---> uname -a: Linux prd-centos8-docker-4c-4g-39205.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1013 10973 19 3775 14400 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:fc:ad:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.171/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86103sec preferred_lft 86103sec inet6 fe80::f816:3eff:fefc:ad47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f9:8d:cf:54 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 inet6 fe80::42:f9ff:fe8d:cf54/64 scope link 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) 08/20/2025 _x86_64_ (4 CPU) 10:09:49 LINUX RESTART (4 CPU) 10:10:00 AM tps rtps wtps bread/s bwrtn/s 10:10:01 AM 223.26 155.81 67.44 42213.95 136533.33 10:11:02 AM 270.83 26.87 243.95 6507.03 40226.94 10:12:01 AM 286.60 5.66 280.94 1002.37 22533.34 10:13:01 AM 522.43 1.97 520.46 84.91 32011.91 10:14:01 AM 705.00 112.68 592.32 1993.94 16081.23 Average: 445.69 37.57 408.12 2616.52 28318.40 10:10:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 AM 14163220 15475588 1978304 12.26 2688 1544148 701248 4.34 72796 1613872 808916 10:11:02 AM 13359036 15113700 2782488 17.24 2688 1969740 1125644 6.55 140284 2287696 169460 10:12:01 AM 11364444 13796700 4777080 29.59 2688 2626608 2715424 15.80 254732 4066440 194472 10:13:01 AM 10553508 13896456 5588016 34.62 2688 3383444 1799108 10.47 436124 4383132 295088 10:14:01 AM 10194332 13669512 5947192 36.84 2688 3468084 2024604 11.78 504132 4540988 16952 Average: 11926908 14390391 4214616 26.11 2688 2598405 1673206 9.73 281614 3378426 296978 10:10:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 AM eth0 3.88 3.10 0.87 0.22 0.00 0.00 0.00 0.00 10:11:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:02 AM eth0 401.87 247.05 1750.69 72.16 0.00 0.00 0.00 0.00 10:11:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:12:01 AM eth0 563.98 373.03 5752.15 51.07 0.00 0.00 0.00 0.00 10:12:01 AM docker0 0.08 0.19 0.00 0.02 0.00 0.00 0.00 0.00 10:12:01 AM vethd1685fc 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 10:13:01 AM lo 6.16 6.16 4.54 4.54 0.00 0.00 0.00 0.00 10:13:01 AM eth0 277.71 195.78 1808.53 1204.89 0.00 0.00 0.00 0.00 10:13:01 AM docker0 3.33 3.08 4.09 0.44 0.00 0.00 0.00 0.00 10:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 AM eth0 6.70 5.43 58.91 0.95 0.00 0.00 0.00 0.00 10:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.58 1.58 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 309.85 203.53 2315.72 331.64 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.82 1.02 0.11 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) 08/20/2025 _x86_64_ (4 CPU) 10:09:49 LINUX RESTART (4 CPU) 10:10:00 AM CPU %user %nice %system %iowait %steal %idle 10:10:01 AM all 9.57 0.00 24.41 22.07 0.20 43.75 10:10:01 AM 0 18.75 0.00 15.62 36.72 0.00 28.91 10:10:01 AM 1 8.73 0.00 8.73 34.13 0.00 48.41 10:10:01 AM 2 3.08 0.00 53.08 7.69 0.77 35.38 10:10:01 AM 3 7.81 0.00 19.53 10.16 0.00 62.50 10:11:02 AM all 25.65 0.00 3.12 4.29 0.25 66.70 10:11:02 AM 0 32.00 0.00 4.11 6.34 0.08 57.47 10:11:02 AM 1 27.40 0.00 3.06 7.88 0.08 61.57 10:11:02 AM 2 20.16 0.00 2.53 1.96 0.74 74.61 10:11:02 AM 3 23.06 0.00 2.76 0.99 0.08 73.11 10:12:01 AM all 35.66 0.00 3.29 3.11 0.09 57.85 10:12:01 AM 0 28.77 0.00 3.69 3.30 0.10 64.14 10:12:01 AM 1 32.67 0.00 3.82 3.89 0.09 59.53 10:12:01 AM 2 42.93 0.00 3.05 2.27 0.09 51.66 10:12:01 AM 3 38.28 0.00 2.59 3.00 0.07 56.06 10:13:01 AM all 36.84 0.08 8.23 4.54 0.11 50.20 10:13:01 AM 0 47.62 0.03 7.53 2.77 0.12 41.93 10:13:01 AM 1 36.26 0.15 8.42 5.05 0.10 50.02 10:13:01 AM 2 35.27 0.15 7.75 6.84 0.12 49.86 10:13:01 AM 3 28.15 0.00 9.22 3.49 0.10 59.04 10:14:01 AM all 37.04 0.00 3.30 6.12 0.10 53.43 10:14:01 AM 0 42.48 0.00 3.33 6.19 0.10 47.90 10:14:01 AM 1 48.16 0.00 3.42 6.57 0.10 41.75 10:14:01 AM 2 35.61 0.00 3.10 5.23 0.10 55.96 10:14:01 AM 3 21.89 0.00 3.36 6.49 0.12 68.14 Average: all 33.65 0.02 4.59 4.62 0.14 56.99 Average: 0 37.63 0.01 4.72 4.83 0.10 52.71 Average: 1 36.00 0.04 4.69 6.01 0.09 53.17 Average: 2 33.28 0.04 4.37 4.10 0.26 57.95 Average: 3 27.69 0.00 4.55 3.53 0.09 64.13