---> uname -a: Linux prd-centos8-docker-8c-8g-4427.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: 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1024 28194 19 2671 30419 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:09:6a:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.14/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86210sec preferred_lft 86210sec inet6 fe80::f816:3eff:fe09:6a87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b6:65:78:1a 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) 04/07/2026 _x86_64_ (8 CPU) 13:13:04 LINUX RESTART (8 CPU) 01:14:03 PM tps rtps wtps bread/s bwrtn/s 01:15:01 PM 242.02 18.56 223.46 3922.23 14297.05 01:16:01 PM 107.80 2.23 105.57 649.36 11626.48 Average: 173.78 10.26 163.52 2258.21 12939.25 01:14:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:15:01 PM 28583364 30644504 4072348 12.47 2688 2375100 1800604 5.34 214768 3378128 130188 01:16:01 PM 28888432 31171912 3767280 11.54 2688 2593056 1465928 4.35 446340 2831340 32844 Average: 28735898 30908208 3919814 12.00 2688 2484078 1633266 4.85 330554 3104734 81516 01:14:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:15:01 PM eth0 276.18 230.89 3077.47 40.69 0.00 0.00 0.00 0.00 01:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:16:01 PM eth0 214.35 149.34 2958.09 25.51 0.00 0.00 0.00 0.00 01:16:01 PM 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 244.74 189.43 3016.77 32.97 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) 04/07/2026 _x86_64_ (8 CPU) 13:13:04 LINUX RESTART (8 CPU) 01:14:03 PM CPU %user %nice %system %iowait %steal %idle 01:15:01 PM all 17.27 0.00 1.21 0.76 0.07 80.69 01:15:01 PM 0 26.73 0.00 1.00 0.38 0.07 71.82 01:15:01 PM 1 19.18 0.00 1.83 1.28 0.09 77.63 01:15:01 PM 2 18.38 0.00 1.50 0.95 0.09 79.08 01:15:01 PM 3 17.50 0.00 1.69 1.31 0.05 79.44 01:15:01 PM 4 5.58 0.00 0.93 0.45 0.05 92.98 01:15:01 PM 5 22.48 0.00 0.92 0.35 0.07 76.19 01:15:01 PM 6 9.06 0.00 0.55 0.24 0.05 90.09 01:15:01 PM 7 19.23 0.00 1.26 1.12 0.10 78.29 01:16:01 PM all 24.25 0.00 1.06 0.31 0.06 74.33 01:16:01 PM 0 22.17 0.00 0.69 0.40 0.07 76.67 01:16:01 PM 1 25.35 0.00 1.13 0.08 0.07 73.36 01:16:01 PM 2 29.14 0.00 1.07 0.13 0.07 69.59 01:16:01 PM 3 27.11 0.00 1.40 0.12 0.07 71.30 01:16:01 PM 4 20.64 0.00 1.12 1.04 0.05 77.15 01:16:01 PM 5 26.42 0.00 1.02 0.28 0.05 72.23 01:16:01 PM 6 16.27 0.00 0.74 0.08 0.07 82.84 01:16:01 PM 7 26.85 0.00 1.30 0.32 0.05 71.48 Average: all 20.82 0.00 1.13 0.53 0.07 77.45 Average: 0 24.42 0.00 0.84 0.39 0.07 74.28 Average: 1 22.32 0.00 1.48 0.67 0.08 75.46 Average: 2 23.85 0.00 1.28 0.54 0.08 74.26 Average: 3 22.39 0.00 1.55 0.70 0.06 75.30 Average: 4 13.24 0.00 1.03 0.75 0.05 84.93 Average: 5 24.48 0.00 0.97 0.31 0.06 74.18 Average: 6 12.73 0.00 0.65 0.16 0.06 86.40 Average: 7 23.10 0.00 1.28 0.71 0.08 74.82