---> uname -a: Linux prd-centos8-docker-8c-8g-3725.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 1002 28128 19 2757 30437 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:c0:41:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86228sec preferred_lft 86228sec inet6 fe80::f816:3eff:fec0:4167/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:e7:b3:d5 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) 05:46:53 LINUX RESTART (8 CPU) 05:47:01 AM tps rtps wtps bread/s bwrtn/s 05:48:01 AM 335.54 63.20 272.34 9412.76 45195.90 05:49:01 AM 282.14 19.41 262.72 4305.55 17478.00 Average: 308.84 41.31 267.53 6859.37 31338.11 05:47:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:48:01 AM 29507560 31224408 3145812 9.63 2688 2039772 1466176 4.35 151352 2561348 182164 05:49:01 AM 27263016 29610396 5390356 16.51 2688 2655944 2782172 8.26 253624 4633304 236612 Average: 28385288 30417402 4268084 13.07 2688 2347858 2124174 6.30 202488 3597326 209388 05:47:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:48:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 AM eth0 512.66 313.13 2228.20 75.58 0.00 0.00 0.00 0.00 05:48:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 AM eth0 453.92 344.98 5686.95 58.17 0.00 0.00 0.00 0.00 05:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 483.30 329.05 3957.43 66.88 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) 05:46:53 LINUX RESTART (8 CPU) 05:47:01 AM CPU %user %nice %system %iowait %steal %idle 05:48:01 AM all 14.57 0.00 2.58 1.49 0.06 81.30 05:48:01 AM 0 9.08 0.00 1.91 0.07 0.07 88.87 05:48:01 AM 1 14.63 0.00 2.30 3.57 0.03 79.48 05:48:01 AM 2 26.06 0.00 3.58 0.95 0.07 69.33 05:48:01 AM 3 14.87 0.00 3.41 2.84 0.03 78.85 05:48:01 AM 4 20.02 0.00 2.04 0.43 0.05 77.45 05:48:01 AM 5 14.68 0.00 2.37 0.80 0.05 82.09 05:48:01 AM 6 10.15 0.00 2.74 0.40 0.07 86.64 05:48:01 AM 7 7.02 0.00 2.29 2.90 0.08 87.71 05:49:01 AM all 29.59 0.00 1.50 0.84 0.08 67.98 05:49:01 AM 0 33.51 0.00 1.35 0.23 0.08 64.82 05:49:01 AM 1 41.05 0.00 2.25 0.72 0.08 55.90 05:49:01 AM 2 14.55 0.00 1.25 0.79 0.10 83.31 05:49:01 AM 3 21.83 0.00 1.17 0.58 0.08 76.33 05:49:01 AM 4 32.15 0.00 1.00 0.32 0.07 66.47 05:49:01 AM 5 41.16 0.00 2.39 2.12 0.12 54.21 05:49:01 AM 6 26.64 0.00 1.50 1.02 0.07 70.77 05:49:01 AM 7 25.84 0.00 1.10 0.97 0.07 72.03 Average: all 22.09 0.00 2.04 1.17 0.07 74.63 Average: 0 21.31 0.00 1.63 0.15 0.08 76.83 Average: 1 27.86 0.00 2.27 2.14 0.06 67.67 Average: 2 20.30 0.00 2.42 0.87 0.08 76.33 Average: 3 18.36 0.00 2.29 1.71 0.06 77.59 Average: 4 26.09 0.00 1.52 0.38 0.06 71.96 Average: 5 27.92 0.00 2.38 1.46 0.08 68.15 Average: 6 18.40 0.00 2.12 0.71 0.07 78.70 Average: 7 16.44 0.00 1.70 1.93 0.08 79.86