---> uname -a: Linux prd-centos8-docker-4c-4g-7612.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: 2800.000 BogoMIPS: 5600.00 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 819 11554 19 3389 14594 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:73:c5:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.67/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85900sec preferred_lft 85900sec inet6 fe80::f816:3eff:fe73:c52b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c0:3d:84:b2 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:c0ff:fe3d:84b2/64 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) 05/02/2026 _x86_64_ (4 CPU) 08:02:53 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 252.80 84.89 167.91 11035.40 42387.47 08:05:01 AM 200.32 20.09 180.23 4021.86 10615.63 08:06:01 AM 104.68 1.85 102.83 116.11 9105.28 08:07:01 AM 22.54 0.00 22.54 0.00 6276.91 08:08:01 AM 16.63 2.95 13.68 278.49 298.85 08:09:01 AM 81.06 0.60 80.46 474.78 18737.44 08:10:01 AM 20.56 1.22 19.34 1590.67 7544.45 08:11:01 AM 120.79 0.42 120.38 56.11 3379.56 Average: 102.43 14.00 88.42 2196.80 12293.48 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 13401656 15139116 2739876 16.97 2688 1953444 1111800 6.47 142844 2245212 154128 08:05:01 AM 12264036 14409104 3877496 24.02 2688 2350424 1695720 9.86 209028 3267484 195972 08:06:01 AM 10871664 13250708 5269868 32.65 2688 2580560 2693556 15.67 263408 4586920 178872 08:07:01 AM 10732188 13115256 5409344 33.51 2688 2584444 2726020 15.86 263452 4724708 440 08:08:01 AM 9517784 11927700 6623748 41.04 2688 2610380 3845012 22.37 285828 5908236 4948 08:09:01 AM 9010328 11839968 7131204 44.18 2688 3020276 4193312 24.39 406236 6255912 972 08:10:01 AM 10529924 13638496 5611608 34.77 2688 3296524 2346740 13.65 465800 4675988 26288 08:11:01 AM 11853432 14965448 4288100 26.57 2688 3297956 1160572 6.75 680628 3137960 24176 Average: 11022626 13535724 5118906 31.71 2688 2711751 2471592 14.38 339653 4350302 73224 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 318.76 185.27 1769.72 64.03 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 234.80 188.47 2388.88 36.17 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 238.18 181.39 3414.03 33.41 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 216.36 131.64 76.38 76.35 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 4.45 4.45 0.56 0.56 0.00 0.00 0.00 0.00 08:08:01 AM eth0 101.40 70.25 31.23 42.28 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 13.10 13.10 27.03 27.03 0.00 0.00 0.00 0.00 08:09:01 AM eth0 189.57 106.13 2825.67 8.69 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM veth4db1ec9 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM br-e1c15e4393c1 5.46 5.45 25.62 0.92 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:10:01 AM eth0 234.82 147.10 3130.68 13.88 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 89.14 56.08 23.17 250.56 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.22 2.22 3.45 3.45 0.00 0.00 0.00 0.00 Average: eth0 202.88 133.29 1707.48 65.67 0.00 0.00 0.00 0.00 Average: docker0 0.02 0.04 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) 05/02/2026 _x86_64_ (4 CPU) 08:02:53 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 24.27 0.00 4.30 3.88 0.08 67.47 08:04:01 AM 0 26.09 0.00 3.11 4.19 0.08 66.53 08:04:01 AM 1 26.15 0.00 5.94 4.27 0.08 63.57 08:04:01 AM 2 26.60 0.00 4.02 2.51 0.08 66.79 08:04:01 AM 3 18.22 0.00 4.12 4.58 0.08 72.99 08:05:01 AM all 28.79 0.00 1.95 7.26 0.08 61.92 08:05:01 AM 0 22.07 0.00 2.11 1.51 0.08 74.23 08:05:01 AM 1 26.40 0.00 1.66 24.63 0.07 47.25 08:05:01 AM 2 42.89 0.00 1.84 0.92 0.08 54.27 08:05:01 AM 3 23.77 0.00 2.21 1.98 0.08 71.95 08:06:01 AM all 60.30 0.00 1.73 0.88 0.10 37.00 08:06:01 AM 0 60.15 0.00 1.64 0.48 0.10 37.63 08:06:01 AM 1 58.25 0.00 1.92 1.52 0.10 38.21 08:06:01 AM 2 61.85 0.00 1.92 1.07 0.08 35.08 08:06:01 AM 3 60.95 0.00 1.44 0.43 0.10 37.08 08:07:01 AM all 17.16 0.00 1.18 0.32 0.06 81.28 08:07:01 AM 0 21.83 0.00 0.98 0.40 0.07 76.71 08:07:01 AM 1 15.25 0.00 1.24 0.00 0.05 83.46 08:07:01 AM 2 18.32 0.00 1.22 0.05 0.07 80.34 08:07:01 AM 3 13.24 0.00 1.27 0.84 0.07 84.59 08:08:01 AM all 41.72 0.00 1.45 0.05 0.08 56.70 08:08:01 AM 0 27.77 0.00 1.42 0.03 0.10 70.67 08:08:01 AM 1 30.26 0.00 1.14 0.02 0.08 68.50 08:08:01 AM 2 73.09 0.00 1.97 0.08 0.08 24.77 08:08:01 AM 3 35.74 0.00 1.29 0.05 0.07 62.85 08:09:01 AM all 16.56 0.00 3.15 1.12 0.08 79.09 08:09:01 AM 0 14.32 0.00 2.55 1.68 0.10 81.34 08:09:01 AM 1 18.74 0.00 4.48 0.77 0.07 75.94 08:09:01 AM 2 17.86 0.00 2.47 0.67 0.08 78.92 08:09:01 AM 3 15.32 0.00 3.10 1.36 0.07 80.15 08:10:01 AM all 65.20 0.00 1.49 0.23 0.11 32.97 08:10:01 AM 0 42.92 0.00 1.90 0.57 0.12 54.50 08:10:01 AM 1 71.53 0.00 0.89 0.08 0.12 27.39 08:10:01 AM 2 71.88 0.00 2.02 0.20 0.12 25.78 08:10:01 AM 3 74.49 0.00 1.17 0.05 0.10 24.19 08:11:01 AM all 43.02 0.00 1.91 0.43 0.08 54.56 08:11:01 AM 0 33.63 0.00 2.94 0.22 0.08 63.13 08:11:01 AM 1 44.46 0.00 1.47 0.13 0.08 53.85 08:11:01 AM 2 49.97 0.00 1.69 0.22 0.07 48.06 08:11:01 AM 3 44.06 0.00 1.54 1.17 0.07 53.17 Average: all 37.15 0.00 2.14 1.77 0.08 58.86 Average: 0 31.11 0.00 2.08 1.13 0.09 65.58 Average: 1 36.39 0.00 2.34 3.93 0.08 57.26 Average: 2 45.32 0.00 2.14 0.71 0.08 51.74 Average: 3 35.76 0.00 2.01 1.31 0.08 60.84