0.00 0.57 0.12 0.05 96.42 05:19:01 AM 5 6.96 0.00 0.78 0.20 0.03 92.02 05:19:01 AM 6 6.72 0.00 0.78 0.15 0.03 92.31 05:19:01 AM 7 2.50 0.00 0.20 0.18 0.05 97.06 05:20:01 AM all 33.98 0.00 1.58 0.50 0.08 63.86 05:20:01 AM 0 46.58 0.00 1.25 0.28 0.07 51.82 05:20:01 AM 1 43.26 0.00 1.74 0.45 0.08 54.47 05:20:01 AM 2 23.00 0.00 1.54 0.53 0.10 74.83 05:20:01 AM 3 28.41 0.00 1.74 0.90 0.08 68.86 05:20:01 AM 4 37.98 0.00 1.65 0.65 0.07 59.65 05:20:01 AM 5 22.49 0.00 1.57 0.55 0.08 75.30 05:20:01 AM 6 28.89 0.00 1.22 0.22 0.08 69.59 05:20:01 AM 7 41.21 0.00 1.92 0.38 0.08 56.39 05:21:01 AM all 36.51 0.00 1.65 0.25 0.08 61.51 05:21:01 AM 0 37.16 0.00 2.29 0.17 0.08 60.30 05:21:01 AM 1 44.31 0.00 1.48 0.15 0.10 53.95 05:21:01 AM 2 40.81 0.00 1.92 0.22 0.08 56.97 05:21:01 AM 3 31.17 0.00 1.40 0.08 0.10 67.25 05:21:01 AM 4 28.18 0.00 1.47 0.37 0.08 69.90 05:21:01 AM 5 35.03 0.00 1.47 0.25 0.07 63.19 05:21:01 AM 6 35.50 0.00 1.30 0.05 0.08 63.07 05:21:01 AM 7 39.92 0.00 1.85 0.70 0.07 57.46 Average: all 26.21 0.00 1.39 0.37 0.07 71.96 Average: 0 34.58 0.00 1.82 0.25 0.08 63.28 Average: 1 36.60 0.00 1.79 0.50 0.08 61.04 Average: 2 21.88 0.00 1.37 0.51 0.08 76.17 Average: 3 20.55 0.00 1.23 0.40 0.07 77.75 Average: 4 23.00 0.00 1.23 0.38 0.07 75.32 Average: 5 21.49 0.00 1.28 0.33 0.06 76.84 Average: 6 23.69 0.00 1.10 0.14 0.07 75.00 Average: 7 27.87 0.00 1.33 0.42 0.07 70.31