---> uname -a: Linux prd-centos8-docker-8c-8g-6030.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1013 28271 20 2602 30422 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:35:53:da brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.59/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fe35:53da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:68:f1:71:bf 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) 09/29/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:03 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 163.22 2.93 160.29 376.15 11265.71 05:20:00 AM 185.47 2.57 182.90 948.21 12209.03 05:21:01 AM 67.05 1.13 65.93 81.28 5763.54 Average: 138.03 2.20 135.83 467.53 9714.08 05:18:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29215168 31132224 3438204 10.53 2688 2232476 2026336 6.01 165724 2800332 229092 05:20:00 AM 27218868 29360756 5434504 16.64 2688 2450180 3058536 9.08 227712 4696736 110112 05:21:01 AM 28939132 31141364 3714240 11.37 2688 2507500 1492740 4.43 422140 2780620 43392 Average: 28457723 30544781 4195649 12.85 2688 2396719 2192537 6.51 271859 3425896 127532 05:18:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 202.19 157.56 2174.39 50.68 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:00 AM lo 1.09 1.09 0.12 0.12 0.00 0.00 0.00 0.00 05:20:00 AM eth0 248.03 211.16 2367.48 39.70 0.00 0.00 0.00 0.00 05:20:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 164.19 165.25 343.31 168.55 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 Average: lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 204.63 178.11 1617.58 87.01 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) 09/29/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:03 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.44 0.00 1.42 0.41 0.02 83.72 05:19:01 AM 0 22.67 0.00 1.73 0.09 0.03 75.48 05:19:01 AM 1 22.15 0.00 2.55 0.59 0.02 74.69 05:19:01 AM 2 11.30 0.00 1.16 0.87 0.02 86.66 05:19:01 AM 3 13.80 0.00 1.51 0.42 0.02 84.26 05:19:01 AM 4 12.34 0.00 1.45 0.33 0.02 85.86 05:19:01 AM 5 12.56 0.00 0.48 0.24 0.00 86.72 05:19:01 AM 6 5.53 0.00 0.99 0.19 0.02 93.27 05:19:01 AM 7 15.15 0.00 1.49 0.57 0.02 82.77 05:20:00 AM all 40.09 0.00 1.70 0.50 0.01 57.70 05:20:00 AM 0 36.53 0.00 1.70 0.56 0.00 61.22 05:20:00 AM 1 38.80 0.00 1.48 0.37 0.00 59.35 05:20:00 AM 2 30.78 0.00 1.55 0.76 0.00 66.92 05:20:00 AM 3 36.32 0.00 1.85 0.59 0.02 61.23 05:20:00 AM 4 42.21 0.00 1.57 0.22 0.00 56.01 05:20:00 AM 5 42.92 0.00 1.94 0.49 0.02 54.63 05:20:00 AM 6 44.67 0.00 2.34 0.88 0.02 52.10 05:20:00 AM 7 48.46 0.00 1.16 0.18 0.02 50.18 05:21:01 AM all 29.07 0.00 1.68 0.15 0.02 69.08 05:21:01 AM 0 31.47 0.00 2.19 0.12 0.03 66.19 05:21:01 AM 1 33.32 0.00 1.61 0.25 0.02 64.80 05:21:01 AM 2 22.08 0.00 1.53 0.02 0.02 76.35 05:21:01 AM 3 24.28 0.00 1.31 0.10 0.02 74.29 05:21:01 AM 4 27.19 0.00 1.33 0.22 0.02 71.24 05:21:01 AM 5 33.99 0.00 1.81 0.08 0.02 64.11 05:21:01 AM 6 32.96 0.00 1.99 0.10 0.02 64.93 05:21:01 AM 7 27.22 0.00 1.66 0.35 0.02 70.76 Average: all 27.99 0.00 1.60 0.35 0.01 70.04 Average: 0 30.29 0.00 1.88 0.25 0.02 67.55 Average: 1 31.52 0.00 1.87 0.40 0.01 66.19 Average: 2 21.48 0.00 1.41 0.54 0.01 76.55 Average: 3 24.90 0.00 1.56 0.37 0.02 73.16 Average: 4 27.38 0.00 1.45 0.25 0.01 70.91 Average: 5 29.98 0.00 1.42 0.27 0.01 68.32 Average: 6 27.94 0.00 1.78 0.39 0.02 69.87 Average: 7 30.40 0.00 1.44 0.37 0.02 67.78