---> uname -a: Linux prd-centos8-docker-8c-8g-3280.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1065 27281 19 3543 30368 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:53:4c:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fe53:4cfc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:13:68:38 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::42:75ff:fe13:6838/64 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) 10/17/2025 _x86_64_ (8 CPU) 17:11:56 LINUX RESTART (8 CPU) 05:13:02 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 413.67 19.23 394.44 4416.47 13939.83 05:15:01 PM 251.20 2.52 248.68 487.70 39980.26 05:16:01 PM 91.01 0.85 90.16 69.00 13574.54 Average: 251.03 7.46 243.57 1642.12 22543.52 05:13:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28403260 30512712 4252452 13.02 2688 2421188 1997812 5.93 218512 3548192 219508 05:15:01 PM 26634216 29640952 6021496 18.44 2688 3306868 4048364 12.01 551144 4931424 16 05:16:01 PM 27968256 31129192 4687456 14.35 2688 3460524 1485892 4.41 803496 3353160 19788 Average: 27668577 30427619 4987135 15.27 2688 3062860 2510689 7.45 524384 3944259 79771 05:13:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 401.37 355.40 4008.62 71.14 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 492.10 383.31 8038.98 44.46 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.93 15.59 0.52 243.80 0.00 0.00 0.00 0.00 05:15:01 PM vethdd0fc61 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 271.01 294.96 421.65 2363.11 0.00 0.00 0.00 0.00 05:16:01 PM docker0 0.00 0.17 0.00 0.02 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 388.06 344.48 4156.40 830.76 0.00 0.00 0.00 0.00 Average: docker0 2.32 5.28 0.17 81.70 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) 10/17/2025 _x86_64_ (8 CPU) 17:11:56 LINUX RESTART (8 CPU) 05:13:02 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 20.65 0.00 1.54 1.74 0.07 75.99 05:14:01 PM 0 13.42 0.00 0.99 1.75 0.07 83.77 05:14:01 PM 1 28.07 0.00 2.28 2.42 0.10 67.14 05:14:01 PM 2 31.58 0.00 1.89 1.00 0.07 65.47 05:14:01 PM 3 14.49 0.00 1.67 2.08 0.07 81.69 05:14:01 PM 4 20.59 0.00 0.66 0.05 0.07 78.63 05:14:01 PM 5 16.75 0.00 2.16 3.95 0.07 77.06 05:14:01 PM 6 18.00 0.00 0.88 0.54 0.08 80.49 05:14:01 PM 7 22.32 0.00 1.75 2.16 0.07 73.70 05:15:01 PM all 24.50 0.00 2.26 2.10 0.09 71.05 05:15:01 PM 0 31.73 0.00 1.71 1.98 0.08 64.50 05:15:01 PM 1 37.97 0.00 2.43 6.16 0.12 53.32 05:15:01 PM 2 23.39 0.00 1.95 1.41 0.10 73.15 05:15:01 PM 3 17.58 0.00 2.57 0.86 0.10 78.89 05:15:01 PM 4 17.68 0.00 2.39 0.77 0.10 79.05 05:15:01 PM 5 21.94 0.00 2.39 2.25 0.08 73.34 05:15:01 PM 6 24.65 0.00 2.60 2.00 0.08 70.66 05:15:01 PM 7 21.02 0.00 2.02 1.38 0.08 75.50 05:16:01 PM all 12.23 0.00 2.05 0.44 0.06 85.22 05:16:01 PM 0 6.60 0.00 1.64 0.15 0.07 91.55 05:16:01 PM 1 18.76 0.00 2.46 0.22 0.05 78.51 05:16:01 PM 2 9.40 0.00 2.06 0.67 0.08 87.78 05:16:01 PM 3 9.58 0.00 1.84 0.74 0.07 87.77 05:16:01 PM 4 21.12 0.00 2.24 0.59 0.05 76.01 05:16:01 PM 5 8.81 0.00 2.46 0.69 0.08 87.96 05:16:01 PM 6 16.40 0.00 2.05 0.27 0.05 81.24 05:16:01 PM 7 7.14 0.00 1.69 0.18 0.05 90.93 Average: all 19.11 0.00 1.95 1.43 0.08 77.44 Average: 0 17.25 0.00 1.45 1.29 0.07 79.94 Average: 1 28.25 0.00 2.39 2.93 0.09 66.33 Average: 2 21.41 0.00 1.97 1.03 0.08 75.51 Average: 3 13.88 0.00 2.03 1.22 0.08 82.79 Average: 4 19.79 0.00 1.77 0.47 0.07 77.89 Average: 5 15.82 0.00 2.34 2.29 0.08 79.48 Average: 6 19.69 0.00 1.85 0.94 0.07 77.45 Average: 7 16.79 0.00 1.82 1.23 0.07 80.08