---> uname -a: Linux prd-centos8-docker-4c-4g-5224.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 795 11915 19 3051 14622 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:14:2b:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.148/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86003sec preferred_lft 86003sec inet6 fe80::f816:3eff:fe14:2b18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:f9:9c:04 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:b0ff:fef9:9c04/64 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) 02/04/2026 _x86_64_ (4 CPU) 09:11:40 LINUX RESTART (4 CPU) 09:12:01 AM tps rtps wtps bread/s bwrtn/s 09:13:01 AM 267.99 22.36 245.63 4520.09 8758.33 09:14:01 AM 229.17 7.50 221.68 1046.58 13291.52 09:15:01 AM 34.39 0.05 34.34 1.07 7887.49 09:16:01 AM 5.47 1.70 3.77 51.06 387.50 09:17:01 AM 84.51 1.72 82.79 617.26 18225.84 09:18:01 AM 25.96 0.45 25.51 63.85 790.62 Average: 107.92 5.63 102.29 1050.01 8223.77 09:12:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:13:01 AM 12917212 14866820 3224312 19.98 2688 2158916 1414192 8.23 158080 2688404 230008 09:14:01 AM 11102120 13414060 5039404 31.22 2688 2513764 2489208 14.48 246628 4369676 221720 09:15:01 AM 10204040 12521396 5937484 36.78 2688 2518612 3242664 18.86 261976 5247728 1932 09:16:01 AM 8834696 11161352 7306828 45.27 2688 2527596 4610928 26.82 265860 6609292 264 09:17:01 AM 8132368 10895536 8009156 49.62 2688 2953376 5173864 30.10 404004 7126424 116 09:18:01 AM 12257092 15027488 3884432 24.06 2688 2960104 1170364 6.81 586012 2837484 25396 Average: 10574588 12981109 5566936 34.49 2688 2605395 3016870 17.55 320427 4813168 79906 09:12:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:13:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:01 AM eth0 198.35 136.34 1586.12 46.76 0.00 0.00 0.00 0.00 09:13:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 AM eth0 370.31 285.02 4918.12 39.26 0.00 0.00 0.00 0.00 09:14:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 AM eth0 17.66 17.61 3.49 27.00 0.00 0.00 0.00 0.00 09:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 AM eth0 19.90 19.50 4.15 19.38 0.00 0.00 0.00 0.00 09:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 AM lo 15.23 15.23 27.01 27.01 0.00 0.00 0.00 0.00 09:17:01 AM eth0 241.80 115.06 2830.78 12.28 0.00 0.00 0.00 0.00 09:17:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 09:17:01 AM vethfa4b847 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 09:17:01 AM br-bc5cf707a8ef 5.78 5.66 25.62 0.94 0.00 0.00 0.00 0.00 09:18:01 AM lo 1.67 1.67 0.12 0.12 0.00 0.00 0.00 0.00 09:18:01 AM eth0 17.64 14.51 12.79 7.37 0.00 0.00 0.00 0.00 09:18:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.82 2.82 4.52 4.52 0.00 0.00 0.00 0.00 Average: eth0 144.28 98.01 1559.28 25.34 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 02/04/2026 _x86_64_ (4 CPU) 09:11:40 LINUX RESTART (4 CPU) 09:12:01 AM CPU %user %nice %system %iowait %steal %idle 09:13:01 AM all 25.47 0.00 2.68 1.51 0.08 70.26 09:13:01 AM 0 27.18 0.00 3.73 3.50 0.08 65.51 09:13:01 AM 1 41.21 0.00 3.76 1.05 0.08 53.90 09:13:01 AM 2 20.66 0.00 1.98 1.21 0.07 76.10 09:13:01 AM 3 12.76 0.00 1.26 0.27 0.08 85.63 09:14:01 AM all 52.38 0.00 3.12 1.29 0.09 43.11 09:14:01 AM 0 55.41 0.00 4.28 1.72 0.10 38.49 09:14:01 AM 1 50.85 0.00 2.40 0.72 0.10 45.93 09:14:01 AM 2 50.29 0.00 3.16 1.57 0.08 44.89 09:14:01 AM 3 52.98 0.00 2.64 1.15 0.08 43.15 09:15:01 AM all 36.87 0.00 0.61 0.20 0.07 62.26 09:15:01 AM 0 29.81 0.00 0.67 0.23 0.07 69.22 09:15:01 AM 1 40.96 0.00 0.92 0.30 0.07 57.75 09:15:01 AM 2 35.37 0.00 0.47 0.25 0.07 63.84 09:15:01 AM 3 41.32 0.00 0.38 0.02 0.07 58.22 09:16:01 AM all 28.74 0.00 0.59 0.03 0.08 70.57 09:16:01 AM 0 19.65 0.00 0.38 0.00 0.08 79.89 09:16:01 AM 1 52.74 0.00 1.02 0.08 0.07 46.10 09:16:01 AM 2 24.36 0.00 0.27 0.02 0.07 75.29 09:16:01 AM 3 18.21 0.00 0.68 0.02 0.08 81.01 09:17:01 AM all 34.86 0.00 3.40 0.59 0.09 61.05 09:17:01 AM 0 39.54 0.00 3.61 0.77 0.08 55.99 09:17:01 AM 1 29.03 0.00 3.49 0.86 0.10 66.52 09:17:01 AM 2 34.17 0.00 2.57 0.32 0.08 62.85 09:17:01 AM 3 36.70 0.00 3.93 0.42 0.08 58.86 09:18:01 AM all 23.84 0.00 1.38 0.08 0.08 74.62 09:18:01 AM 0 15.76 0.00 0.90 0.02 0.08 83.24 09:18:01 AM 1 21.61 0.00 1.50 0.10 0.07 76.72 09:18:01 AM 2 36.39 0.00 1.33 0.15 0.07 62.06 09:18:01 AM 3 21.61 0.00 1.79 0.07 0.08 76.45 Average: all 33.69 0.00 1.96 0.62 0.08 63.65 Average: 0 31.21 0.00 2.26 1.04 0.08 65.41 Average: 1 39.41 0.00 2.18 0.52 0.08 57.81 Average: 2 33.54 0.00 1.63 0.59 0.07 64.17 Average: 3 30.60 0.00 1.78 0.32 0.08 67.22