---> uname -a: Linux prd-centos8-docker-8c-8g-4279.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2799.974 BogoMIPS: 5599.94 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: 31890 1024 28349 19 2515 30416 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:97:5a:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.120/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe97:5a6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a6:d8:27:94 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/07/2026 _x86_64_ (8 CPU) 05:17:44 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 269.89 27.68 242.21 7195.48 30685.74 05:20:01 AM 204.40 3.02 201.38 734.96 13013.43 05:21:01 AM 106.80 1.63 105.17 393.93 7656.92 Average: 193.70 10.78 182.92 2774.68 17118.47 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29522760 31302252 3132944 9.59 2688 2099420 1408432 4.18 140016 2552396 276500 05:20:01 AM 27491296 29433176 5164408 15.81 2688 2254688 3122436 9.26 209676 4468920 84784 05:21:01 AM 29040712 31146356 3614992 11.07 2688 2413624 1459184 4.33 241952 2873740 48812 Average: 28684923 30627261 3970781 12.16 2688 2255911 1996684 5.92 197215 3298352 136699 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 445.54 277.39 2250.40 72.14 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 259.18 234.16 1818.95 63.08 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 172.52 146.88 1569.61 35.14 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 292.41 219.47 1879.65 56.79 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/07/2026 _x86_64_ (8 CPU) 05:17:44 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.07 0.00 1.88 1.19 0.05 82.82 05:19:01 AM 0 9.55 0.00 1.89 0.42 0.07 88.08 05:19:01 AM 1 18.87 0.00 1.92 0.38 0.07 78.76 05:19:01 AM 2 26.55 0.00 3.76 2.70 0.07 66.92 05:19:01 AM 3 14.85 0.00 2.24 0.32 0.07 82.52 05:19:01 AM 4 11.05 0.00 1.56 0.49 0.05 86.86 05:19:01 AM 5 12.46 0.00 1.35 0.38 0.03 85.76 05:19:01 AM 6 11.31 0.00 0.94 0.92 0.03 86.81 05:19:01 AM 7 7.95 0.00 1.37 3.91 0.03 86.74 05:20:01 AM all 29.87 0.00 1.48 0.51 0.08 68.06 05:20:01 AM 0 27.54 0.00 1.10 0.23 0.07 71.06 05:20:01 AM 1 35.52 0.00 1.20 0.65 0.08 62.54 05:20:01 AM 2 29.01 0.00 1.91 0.50 0.08 68.50 05:20:01 AM 3 30.80 0.00 1.52 0.13 0.08 67.46 05:20:01 AM 4 45.43 0.00 2.09 1.09 0.08 51.31 05:20:01 AM 5 17.81 0.00 1.69 1.06 0.08 79.36 05:20:01 AM 6 33.17 0.00 1.12 0.15 0.08 65.47 05:20:01 AM 7 19.65 0.00 1.22 0.27 0.07 78.80 05:21:01 AM all 38.85 0.00 1.63 0.25 0.09 59.17 05:21:01 AM 0 49.65 0.00 1.63 0.12 0.10 48.50 05:21:01 AM 1 36.81 0.00 1.39 0.32 0.08 61.40 05:21:01 AM 2 39.89 0.00 1.74 0.22 0.08 58.07 05:21:01 AM 3 34.03 0.00 1.89 0.23 0.08 63.77 05:21:01 AM 4 34.59 0.00 1.07 0.20 0.08 64.06 05:21:01 AM 5 28.85 0.00 2.16 0.67 0.08 68.24 05:21:01 AM 6 43.57 0.00 1.22 0.17 0.08 54.96 05:21:01 AM 7 43.39 0.00 1.98 0.12 0.08 54.43 Average: all 27.60 0.00 1.66 0.65 0.07 70.01 Average: 0 28.93 0.00 1.54 0.26 0.08 69.20 Average: 1 30.40 0.00 1.50 0.45 0.08 67.56 Average: 2 31.83 0.00 2.47 1.14 0.08 64.49 Average: 3 26.57 0.00 1.88 0.23 0.08 71.24 Average: 4 30.37 0.00 1.57 0.59 0.07 67.40 Average: 5 19.71 0.00 1.73 0.70 0.07 77.79 Average: 6 29.35 0.00 1.09 0.41 0.07 69.08 Average: 7 23.66 0.00 1.52 1.43 0.06 73.32