---> uname -a: Linux prd-centos8-docker-8c-8g-9168.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1925 25197 19 4767 29498 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:1f:0f:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.23/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe1f:fe3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5b:28:9d:a9 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::42:5bff:fe28:9da9/64 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) 05/09/2026 _x86_64_ (8 CPU) 11:21:17 LINUX RESTART (8 CPU) 11:22:01 AM tps rtps wtps bread/s bwrtn/s 11:23:01 AM 273.54 16.81 256.73 3293.04 15220.04 11:24:01 AM 182.27 16.53 165.74 2096.63 55405.06 11:25:01 AM 267.78 5.23 262.55 4628.22 25953.47 Average: 241.20 12.86 228.34 3339.37 32192.51 11:22:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:23:01 AM 28077324 30722016 4578388 14.02 2688 2958436 1863160 5.53 197192 3900440 755424 11:24:01 AM 25719256 29284556 6936456 21.24 2688 3860612 4142080 12.29 449244 5926668 1596 11:25:01 AM 25814496 30280948 6841216 20.95 2688 4757092 2199864 6.53 824496 5452544 55364 Average: 26537025 30095840 6118687 18.74 2688 3858713 2735035 8.11 490311 5093217 270795 11:22:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:23:01 AM eth0 873.84 495.60 13662.32 70.71 0.00 0.00 0.00 0.00 11:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:24:01 AM eth0 1425.94 386.07 7352.72 33.13 0.00 0.00 0.00 0.00 11:24:01 AM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:24:01 AM veth0780b1c 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:25:01 AM lo 12.86 12.86 1.35 1.35 0.00 0.00 0.00 0.00 11:25:01 AM eth0 360.15 245.19 2065.73 85.86 0.00 0.00 0.00 0.00 11:25:01 AM docker0 4.83 5.80 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 4.29 4.29 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 886.62 375.62 7693.28 63.24 0.00 0.00 0.00 0.00 Average: docker0 1.61 1.97 0.22 0.23 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) 05/09/2026 _x86_64_ (8 CPU) 11:21:17 LINUX RESTART (8 CPU) 11:22:01 AM CPU %user %nice %system %iowait %steal %idle 11:23:01 AM all 14.91 0.00 1.55 0.77 0.07 82.69 11:23:01 AM 0 10.98 0.00 1.42 1.24 0.08 86.27 11:23:01 AM 1 6.94 0.00 1.00 0.77 0.08 91.21 11:23:01 AM 2 27.27 0.00 2.74 0.95 0.07 68.97 11:23:01 AM 3 19.05 0.00 2.31 0.75 0.07 77.82 11:23:01 AM 4 13.90 0.00 1.27 0.53 0.05 84.24 11:23:01 AM 5 18.02 0.00 1.24 0.55 0.07 80.13 11:23:01 AM 6 12.95 0.00 1.10 0.48 0.07 85.39 11:23:01 AM 7 10.19 0.00 1.34 0.87 0.07 87.53 11:24:01 AM all 33.23 0.25 2.89 0.81 0.09 62.73 11:24:01 AM 0 44.88 0.03 3.45 0.54 0.10 51.00 11:24:01 AM 1 30.34 0.00 2.56 0.96 0.08 66.05 11:24:01 AM 2 28.64 1.25 2.68 0.37 0.08 66.98 11:24:01 AM 3 33.38 0.00 4.04 1.73 0.12 60.73 11:24:01 AM 4 41.17 0.00 3.22 1.52 0.10 54.00 11:24:01 AM 5 13.69 0.68 2.21 1.00 0.08 82.35 11:24:01 AM 6 33.68 0.00 2.45 0.12 0.08 63.67 11:24:01 AM 7 39.97 0.05 2.52 0.25 0.07 57.14 11:25:01 AM all 29.99 0.09 2.78 0.71 0.09 66.33 11:25:01 AM 0 33.33 0.54 2.28 0.23 0.10 63.52 11:25:01 AM 1 18.77 0.00 2.13 0.18 0.10 78.82 11:25:01 AM 2 44.31 0.03 2.80 0.12 0.10 52.63 11:25:01 AM 3 34.88 0.02 3.69 2.74 0.08 58.59 11:25:01 AM 4 46.70 0.00 3.17 0.03 0.08 50.02 11:25:01 AM 5 25.35 0.08 3.12 2.11 0.08 69.25 11:25:01 AM 6 20.36 0.07 2.25 0.13 0.08 77.11 11:25:01 AM 7 16.23 0.02 2.84 0.13 0.08 80.70 Average: all 26.03 0.11 2.41 0.76 0.08 70.61 Average: 0 29.71 0.19 2.38 0.67 0.09 66.95 Average: 1 18.65 0.00 1.90 0.64 0.09 78.73 Average: 2 33.41 0.43 2.74 0.48 0.08 62.86 Average: 3 29.09 0.01 3.34 1.74 0.09 65.73 Average: 4 33.89 0.00 2.55 0.69 0.08 62.79 Average: 5 19.03 0.25 2.19 1.22 0.08 77.23 Average: 6 22.31 0.02 1.93 0.25 0.08 75.41 Average: 7 22.11 0.02 2.23 0.42 0.07 75.14