---> uname -a: Linux prd-centos8-docker-4c-4g-13359.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: 2799.974 BogoMIPS: 5599.94 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 813 12153 19 2794 14608 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:f7:bf:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.90/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86039sec preferred_lft 86039sec inet6 fe80::f816:3eff:fef7:bf4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:de:9c:e9:38 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) 07/28/2026 _x86_64_ (4 CPU) 14:11:41 LINUX RESTART (4 CPU) 02:12:01 PM tps rtps wtps bread/s bwrtn/s 02:13:01 PM 180.76 9.18 171.58 1795.27 8590.87 02:14:01 PM 210.18 21.22 188.96 4061.69 17005.53 02:15:01 PM 78.14 0.05 78.09 1.07 8520.50 02:16:01 PM 6.26 0.00 6.26 0.00 336.05 02:17:01 PM 6.29 2.76 3.53 136.82 239.23 Average: 96.33 6.64 89.68 1199.09 6938.39 02:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:13:01 PM 13156100 15129548 2983220 18.48 2688 2181072 1068320 6.22 153300 2448616 316240 02:14:01 PM 12016712 14295096 4122608 25.54 2688 2480252 1623748 9.45 232812 3469608 40452 02:15:01 PM 10080444 12556428 6058876 37.54 2688 2674704 3246904 18.89 261632 5363336 2824 02:16:01 PM 9902140 12382968 6237180 38.65 2688 2679392 3321000 19.32 263244 5539156 1956 02:17:01 PM 10888688 13393416 5250632 32.53 2688 2702188 2560164 14.90 278524 4537440 15064 Average: 11208817 13551491 4930503 30.55 2688 2543522 2364027 13.75 237902 4271631 75307 02:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:13:01 PM eth0 180.47 122.58 1920.25 42.76 0.00 0.00 0.00 0.00 02:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:14:01 PM eth0 217.34 184.84 2347.40 32.36 0.00 0.00 0.00 0.00 02:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:15:01 PM eth0 249.06 151.59 2976.00 42.42 0.00 0.00 0.00 0.00 02:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:16:01 PM eth0 259.08 178.14 81.77 84.47 0.00 0.00 0.00 0.00 02:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:17:01 PM lo 6.54 6.54 0.80 0.80 0.00 0.00 0.00 0.00 02:17:01 PM eth0 27.31 20.10 9.16 11.42 0.00 0.00 0.00 0.00 02:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 186.64 131.44 1466.78 42.68 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) 07/28/2026 _x86_64_ (4 CPU) 14:11:41 LINUX RESTART (4 CPU) 02:12:01 PM CPU %user %nice %system %iowait %steal %idle 02:13:01 PM all 21.71 0.00 2.35 1.20 0.10 74.64 02:13:01 PM 0 11.59 0.00 1.35 0.27 0.08 86.71 02:13:01 PM 1 17.49 0.00 2.23 2.30 0.10 77.88 02:13:01 PM 2 30.35 0.00 2.81 1.00 0.10 65.74 02:13:01 PM 3 27.44 0.00 2.99 1.24 0.10 68.23 02:14:01 PM all 48.00 0.00 2.70 2.18 0.11 47.00 02:14:01 PM 0 49.39 0.00 2.96 0.94 0.12 46.60 02:14:01 PM 1 42.57 0.00 3.43 2.94 0.10 50.96 02:14:01 PM 2 53.63 0.00 2.09 3.05 0.10 41.13 02:14:01 PM 3 46.46 0.00 2.31 1.80 0.13 49.30 02:15:01 PM all 58.57 0.00 1.67 0.47 0.13 39.16 02:15:01 PM 0 65.31 0.00 1.32 0.38 0.10 32.89 02:15:01 PM 1 58.44 0.00 1.75 0.18 0.13 39.49 02:15:01 PM 2 51.39 0.00 1.54 0.40 0.13 46.54 02:15:01 PM 3 59.15 0.00 2.07 0.92 0.13 37.72 02:16:01 PM all 15.77 0.00 1.28 0.01 0.07 82.88 02:16:01 PM 0 8.58 0.00 1.44 0.02 0.08 89.88 02:16:01 PM 1 16.52 0.00 1.08 0.00 0.07 82.32 02:16:01 PM 2 25.08 0.00 1.25 0.03 0.07 73.56 02:16:01 PM 3 12.87 0.00 1.34 0.00 0.05 85.74 02:17:01 PM all 53.10 0.00 1.29 0.07 0.10 45.44 02:17:01 PM 0 60.16 0.00 1.17 0.02 0.12 38.54 02:17:01 PM 1 47.92 0.00 1.00 0.18 0.08 50.81 02:17:01 PM 2 56.91 0.00 1.75 0.05 0.10 41.19 02:17:01 PM 3 47.41 0.00 1.25 0.02 0.10 51.22 Average: all 39.43 0.00 1.86 0.79 0.10 57.83 Average: 0 39.01 0.00 1.65 0.32 0.10 58.92 Average: 1 36.60 0.00 1.90 1.12 0.10 60.28 Average: 2 43.46 0.00 1.89 0.90 0.10 53.65 Average: 3 38.66 0.00 1.99 0.79 0.10 58.45