---> uname -a: Linux prd-centos8-docker-8c-8g-12024.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1051 26555 19 4282 30373 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:c0:e2:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fec0:e2c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:5a:8f:32 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:e4ff:fe5a:8f32/64 scope link 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) 11/12/2025 _x86_64_ (8 CPU) 02:28:22 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 191.55 16.66 174.89 3281.19 10314.46 02:31:01 AM 172.81 3.93 168.88 1110.70 16097.30 02:32:01 AM 134.07 15.13 118.94 5445.52 28642.70 Average: 166.14 11.91 154.23 3279.13 18351.94 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29094384 30971916 3561328 10.91 2688 2194648 1650568 4.90 160820 2937796 142660 02:31:01 AM 27319204 29954632 5336508 16.34 2688 2945536 2505916 7.44 301184 4539216 433232 02:32:01 AM 27195380 31083236 5460332 16.72 2688 4179132 1493888 4.43 739840 4162924 716256 Average: 27869656 30669928 4786056 14.66 2688 3106439 1883457 5.59 400615 3879979 430716 02:29:01 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 179.04 144.66 1827.07 42.84 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 1687.54 744.99 10865.62 65.61 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 11.81 11.81 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 243.70 151.38 1820.19 36.45 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.27 5.40 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 703.45 347.02 4837.80 48.30 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.80 0.20 0.21 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) 11/12/2025 _x86_64_ (8 CPU) 02:28:22 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 12.34 0.00 1.13 0.53 0.06 85.94 02:30:01 AM 0 8.58 0.00 0.73 0.37 0.05 90.27 02:30:01 AM 1 14.57 0.00 1.34 0.55 0.07 83.48 02:30:01 AM 2 10.39 0.00 1.10 0.79 0.08 87.64 02:30:01 AM 3 25.36 0.00 2.72 1.09 0.07 70.77 02:30:01 AM 4 11.20 0.00 1.17 0.72 0.07 86.84 02:30:01 AM 5 16.43 0.00 1.04 0.42 0.05 82.07 02:30:01 AM 6 6.51 0.00 0.40 0.07 0.05 92.97 02:30:01 AM 7 5.67 0.00 0.52 0.27 0.03 93.51 02:31:01 AM all 26.88 0.00 1.54 0.68 0.10 70.81 02:31:01 AM 0 25.71 0.00 0.92 0.12 0.08 73.17 02:31:01 AM 1 8.81 0.00 1.56 0.69 0.08 88.86 02:31:01 AM 2 20.11 0.00 2.49 1.31 0.12 75.97 02:31:01 AM 3 27.34 0.00 1.51 0.75 0.10 70.30 02:31:01 AM 4 20.43 0.00 1.71 1.88 0.08 75.90 02:31:01 AM 5 44.24 0.00 1.23 0.12 0.12 54.30 02:31:01 AM 6 32.28 0.00 1.46 0.03 0.08 66.15 02:31:01 AM 7 36.13 0.00 1.42 0.50 0.12 61.82 02:32:01 AM all 22.06 0.32 3.23 0.81 0.11 73.47 02:32:01 AM 0 20.89 0.00 3.15 0.25 0.13 75.57 02:32:01 AM 1 22.96 0.02 3.22 2.52 0.12 71.16 02:32:01 AM 2 18.83 0.05 4.01 2.07 0.10 74.94 02:32:01 AM 3 23.37 0.00 3.35 0.12 0.13 73.04 02:32:01 AM 4 19.68 0.02 3.44 0.30 0.10 76.46 02:32:01 AM 5 33.59 0.03 2.91 0.32 0.10 63.05 02:32:01 AM 6 18.89 0.00 3.33 0.62 0.10 77.05 02:32:01 AM 7 18.29 2.45 2.39 0.25 0.10 76.52 Average: all 20.41 0.11 1.96 0.67 0.09 76.76 Average: 0 18.38 0.00 1.60 0.25 0.09 79.68 Average: 1 15.44 0.01 2.04 1.25 0.09 81.17 Average: 2 16.43 0.02 2.53 1.39 0.10 79.53 Average: 3 25.36 0.00 2.52 0.65 0.10 71.36 Average: 4 17.09 0.01 2.11 0.97 0.08 79.74 Average: 5 31.38 0.01 1.72 0.29 0.09 66.51 Average: 6 19.21 0.00 1.73 0.24 0.08 78.74 Average: 7 20.02 0.82 1.44 0.34 0.08 77.30