---> uname -a: Linux prd-centos8-docker-8c-8g-4166.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 995 28288 19 2604 30441 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:76:2c:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.45/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe76:2cb6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:83:07:4f:fa 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) 07/01/2026 _x86_64_ (8 CPU) 05:18:04 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 116.16 1.52 114.65 287.10 9399.47 05:21:01 AM 206.03 2.42 203.62 631.39 12171.36 05:22:01 AM 68.36 1.58 66.78 392.80 5629.69 Average: 130.18 1.84 128.35 437.10 9066.84 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 29404824 31288664 3248548 9.95 2688 2199944 1348284 4.00 151276 2635728 212324 05:21:01 AM 27591088 29679652 5062284 15.50 2688 2397220 2842948 8.44 214716 4343720 86276 05:22:01 AM 28936676 31141180 3716696 11.38 2688 2509384 1484084 4.40 245860 2959892 58064 Average: 28644196 30703165 4009176 12.28 2688 2368849 1891772 5.61 203951 3313113 118888 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 159.55 130.76 1117.59 41.14 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 231.79 211.23 2387.85 39.34 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 110.03 98.30 776.47 27.91 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 167.12 146.76 1427.31 36.13 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) 07/01/2026 _x86_64_ (8 CPU) 05:18:04 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 6.49 0.00 0.83 0.39 0.05 92.25 05:20:01 AM 0 2.47 0.00 0.42 0.12 0.05 96.95 05:20:01 AM 1 13.59 0.00 1.59 0.42 0.05 84.36 05:20:01 AM 2 1.65 0.00 0.75 0.42 0.05 97.12 05:20:01 AM 3 21.68 0.00 1.94 1.05 0.08 75.25 05:20:01 AM 4 1.63 0.00 0.35 0.28 0.02 97.72 05:20:01 AM 5 1.03 0.00 0.38 0.45 0.03 98.10 05:20:01 AM 6 9.51 0.00 0.95 0.25 0.05 89.24 05:20:01 AM 7 0.37 0.00 0.23 0.10 0.05 99.25 05:21:01 AM all 38.73 0.00 1.76 0.57 0.09 58.87 05:21:01 AM 0 44.58 0.00 2.26 0.43 0.08 52.65 05:21:01 AM 1 34.42 0.00 1.59 0.27 0.08 63.64 05:21:01 AM 2 36.30 0.00 1.25 0.35 0.08 62.01 05:21:01 AM 3 45.16 0.00 1.82 1.10 0.10 51.81 05:21:01 AM 4 52.18 0.00 1.57 0.30 0.10 45.85 05:21:01 AM 5 29.46 0.00 1.59 0.60 0.08 68.26 05:21:01 AM 6 43.97 0.00 2.50 1.27 0.08 52.18 05:21:01 AM 7 23.74 0.00 1.47 0.20 0.07 74.52 05:22:01 AM all 36.31 0.00 1.74 0.24 0.08 61.63 05:22:01 AM 0 51.31 0.00 2.91 0.23 0.10 45.45 05:22:01 AM 1 36.03 0.00 1.85 0.55 0.08 61.49 05:22:01 AM 2 28.37 0.00 1.80 0.22 0.08 69.52 05:22:01 AM 3 34.81 0.00 1.39 0.07 0.07 63.67 05:22:01 AM 4 37.92 0.00 1.44 0.07 0.07 60.51 05:22:01 AM 5 33.83 0.00 1.60 0.67 0.07 63.83 05:22:01 AM 6 32.12 0.00 1.44 0.08 0.08 66.28 05:22:01 AM 7 36.07 0.00 1.50 0.07 0.08 62.28 Average: all 27.17 0.00 1.44 0.40 0.07 70.92 Average: 0 32.78 0.00 1.86 0.26 0.08 65.02 Average: 1 28.01 0.00 1.68 0.41 0.07 69.83 Average: 2 22.11 0.00 1.27 0.33 0.07 76.22 Average: 3 33.88 0.00 1.72 0.74 0.08 63.58 Average: 4 30.56 0.00 1.12 0.22 0.06 68.05 Average: 5 21.43 0.00 1.19 0.57 0.06 76.75 Average: 6 28.51 0.00 1.63 0.53 0.07 69.25 Average: 7 20.06 0.00 1.07 0.12 0.07 78.68