---> uname -a: Linux prd-centos8-docker-8c-8g-3051.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1042 27088 19 3756 30383 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:56:20:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.227/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fe56:20b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:85:e8:04 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::42:56ff:fe85:e804/64 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) 05/23/2026 _x86_64_ (8 CPU) 17:11:27 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 136.09 4.22 131.87 1756.75 11180.81 05:14:01 PM 418.33 16.60 401.73 2768.74 16600.73 05:15:01 PM 289.54 2.65 286.89 398.93 45820.74 Average: 281.31 7.82 273.49 1641.41 24534.53 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29354844 31278608 3298528 10.10 2688 2241188 1411216 4.19 149360 2692404 237696 05:14:01 PM 27820480 30144568 4832892 14.80 2688 2630660 2310808 6.86 262748 4060824 164440 05:15:01 PM 26194432 29490252 6458940 19.78 2688 3590432 3250048 9.64 635884 5266172 74952 Average: 27789919 30304476 4863453 14.89 2688 2820760 2324024 6.90 349331 4006467 159029 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 126.96 90.15 1896.06 29.35 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 467.22 410.20 4740.50 63.11 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 532.47 421.89 8264.08 404.79 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.08 14.16 0.52 256.91 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 375.55 307.41 4966.89 165.76 0.00 0.00 0.00 0.00 Average: docker0 2.36 4.72 0.17 85.64 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) 05/23/2026 _x86_64_ (8 CPU) 17:11:27 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 9.45 0.00 1.02 0.37 0.05 89.11 05:13:01 PM 0 3.87 0.00 0.48 0.23 0.07 95.35 05:13:01 PM 1 8.03 0.00 0.90 0.28 0.05 90.74 05:13:01 PM 2 10.64 0.00 1.19 0.10 0.07 88.00 05:13:01 PM 3 27.16 0.00 2.58 1.17 0.03 69.05 05:13:01 PM 4 8.90 0.00 0.97 0.62 0.03 89.48 05:13:01 PM 5 8.04 0.00 1.20 0.35 0.03 90.37 05:13:01 PM 6 0.42 0.00 0.22 0.05 0.07 99.25 05:13:01 PM 7 8.51 0.00 0.63 0.17 0.03 90.66 05:14:01 PM all 25.14 0.00 1.61 1.60 0.09 71.55 05:14:01 PM 0 26.60 0.00 2.83 3.62 0.10 66.85 05:14:01 PM 1 16.23 0.00 1.37 1.07 0.08 81.24 05:14:01 PM 2 21.54 0.00 1.34 2.39 0.10 74.63 05:14:01 PM 3 31.63 0.00 1.62 1.29 0.08 65.38 05:14:01 PM 4 30.63 0.00 1.39 0.82 0.08 67.08 05:14:01 PM 5 24.07 0.00 1.44 1.27 0.08 73.13 05:14:01 PM 6 20.94 0.00 1.14 0.58 0.08 77.26 05:14:01 PM 7 29.46 0.00 1.79 1.79 0.10 66.86 05:15:01 PM all 22.66 0.00 2.70 1.82 0.08 72.73 05:15:01 PM 0 26.40 0.00 3.32 1.09 0.08 69.10 05:15:01 PM 1 16.93 0.00 2.69 3.83 0.08 76.47 05:15:01 PM 2 18.53 0.00 3.58 4.11 0.08 73.70 05:15:01 PM 3 29.17 0.00 2.38 1.66 0.07 66.72 05:15:01 PM 4 34.31 0.00 2.38 0.82 0.08 62.40 05:15:01 PM 5 18.34 0.00 2.58 0.77 0.10 78.21 05:15:01 PM 6 14.84 0.00 2.30 0.92 0.08 81.85 05:15:01 PM 7 22.74 0.00 2.37 1.38 0.08 73.42 Average: all 19.07 0.00 1.78 1.26 0.07 77.81 Average: 0 18.93 0.00 2.21 1.65 0.08 77.13 Average: 1 13.72 0.00 1.65 1.73 0.07 82.83 Average: 2 16.90 0.00 2.03 2.20 0.08 78.78 Average: 3 29.32 0.00 2.20 1.37 0.06 67.05 Average: 4 24.59 0.00 1.58 0.75 0.07 73.01 Average: 5 16.80 0.00 1.74 0.80 0.07 80.59 Average: 6 12.06 0.00 1.22 0.52 0.08 86.13 Average: 7 20.22 0.00 1.60 1.11 0.07 77.00