---> uname -a: Linux prd-centos8-docker-8c-8g-1529.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 31890 1004 28207 19 2679 30439 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:34:d1:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86224sec preferred_lft 86224sec inet6 fe80::f816:3eff:fe34:d143/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6f:f5:33:d7 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/20/2026 _x86_64_ (8 CPU) 06:54:44 LINUX RESTART (8 CPU) 06:55:01 AM tps rtps wtps bread/s bwrtn/s 06:56:01 AM 205.45 18.31 187.14 3905.76 8426.82 06:57:01 AM 267.31 13.66 253.64 2338.01 16937.96 Average: 236.37 15.99 220.39 3121.95 12682.04 06:55:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:56:01 AM 29337860 31204908 3317852 10.16 2688 2185956 2035924 6.04 158464 2714344 288924 06:57:01 AM 27379464 29649288 5276248 16.16 2688 2580944 2856484 8.48 257008 4523316 182928 Average: 28358662 30427098 4297050 13.16 2688 2383450 2446204 7.26 207736 3618830 235926 06:55:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 AM eth0 356.33 235.37 2374.94 70.54 0.00 0.00 0.00 0.00 06:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 AM eth0 391.28 316.85 5119.13 46.12 0.00 0.00 0.00 0.00 06:57:01 AM docker0 0.00 0.00 0.00 0.00 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 373.81 276.11 3746.92 58.33 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/20/2026 _x86_64_ (8 CPU) 06:54:44 LINUX RESTART (8 CPU) 06:55:01 AM CPU %user %nice %system %iowait %steal %idle 06:56:01 AM all 12.40 0.00 1.69 0.75 0.05 85.12 06:56:01 AM 0 9.58 0.00 2.16 0.34 0.08 87.84 06:56:01 AM 1 26.77 0.00 2.89 0.92 0.05 69.37 06:56:01 AM 2 13.71 0.00 0.92 0.63 0.03 84.70 06:56:01 AM 3 13.28 0.00 2.02 0.47 0.05 84.18 06:56:01 AM 4 4.54 0.00 1.61 0.64 0.05 93.16 06:56:01 AM 5 11.64 0.00 1.07 0.27 0.03 86.99 06:56:01 AM 6 4.52 0.00 0.72 0.12 0.07 94.57 06:56:01 AM 7 15.10 0.00 2.09 2.61 0.03 80.17 06:57:01 AM all 29.90 0.00 1.32 0.83 0.09 67.86 06:57:01 AM 0 33.03 0.00 0.65 0.22 0.10 66.00 06:57:01 AM 1 35.12 0.00 1.20 0.82 0.08 62.78 06:57:01 AM 2 28.52 0.00 1.62 0.77 0.08 69.01 06:57:01 AM 3 35.29 0.00 2.02 1.36 0.10 61.23 06:57:01 AM 4 39.44 0.00 1.47 1.02 0.10 57.98 06:57:01 AM 5 21.07 0.00 1.34 0.62 0.08 76.89 06:57:01 AM 6 19.18 0.00 1.19 1.47 0.08 78.08 06:57:01 AM 7 27.54 0.00 1.07 0.37 0.08 70.94 Average: all 21.15 0.00 1.50 0.79 0.07 76.48 Average: 0 21.33 0.00 1.41 0.28 0.09 76.90 Average: 1 30.95 0.00 2.05 0.87 0.07 66.07 Average: 2 21.11 0.00 1.27 0.70 0.06 76.86 Average: 3 24.28 0.00 2.02 0.91 0.08 72.71 Average: 4 22.02 0.00 1.54 0.83 0.08 75.53 Average: 5 16.35 0.00 1.20 0.44 0.06 81.95 Average: 6 11.85 0.00 0.95 0.80 0.08 86.32 Average: 7 21.32 0.00 1.58 1.49 0.06 75.55