---> uname -a: Linux prd-centos8-docker-8c-8g-5315.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 nrip_save 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1073 26328 19 4485 30344 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:a4:cb:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.86/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fea4:cb0f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f9:a0:84:98 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:f9ff:fea0:8498/64 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) 07/05/2026 _x86_64_ (8 CPU) 07:30:21 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 205.73 14.68 191.05 3221.46 11756.34 07:33:01 AM 214.45 4.60 209.85 1123.95 20489.97 07:34:01 AM 257.51 16.59 240.92 5467.91 29607.45 Average: 225.90 11.96 213.94 3271.23 20618.42 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28983040 31002516 3670332 11.24 2688 2334128 1803944 5.35 189776 3005488 225564 07:33:01 AM 27050448 29840680 5602924 17.16 2688 3096180 2628904 7.80 275408 4814940 407756 07:34:01 AM 26176608 30174204 6476764 19.83 2688 4285420 2197928 6.52 675464 5222312 637324 Average: 27403365 30339133 5250007 16.08 2688 3238576 2210259 6.56 380216 4347580 423548 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 203.32 154.29 2398.35 43.26 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1787.87 643.96 10995.89 61.59 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM lo 12.86 12.86 1.35 1.35 0.00 0.00 0.00 0.00 07:34:01 AM eth0 338.24 150.65 2504.43 28.12 0.00 0.00 0.00 0.00 07:34:01 AM docker0 4.83 5.96 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.29 4.29 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 776.45 316.29 5299.40 44.32 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.99 0.22 0.23 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) 07/05/2026 _x86_64_ (8 CPU) 07:30:21 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 13.32 0.00 1.31 0.56 0.07 84.74 07:32:01 AM 0 6.97 0.00 0.87 0.43 0.07 91.66 07:32:01 AM 1 21.69 0.00 2.33 0.84 0.08 75.07 07:32:01 AM 2 12.00 0.00 1.24 0.42 0.07 86.28 07:32:01 AM 3 16.22 0.00 1.09 0.64 0.07 81.99 07:32:01 AM 4 22.77 0.00 2.19 0.63 0.08 74.33 07:32:01 AM 5 5.99 0.00 1.02 0.60 0.07 92.33 07:32:01 AM 6 13.76 0.00 0.87 0.35 0.07 84.95 07:32:01 AM 7 7.19 0.00 0.85 0.57 0.05 91.34 07:33:01 AM all 31.24 0.00 1.60 0.87 0.10 66.19 07:33:01 AM 0 38.79 0.00 1.42 1.87 0.10 57.81 07:33:01 AM 1 24.40 0.00 1.39 0.81 0.10 73.30 07:33:01 AM 2 44.75 0.00 2.53 1.12 0.10 51.49 07:33:01 AM 3 17.22 0.00 1.83 0.92 0.10 79.92 07:33:01 AM 4 24.87 0.00 1.43 0.87 0.08 72.75 07:33:01 AM 5 36.17 0.00 1.53 1.01 0.12 61.18 07:33:01 AM 6 34.23 0.00 1.33 0.27 0.08 64.09 07:33:01 AM 7 29.48 0.00 1.32 0.10 0.08 69.01 07:34:01 AM all 24.41 0.28 3.18 1.22 0.09 70.82 07:34:01 AM 0 28.74 0.00 3.48 0.32 0.08 67.38 07:34:01 AM 1 31.58 0.03 3.40 1.18 0.08 63.72 07:34:01 AM 2 24.86 0.03 3.71 2.52 0.10 68.77 07:34:01 AM 3 28.66 0.00 3.13 2.29 0.08 65.85 07:34:01 AM 4 25.00 1.78 2.82 1.48 0.08 68.85 07:34:01 AM 5 19.93 0.03 2.32 0.08 0.08 77.55 07:34:01 AM 6 22.04 0.03 2.84 1.63 0.08 73.37 07:34:01 AM 7 14.45 0.32 3.73 0.29 0.10 81.12 Average: all 22.98 0.09 2.03 0.88 0.08 73.94 Average: 0 24.81 0.00 1.92 0.88 0.08 72.31 Average: 1 25.88 0.01 2.37 0.94 0.09 70.70 Average: 2 27.18 0.01 2.49 1.35 0.09 68.87 Average: 3 20.69 0.00 2.01 1.28 0.08 75.93 Average: 4 24.21 0.59 2.14 0.99 0.08 71.98 Average: 5 20.67 0.01 1.62 0.57 0.09 77.04 Average: 6 23.33 0.01 1.68 0.75 0.08 74.16 Average: 7 17.04 0.11 1.96 0.32 0.08 80.50