---> uname -a: Linux prd-centos8-docker-8c-8g-5764.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: 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): 0-7 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1002 28284 20 2601 30433 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:ef:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.229/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe1d:ef96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e3:29:3f:06 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) 09/28/2026 _x86_64_ (8 CPU) 05:18:24 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 130.29 2.28 128.01 338.82 9642.54 05:21:01 AM 216.03 3.13 212.90 673.64 13315.61 05:22:01 AM 71.81 1.38 70.43 402.40 5840.69 Average: 139.38 2.27 137.11 471.62 9599.61 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28985300 30868128 3668072 11.23 2688 2199544 2368188 7.03 158796 3043096 236304 05:21:01 AM 27112584 29202928 5540788 16.97 2688 2399192 3714660 11.02 219944 4811060 82792 05:22:01 AM 28960564 31160736 3692808 11.31 2688 2505588 1486348 4.41 243620 2935336 57836 Average: 28352816 30410597 4300556 13.17 2688 2368108 2523065 7.49 207453 3596497 125644 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 172.44 135.85 1732.76 44.07 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 243.62 203.48 2355.36 43.09 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 174.24 164.36 794.45 140.15 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 196.77 167.90 1627.52 75.77 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) 09/28/2026 _x86_64_ (8 CPU) 05:18:24 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 11.03 0.00 1.08 0.34 0.00 87.55 05:20:01 AM 0 9.40 0.00 0.82 0.05 0.00 89.74 05:20:01 AM 1 24.56 0.00 2.51 0.68 0.00 72.25 05:20:01 AM 2 20.33 0.00 1.94 0.52 0.00 77.21 05:20:01 AM 3 5.60 0.00 0.38 0.00 0.00 94.01 05:20:01 AM 4 5.56 0.00 0.82 0.77 0.00 92.85 05:20:01 AM 5 9.12 0.00 1.02 0.25 0.00 89.61 05:20:01 AM 6 10.11 0.00 0.70 0.22 0.02 88.96 05:20:01 AM 7 3.51 0.00 0.49 0.23 0.02 95.75 05:21:01 AM all 37.23 0.00 1.74 0.60 0.01 60.42 05:21:01 AM 0 25.92 0.00 1.76 0.37 0.03 71.93 05:21:01 AM 1 41.12 0.00 1.74 0.74 0.02 56.39 05:21:01 AM 2 42.31 0.00 1.71 0.28 0.02 55.69 05:21:01 AM 3 42.05 0.00 1.99 0.87 0.02 55.07 05:21:01 AM 4 35.28 0.00 1.72 0.55 0.02 62.42 05:21:01 AM 5 41.04 0.00 1.62 0.77 0.02 56.55 05:21:01 AM 6 32.38 0.00 1.69 0.74 0.00 65.19 05:21:01 AM 7 37.73 0.00 1.65 0.50 0.00 60.12 05:22:01 AM all 33.43 0.00 1.78 0.16 0.02 64.61 05:22:01 AM 0 27.89 0.00 2.07 0.13 0.00 69.90 05:22:01 AM 1 36.19 0.00 1.55 0.13 0.02 62.11 05:22:01 AM 2 45.79 0.00 2.16 0.17 0.03 51.85 05:22:01 AM 3 28.90 0.00 1.69 0.07 0.02 69.32 05:22:01 AM 4 38.90 0.00 2.09 0.25 0.02 58.74 05:22:01 AM 5 33.76 0.00 2.11 0.18 0.03 63.92 05:22:01 AM 6 31.28 0.00 1.30 0.35 0.00 67.06 05:22:01 AM 7 24.75 0.00 1.29 0.00 0.02 73.94 Average: all 27.22 0.00 1.53 0.37 0.01 70.86 Average: 0 21.06 0.00 1.55 0.18 0.01 77.19 Average: 1 33.96 0.00 1.93 0.52 0.01 63.58 Average: 2 36.14 0.00 1.93 0.32 0.02 61.59 Average: 3 25.52 0.00 1.35 0.31 0.01 72.80 Average: 4 26.57 0.00 1.54 0.52 0.01 71.35 Average: 5 27.96 0.00 1.58 0.40 0.02 70.04 Average: 6 24.58 0.00 1.23 0.43 0.01 73.75 Average: 7 22.01 0.00 1.14 0.25 0.01 76.59