---> uname -a: Linux prd-centos8-docker-4c-4g-1.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: 2799.998 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: 15761 764 12199 19 2797 14657 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:fa:a3:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85996sec preferred_lft 85996sec inet6 fe80::f816:3eff:fefa:a366/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:02:1d:d4:1b 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) 08/03/2026 _x86_64_ (4 CPU) 11:13:16 LINUX RESTART (4 CPU) 11:14:01 AM tps rtps wtps bread/s bwrtn/s 11:15:01 AM 138.50 14.96 123.54 3130.82 9557.66 11:16:01 AM 160.02 5.67 154.36 925.18 12270.39 11:17:01 AM 69.11 1.78 67.33 114.42 3411.14 11:18:01 AM 21.54 0.00 21.54 0.00 6478.53 11:19:01 AM 3.13 1.73 1.40 51.55 294.01 11:20:01 AM 26.13 1.52 24.61 169.97 1982.90 Average: 69.73 4.28 65.45 731.84 5664.87 11:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:15:01 AM 12853008 14947580 3286312 20.36 2688 2301588 1443640 8.40 157604 2737520 244428 11:16:01 AM 12119368 14391208 4019952 24.91 2688 2473688 1981280 11.53 219056 3381120 57020 11:17:01 AM 10636560 13110988 5502760 34.10 2688 2673120 3103944 18.06 260728 4807796 184188 11:18:01 AM 9272504 11753220 6866816 42.55 2688 2679208 4088136 23.78 262688 6166496 2496 11:19:01 AM 9113568 11602172 7025752 43.53 2688 2686824 4215800 24.53 265220 6320804 548 11:20:01 AM 12459732 14974672 3679588 22.80 2688 2711200 1210488 7.04 472264 2773488 8460 Average: 11075790 13463307 5063530 31.37 2688 2587605 2673881 15.56 272927 4364537 82857 11:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:01 AM eth0 113.58 79.17 1693.39 28.77 0.00 0.00 0.00 0.00 11:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM eth0 227.21 196.75 2174.29 33.08 0.00 0.00 0.00 0.00 11:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM eth0 292.06 209.41 2987.46 31.83 0.00 0.00 0.00 0.00 11:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM eth0 142.45 84.06 49.36 62.79 0.00 0.00 0.00 0.00 11:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM eth0 325.37 207.31 99.18 94.69 0.00 0.00 0.00 0.00 11:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM lo 6.48 6.48 0.79 0.79 0.00 0.00 0.00 0.00 11:20:01 AM eth0 26.90 21.45 18.23 22.61 0.00 0.00 0.00 0.00 11:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 187.96 133.04 1170.37 45.63 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) 08/03/2026 _x86_64_ (4 CPU) 11:13:16 LINUX RESTART (4 CPU) 11:14:01 AM CPU %user %nice %system %iowait %steal %idle 11:15:01 AM all 20.30 0.00 1.87 0.99 0.09 76.75 11:15:01 AM 0 11.92 0.00 1.50 0.94 0.10 85.54 11:15:01 AM 1 27.11 0.00 2.20 1.15 0.08 69.45 11:15:01 AM 2 19.46 0.00 1.66 0.90 0.08 77.89 11:15:01 AM 3 22.71 0.00 2.11 0.97 0.08 74.13 11:16:01 AM all 29.92 0.00 1.55 1.05 0.08 67.40 11:16:01 AM 0 30.16 0.00 1.84 1.05 0.08 66.87 11:16:01 AM 1 31.10 0.00 1.70 1.20 0.08 65.91 11:16:01 AM 2 28.71 0.00 1.34 0.90 0.08 68.96 11:16:01 AM 3 29.72 0.00 1.32 1.02 0.08 67.86 11:17:01 AM all 56.17 0.00 1.59 0.27 0.11 41.85 11:17:01 AM 0 57.75 0.00 1.52 0.23 0.12 40.37 11:17:01 AM 1 51.84 0.00 1.75 0.38 0.12 45.91 11:17:01 AM 2 58.73 0.00 1.32 0.22 0.12 39.61 11:17:01 AM 3 56.38 0.00 1.75 0.25 0.10 41.51 11:18:01 AM all 44.73 0.00 1.23 0.18 0.09 53.77 11:18:01 AM 0 45.55 0.00 1.35 0.03 0.10 52.96 11:18:01 AM 1 33.84 0.00 1.40 0.64 0.08 64.04 11:18:01 AM 2 45.92 0.00 1.20 0.07 0.08 52.73 11:18:01 AM 3 53.60 0.00 0.97 0.00 0.08 45.35 11:19:01 AM all 25.42 0.00 1.21 0.02 0.07 73.28 11:19:01 AM 0 38.95 0.00 1.80 0.05 0.07 59.13 11:19:01 AM 1 25.08 0.00 0.87 0.00 0.05 74.00 11:19:01 AM 2 21.95 0.00 0.88 0.00 0.07 77.10 11:19:01 AM 3 15.70 0.00 1.29 0.02 0.10 82.90 11:20:01 AM all 42.59 0.00 1.82 0.09 0.09 55.42 11:20:01 AM 0 63.41 0.00 2.47 0.12 0.08 33.92 11:20:01 AM 1 31.91 0.00 1.54 0.03 0.08 66.44 11:20:01 AM 2 46.19 0.00 1.99 0.10 0.08 51.64 11:20:01 AM 3 28.82 0.00 1.27 0.10 0.10 69.71 Average: all 36.52 0.00 1.54 0.43 0.09 61.41 Average: 0 41.29 0.00 1.75 0.40 0.09 56.47 Average: 1 33.48 0.00 1.58 0.57 0.08 64.29 Average: 2 36.83 0.00 1.40 0.36 0.09 61.32 Average: 3 34.50 0.00 1.45 0.39 0.09 63.57