---> uname -a: Linux prd-centos8-docker-4c-4g-17885.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 783 12076 20 2900 14639 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:1d:70:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.210/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe1d:704e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:7d:de:3d 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) 09/04/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:02 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 103.81 2.98 100.83 1675.36 7861.93 01:25:01 PM 249.03 17.04 231.98 2599.23 13138.96 01:26:01 PM 32.46 1.65 30.81 63.58 7720.64 01:27:01 PM 43.72 1.63 42.09 122.89 9380.22 Average: 107.27 5.84 101.43 1112.99 9532.55 01:23:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13069828 15090032 3069480 19.02 2688 2229712 1399844 8.14 150000 2533992 285620 01:25:01 PM 11704856 14074128 4434452 27.48 2688 2571260 1967104 11.44 240512 3767320 223928 01:26:01 PM 11192404 13565880 4946904 30.65 2688 2575220 2508952 14.60 255540 4259484 908 01:27:01 PM 12355408 14980952 3783900 23.45 2688 2825308 1156256 6.73 532292 2824000 7524 Average: 12080624 14427748 4058684 25.15 2688 2550375 1758039 10.23 294586 3346199 129495 01:23:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 173.25 112.40 1835.10 20.20 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 287.84 242.88 4139.33 49.00 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.36 25.36 5.11 5.11 0.00 0.00 0.00 0.00 01:26:01 PM eth0 25.31 18.94 10.11 17.98 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 3.72 3.72 0.98 0.98 0.00 0.00 0.00 0.00 01:27:01 PM eth0 70.69 73.64 272.78 931.84 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.34 7.34 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 139.14 111.97 1563.30 255.73 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) 09/04/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:02 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 18.65 0.00 2.14 0.48 0.02 78.72 01:24:01 PM 0 14.64 0.00 2.12 0.49 0.02 82.74 01:24:01 PM 1 6.84 0.00 0.97 0.20 0.00 91.98 01:24:01 PM 2 18.67 0.00 2.53 0.61 0.02 78.17 01:24:01 PM 3 34.43 0.00 2.94 0.61 0.03 61.98 01:25:01 PM all 41.71 0.00 2.86 1.49 0.02 53.92 01:25:01 PM 0 43.44 0.00 3.38 1.74 0.02 51.42 01:25:01 PM 1 44.29 0.00 3.34 1.91 0.02 50.44 01:25:01 PM 2 46.93 0.00 1.69 0.53 0.02 50.84 01:25:01 PM 3 32.16 0.00 3.03 1.79 0.02 63.00 01:26:01 PM all 25.44 0.00 0.88 0.17 0.01 73.51 01:26:01 PM 0 23.65 0.00 0.95 0.13 0.02 75.24 01:26:01 PM 1 30.77 0.00 0.42 0.08 0.02 68.71 01:26:01 PM 2 29.85 0.00 0.72 0.08 0.00 69.35 01:26:01 PM 3 17.46 0.00 1.42 0.38 0.00 80.74 01:27:01 PM all 18.31 0.00 1.83 0.38 0.02 79.47 01:27:01 PM 0 19.65 0.00 1.40 0.28 0.02 78.65 01:27:01 PM 1 17.73 0.00 2.42 0.35 0.02 79.48 01:27:01 PM 2 24.21 0.00 1.82 0.10 0.02 73.85 01:27:01 PM 3 11.64 0.00 1.67 0.77 0.02 85.90 Average: all 26.05 0.00 1.93 0.63 0.01 71.38 Average: 0 25.38 0.00 1.96 0.66 0.02 71.98 Average: 1 24.98 0.00 1.79 0.64 0.01 72.58 Average: 2 29.96 0.00 1.69 0.33 0.01 68.01 Average: 3 23.88 0.00 2.26 0.89 0.02 72.95