---> uname -a: Linux prd-centos8-docker-8c-8g-3591.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1064 27218 20 3605 30360 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:f7:6c:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.75/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fef7:6c36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:76:3c:a3:d0 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::42:76ff:fe3c:a3d0/64 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) 09/21/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 141.51 14.41 127.10 3220.80 9664.72 03:40:01 AM 468.04 4.72 463.33 1150.55 16673.88 03:41:01 AM 241.06 2.47 238.60 411.66 39025.57 Average: 283.54 7.20 276.35 1594.18 21789.69 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29140992 31111296 3512380 10.76 2688 2287948 2018660 5.99 158276 2891380 228960 03:40:01 AM 28228504 30534148 4424868 13.55 2688 2613196 1886172 5.60 235376 3680000 153896 03:41:01 AM 26294728 29561880 6358644 19.47 2688 3562668 2853756 8.47 564956 5230816 72 Average: 27888075 30402441 4765297 14.59 2688 2821271 2252863 6.68 319536 3934065 127643 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 138.38 102.47 1674.83 34.58 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 414.13 384.16 4452.38 57.17 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 582.49 453.66 8984.85 48.50 0.00 0.00 0.00 0.00 03:41:01 AM docker0 4.23 7.36 0.25 143.30 0.00 0.00 0.00 0.00 03:41:01 AM vethd0450ad 0.33 0.43 0.03 0.65 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 378.36 313.45 5037.76 46.75 0.00 0.00 0.00 0.00 Average: docker0 1.41 2.45 0.08 47.78 0.00 0.00 0.00 0.00 Average: vethd0450ad 0.11 0.14 0.01 0.22 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) 09/21/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 9.80 0.00 1.02 0.56 0.01 88.61 03:39:01 AM 0 3.69 0.00 0.45 0.32 0.00 95.54 03:39:01 AM 1 13.17 0.00 1.20 0.12 0.02 85.49 03:39:01 AM 2 12.78 0.00 1.22 0.92 0.02 85.07 03:39:01 AM 3 7.12 0.00 1.02 1.12 0.02 90.73 03:39:01 AM 4 8.76 0.00 0.99 0.52 0.02 89.72 03:39:01 AM 5 7.21 0.00 1.24 0.38 0.00 91.17 03:39:01 AM 6 17.50 0.00 0.95 0.67 0.02 80.87 03:39:01 AM 7 8.20 0.00 1.12 0.42 0.00 90.27 03:40:01 AM all 20.65 0.00 1.61 1.54 0.01 76.19 03:40:01 AM 0 25.94 0.00 0.95 0.32 0.02 72.77 03:40:01 AM 1 15.81 0.00 1.86 1.21 0.02 81.11 03:40:01 AM 2 26.05 0.00 2.75 5.45 0.02 65.74 03:40:01 AM 3 27.68 0.00 1.57 1.54 0.02 69.19 03:40:01 AM 4 15.00 0.00 1.53 0.97 0.00 82.50 03:40:01 AM 5 14.06 0.00 1.27 0.79 0.02 83.86 03:40:01 AM 6 19.36 0.00 1.19 0.54 0.00 78.91 03:40:01 AM 7 21.29 0.00 1.76 1.51 0.02 75.43 03:41:01 AM all 24.43 0.00 2.34 0.89 0.03 72.30 03:41:01 AM 0 17.19 0.00 2.47 0.89 0.03 79.41 03:41:01 AM 1 25.16 0.00 2.23 1.98 0.02 70.61 03:41:01 AM 2 19.01 0.00 2.40 0.59 0.02 77.98 03:41:01 AM 3 31.64 0.00 3.40 1.67 0.03 63.26 03:41:01 AM 4 31.45 0.00 2.20 0.40 0.03 65.91 03:41:01 AM 5 30.38 0.00 2.48 1.09 0.05 65.99 03:41:01 AM 6 17.99 0.00 1.85 0.20 0.03 79.93 03:41:01 AM 7 22.63 0.00 1.68 0.30 0.03 75.35 Average: all 18.28 0.00 1.66 1.00 0.02 79.05 Average: 0 15.60 0.00 1.29 0.51 0.02 82.58 Average: 1 18.03 0.00 1.76 1.10 0.02 79.09 Average: 2 19.27 0.00 2.12 2.32 0.02 76.27 Average: 3 22.12 0.00 1.99 1.44 0.02 74.42 Average: 4 18.39 0.00 1.57 0.63 0.02 79.40 Average: 5 17.20 0.00 1.66 0.75 0.02 80.36 Average: 6 18.28 0.00 1.33 0.47 0.02 79.90 Average: 7 17.36 0.00 1.52 0.74 0.02 80.36