---> uname -a: Linux prd-centos8-docker-8c-8g-17775.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: 2799.996 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1026 28260 19 2601 30409 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:3f:79:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe3f:791e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d5:ea:93:35 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) 06/19/2026 _x86_64_ (8 CPU) 05:18:01 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 132.12 1.95 130.17 306.30 12147.25 05:21:01 AM 192.74 3.43 189.31 998.37 8944.48 05:22:01 AM 67.94 2.65 65.29 99.03 5720.13 Average: 130.95 2.68 128.27 467.99 8937.29 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28458500 30356284 4194872 12.85 2688 2213548 2691428 7.99 159072 3565284 119708 05:21:01 AM 27313816 29455516 5339556 16.35 2688 2448572 3012600 8.94 228156 4603352 109360 05:22:01 AM 28948952 31148944 3704420 11.34 2688 2504020 1491760 4.43 420544 2775016 42616 Average: 28240423 30320248 4412949 13.51 2688 2388713 2398596 7.12 269257 3647884 90561 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 158.98 134.77 1259.10 43.77 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 269.96 225.85 2607.18 46.20 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 178.17 167.23 365.78 171.94 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 202.38 175.96 1410.89 87.29 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) 06/19/2026 _x86_64_ (8 CPU) 05:18:01 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 9.79 0.00 0.90 0.32 0.05 88.95 05:20:01 AM 0 3.02 0.00 0.72 0.32 0.03 95.91 05:20:01 AM 1 8.60 0.00 0.52 0.27 0.05 90.56 05:20:01 AM 2 8.67 0.00 1.02 0.57 0.05 89.69 05:20:01 AM 3 15.53 0.00 0.92 0.18 0.05 83.32 05:20:01 AM 4 13.05 0.00 1.25 0.95 0.05 84.69 05:20:01 AM 5 6.96 0.00 0.76 0.08 0.05 92.14 05:20:01 AM 6 15.18 0.00 1.23 0.13 0.05 83.40 05:20:01 AM 7 7.24 0.00 0.73 0.08 0.03 91.90 05:21:01 AM all 41.13 0.00 1.64 0.46 0.10 56.67 05:21:01 AM 0 33.49 0.00 1.45 0.37 0.08 64.60 05:21:01 AM 1 46.56 0.00 1.75 0.64 0.10 50.95 05:21:01 AM 2 46.65 0.00 1.97 0.55 0.10 50.73 05:21:01 AM 3 35.60 0.00 1.87 0.60 0.10 61.83 05:21:01 AM 4 39.69 0.00 1.00 0.37 0.12 58.83 05:21:01 AM 5 50.89 0.00 2.16 0.32 0.10 46.53 05:21:01 AM 6 47.09 0.00 1.38 0.25 0.10 51.18 05:21:01 AM 7 29.08 0.00 1.55 0.55 0.08 68.73 05:22:01 AM all 27.66 0.00 1.40 0.15 0.08 70.72 05:22:01 AM 0 30.21 0.00 1.57 0.03 0.08 68.11 05:22:01 AM 1 33.17 0.00 1.54 0.12 0.08 65.10 05:22:01 AM 2 31.56 0.00 2.14 0.17 0.10 66.04 05:22:01 AM 3 32.34 0.00 1.60 0.12 0.07 65.88 05:22:01 AM 4 23.76 0.00 1.19 0.10 0.07 74.89 05:22:01 AM 5 17.92 0.00 1.15 0.22 0.07 80.64 05:22:01 AM 6 25.74 0.00 1.20 0.25 0.07 72.74 05:22:01 AM 7 26.55 0.00 0.79 0.20 0.08 72.38 Average: all 26.20 0.00 1.31 0.31 0.07 72.10 Average: 0 22.25 0.00 1.25 0.24 0.07 76.20 Average: 1 29.44 0.00 1.27 0.34 0.08 68.87 Average: 2 28.96 0.00 1.71 0.43 0.08 68.82 Average: 3 27.82 0.00 1.46 0.30 0.07 70.34 Average: 4 25.50 0.00 1.15 0.47 0.08 72.80 Average: 5 25.35 0.00 1.36 0.21 0.07 73.01 Average: 6 29.34 0.00 1.27 0.21 0.07 69.10 Average: 7 20.95 0.00 1.02 0.28 0.07 77.68