---> uname -a: Linux prd-centos8-docker-4c-4g-9481.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): 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: 2799.996 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): 0-3 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: 15761 823 11730 19 3206 14589 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:f5:5e:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.247/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85993sec preferred_lft 85993sec inet6 fe80::f816:3eff:fef5:5ef8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:08:4e:a5 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::42:3aff:fe08:4ea5/64 scope link 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) 07/13/2026 _x86_64_ (4 CPU) 05:22:53 LINUX RESTART (4 CPU) 05:23:01 AM tps rtps wtps bread/s bwrtn/s 05:24:01 AM 333.81 121.98 211.83 13716.91 43034.52 05:25:01 AM 218.14 20.23 197.92 4128.49 16398.60 05:26:01 AM 99.57 1.72 97.85 102.73 11027.08 05:27:01 AM 4.03 0.00 4.03 0.00 314.75 05:28:02 AM 63.36 3.23 60.13 554.62 15227.94 05:29:01 AM 32.65 0.10 32.55 1.49 1161.32 Average: 125.52 24.61 100.91 3092.54 14564.79 05:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:24:01 AM 13337816 15133508 2801504 17.36 2688 2010044 1071712 6.24 147264 2296936 189356 05:25:01 AM 11878608 14126008 4260712 26.40 2688 2449972 1834740 10.67 220104 3625668 89352 05:26:01 AM 10090360 12564336 6048960 37.48 2688 2672936 3074108 17.89 264224 5350896 2976 05:27:01 AM 9659048 12138160 6480272 40.15 2688 2677912 3435724 19.99 265824 5779992 1932 05:28:02 AM 6452128 9403880 9687192 60.02 2688 3139476 13540780 78.78 370588 8795148 64 05:29:01 AM 10373132 13291428 5766188 35.73 2688 3106404 3597160 20.93 400772 4884824 3624 Average: 10298515 12776220 5840805 36.19 2688 2676124 4425704 25.75 278129 5122244 47884 05:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 375.96 214.16 1897.37 70.35 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 220.68 180.11 2504.79 31.20 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:26:01 AM eth0 245.47 180.01 3322.42 36.98 0.00 0.00 0.00 0.00 05:26:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:27:01 AM eth0 16.16 15.63 3.32 22.34 0.00 0.00 0.00 0.00 05:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:28:02 AM lo 4.32 4.32 0.55 0.55 0.00 0.00 0.00 0.00 05:28:02 AM eth0 152.70 96.92 2827.00 16.20 0.00 0.00 0.00 0.00 05:28:02 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 05:28:02 AM vethcb6eeaa 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 05:28:02 AM br-d0890c862a84 0.13 0.25 0.01 0.03 0.00 0.00 0.00 0.00 05:28:02 AM veth9cf1375 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 05:28:02 AM veth8925274 0.13 0.22 0.02 0.02 0.00 0.00 0.00 0.00 05:29:01 AM lo 12.62 12.62 27.06 27.06 0.00 0.00 0.00 0.00 05:29:01 AM eth0 4.10 3.95 1.30 2.08 0.00 0.00 0.00 0.00 05:29:01 AM docker0 0.19 0.20 0.01 0.01 0.00 0.00 0.00 0.00 05:29:01 AM vethcb6eeaa 0.19 0.24 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 169.65 115.45 1764.40 29.94 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethcb6eeaa 0.05 0.09 0.00 0.01 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) 07/13/2026 _x86_64_ (4 CPU) 05:22:53 LINUX RESTART (4 CPU) 05:23:01 AM CPU %user %nice %system %iowait %steal %idle 05:24:01 AM all 27.53 0.00 5.02 2.61 0.08 64.76 05:24:01 AM 0 24.51 0.00 4.60 2.34 0.08 68.47 05:24:01 AM 1 27.69 0.00 5.10 2.37 0.07 64.77 05:24:01 AM 2 37.01 0.00 5.72 4.85 0.08 52.35 05:24:01 AM 3 20.93 0.00 4.65 0.89 0.08 73.45 05:25:01 AM all 38.04 0.00 2.88 1.33 0.11 57.64 05:25:01 AM 0 35.32 0.00 2.89 1.51 0.10 60.18 05:25:01 AM 1 50.53 0.00 3.26 0.84 0.12 45.26 05:25:01 AM 2 30.60 0.00 2.88 1.52 0.12 64.88 05:25:01 AM 3 35.67 0.00 2.48 1.47 0.10 60.28 05:26:01 AM all 59.90 0.00 1.85 0.46 0.10 37.69 05:26:01 AM 0 60.00 0.00 1.52 0.52 0.10 37.87 05:26:01 AM 1 59.48 0.00 1.57 0.35 0.08 38.52 05:26:01 AM 2 57.80 0.00 2.10 0.73 0.10 39.26 05:26:01 AM 3 62.32 0.00 2.22 0.23 0.10 35.12 05:27:01 AM all 16.00 0.00 0.35 0.01 0.06 83.58 05:27:01 AM 0 11.55 0.00 0.35 0.00 0.07 88.03 05:27:01 AM 1 15.70 0.00 0.27 0.00 0.07 83.96 05:27:01 AM 2 24.14 0.00 0.50 0.02 0.05 75.29 05:27:01 AM 3 12.58 0.00 0.30 0.03 0.05 87.04 05:28:02 AM all 43.83 0.00 2.79 0.61 0.10 52.67 05:28:02 AM 0 56.91 0.00 2.81 0.39 0.10 39.79 05:28:02 AM 1 29.00 0.00 3.22 0.80 0.10 66.87 05:28:02 AM 2 43.28 0.00 2.42 1.11 0.10 53.10 05:28:02 AM 3 46.13 0.00 2.70 0.15 0.10 50.91 05:29:01 AM all 21.69 0.00 1.11 0.07 0.07 77.06 05:29:01 AM 0 19.34 0.00 1.22 0.12 0.07 79.25 05:29:01 AM 1 23.05 0.00 0.92 0.10 0.09 75.84 05:29:01 AM 2 21.65 0.00 1.16 0.03 0.07 77.09 05:29:01 AM 3 22.73 0.00 1.14 0.02 0.07 76.05 Average: all 34.54 0.00 2.33 0.85 0.09 62.19 Average: 0 34.64 0.00 2.23 0.81 0.09 62.22 Average: 1 34.29 0.00 2.39 0.74 0.09 62.48 Average: 2 35.78 0.00 2.46 1.38 0.09 60.29 Average: 3 33.43 0.00 2.25 0.47 0.08 63.77