---> uname -a: Linux prd-centos8-docker-8c-8g-8873.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: 2799.996 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: 31890 1012 28354 19 2523 30429 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:dc:9f:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.51/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fedc:9fa5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:86:89:f9:95 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) 05/08/2026 _x86_64_ (8 CPU) 05:17:42 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 273.15 21.57 251.57 5700.23 10081.33 05:20:01 AM 206.13 3.62 202.52 911.56 13090.57 05:21:01 AM 98.67 1.60 97.07 388.61 7169.22 Average: 192.65 8.93 183.72 2333.55 10113.54 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29580660 31302148 3075052 9.42 2688 2041352 1393220 4.13 137068 2496980 218768 05:20:01 AM 27577520 29520252 5078192 15.55 2688 2255640 3085332 9.15 207096 4387368 79060 05:21:01 AM 27165560 29279860 5490152 16.81 2688 2421860 3092800 9.18 241472 4742348 45408 Average: 28107913 30034087 4547799 13.93 2688 2239617 2523784 7.49 195212 3875565 114412 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 445.14 279.19 1904.19 71.63 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 268.89 235.50 2209.25 60.33 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 158.54 135.12 1562.64 31.35 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 290.86 216.60 1892.01 54.44 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) 05/08/2026 _x86_64_ (8 CPU) 05:17:42 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.43 0.00 2.00 0.64 0.06 82.86 05:19:01 AM 0 8.35 0.00 3.07 2.78 0.07 85.73 05:19:01 AM 1 10.67 0.00 0.89 0.20 0.05 88.19 05:19:01 AM 2 13.74 0.00 1.66 0.23 0.07 84.30 05:19:01 AM 3 20.22 0.00 2.59 0.33 0.08 76.77 05:19:01 AM 4 19.75 0.00 2.05 0.28 0.07 77.86 05:19:01 AM 5 10.40 0.00 1.32 0.65 0.05 87.58 05:19:01 AM 6 16.51 0.00 2.63 0.32 0.05 80.49 05:19:01 AM 7 15.95 0.00 1.79 0.35 0.07 81.85 05:20:01 AM all 31.04 0.00 1.71 0.60 0.09 66.57 05:20:01 AM 0 36.38 0.00 1.35 0.40 0.08 61.78 05:20:01 AM 1 47.10 0.00 1.49 0.85 0.10 50.46 05:20:01 AM 2 40.73 0.00 1.88 0.65 0.10 56.64 05:20:01 AM 3 31.03 0.00 1.84 0.65 0.08 66.40 05:20:01 AM 4 31.87 0.00 1.49 0.22 0.08 66.34 05:20:01 AM 5 24.06 0.00 1.81 0.23 0.08 73.82 05:20:01 AM 6 21.05 0.00 2.29 0.87 0.07 75.73 05:20:01 AM 7 16.13 0.00 1.51 0.89 0.08 81.40 05:21:01 AM all 43.03 0.00 1.73 0.25 0.09 54.89 05:21:01 AM 0 35.50 0.00 1.40 0.35 0.08 62.66 05:21:01 AM 1 38.84 0.00 1.45 0.40 0.10 59.21 05:21:01 AM 2 33.69 0.00 1.27 0.25 0.10 64.69 05:21:01 AM 3 48.79 0.00 2.19 0.17 0.10 48.76 05:21:01 AM 4 41.93 0.00 2.11 0.08 0.10 55.78 05:21:01 AM 5 45.97 0.00 1.35 0.10 0.08 52.49 05:21:01 AM 6 49.68 0.00 2.17 0.27 0.10 47.78 05:21:01 AM 7 49.81 0.00 1.92 0.42 0.08 47.77 Average: all 29.52 0.00 1.81 0.50 0.08 68.09 Average: 0 26.77 0.00 1.94 1.18 0.08 70.04 Average: 1 32.21 0.00 1.28 0.48 0.08 65.95 Average: 2 29.38 0.00 1.60 0.38 0.09 68.55 Average: 3 33.35 0.00 2.21 0.38 0.09 63.97 Average: 4 31.29 0.00 1.88 0.19 0.08 66.56 Average: 5 26.80 0.00 1.49 0.33 0.07 71.30 Average: 6 29.09 0.00 2.36 0.49 0.07 67.99 Average: 7 27.30 0.00 1.74 0.55 0.08 70.34