---> uname -a: Linux prd-centos8-docker-8c-8g-5574.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 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 1080 26366 19 4440 30339 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:e6:5a:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fee6:5a18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b0:90:d9:6c 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:b0ff:fe90:d96c/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) 05/31/2026 _x86_64_ (8 CPU) 02:28:22 LINUX RESTART (8 CPU) 02:29:02 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 198.03 14.77 183.26 3274.82 11057.10 02:31:01 AM 207.30 6.10 201.20 1194.00 19522.51 02:32:01 AM 140.34 15.23 125.11 5468.31 29720.96 Average: 181.80 12.02 169.78 3312.59 20150.69 02:29:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29046940 31059796 3606432 11.04 2688 2327792 1828240 5.42 187576 2949872 246048 02:31:01 AM 26899468 29709740 5753904 17.62 2688 3116340 2805788 8.33 273168 4970552 474344 02:32:01 AM 27015896 31071528 5637476 17.26 2688 4344008 1518300 4.51 740344 4327460 717716 Average: 27654101 30613688 4999271 15.31 2688 3262713 2050776 6.09 400363 4082628 479369 02:29:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 199.32 157.15 2386.47 43.00 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1912.91 738.07 11427.26 71.34 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.76 11.76 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 187.37 117.88 1665.02 25.87 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.30 5.45 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.94 3.94 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 769.70 338.71 5175.07 46.76 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.83 0.21 0.21 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) 05/31/2026 _x86_64_ (8 CPU) 02:28:22 LINUX RESTART (8 CPU) 02:29:02 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.40 0.00 1.34 0.51 0.06 84.69 02:30:01 AM 0 16.93 0.00 1.36 0.59 0.07 81.05 02:30:01 AM 1 7.49 0.00 1.26 1.07 0.05 90.13 02:30:01 AM 2 8.37 0.00 0.70 0.20 0.07 90.66 02:30:01 AM 3 7.82 0.00 0.92 0.44 0.07 90.75 02:30:01 AM 4 38.38 0.00 3.87 0.97 0.07 56.71 02:30:01 AM 5 9.75 0.00 0.98 0.37 0.05 88.84 02:30:01 AM 6 7.35 0.00 1.07 0.34 0.05 91.19 02:30:01 AM 7 11.05 0.00 0.56 0.12 0.05 88.22 02:31:01 AM all 28.29 0.00 1.56 0.60 0.08 69.48 02:31:01 AM 0 37.59 0.00 1.28 0.08 0.07 60.98 02:31:01 AM 1 32.14 0.00 2.72 1.19 0.08 63.86 02:31:01 AM 2 22.04 0.00 1.53 0.37 0.07 76.00 02:31:01 AM 3 22.99 0.00 1.53 0.42 0.08 74.98 02:31:01 AM 4 31.60 0.00 1.31 0.55 0.08 66.45 02:31:01 AM 5 33.20 0.00 1.66 1.57 0.08 63.48 02:31:01 AM 6 24.26 0.00 0.96 0.35 0.07 74.36 02:31:01 AM 7 22.46 0.00 1.53 0.22 0.07 75.73 02:32:01 AM all 21.64 0.53 2.95 0.73 0.10 74.05 02:32:01 AM 0 22.95 1.77 2.57 0.37 0.08 72.26 02:32:01 AM 1 19.31 0.05 3.04 1.28 0.12 76.20 02:32:01 AM 2 19.31 0.00 3.71 1.04 0.13 75.81 02:32:01 AM 3 21.29 0.12 2.72 0.29 0.10 75.49 02:32:01 AM 4 20.66 1.97 2.72 1.39 0.10 73.16 02:32:01 AM 5 21.86 0.02 3.30 0.76 0.08 73.98 02:32:01 AM 6 30.76 0.27 2.91 0.27 0.10 65.69 02:32:01 AM 7 16.97 0.07 2.64 0.45 0.08 79.78 Average: all 21.14 0.18 1.95 0.61 0.08 76.04 Average: 0 25.86 0.59 1.74 0.35 0.07 71.39 Average: 1 19.71 0.02 2.34 1.18 0.08 76.67 Average: 2 16.61 0.00 1.98 0.54 0.09 80.77 Average: 3 17.41 0.04 1.72 0.38 0.08 80.36 Average: 4 30.18 0.66 2.63 0.97 0.08 65.47 Average: 5 21.66 0.01 1.98 0.90 0.07 75.38 Average: 6 20.84 0.09 1.65 0.32 0.07 77.03 Average: 7 16.85 0.02 1.58 0.26 0.07 81.21