---> uname -a: Linux prd-centos8-docker-8c-8g-8805.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 1072 27140 19 3677 30358 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:d7:e9:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fed7:e981/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cf:6c:02:4d 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:cfff:fe6c:24d/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) 05/07/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 407.10 15.44 391.65 3940.29 16377.81 05:15:01 PM 243.71 5.58 238.13 518.14 15449.36 05:16:01 PM 150.47 3.35 147.12 447.45 37749.40 Average: 267.09 8.12 258.97 1635.23 23191.76 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28551288 30688832 4104424 12.57 2688 2448544 1847632 5.48 215664 3399912 185380 05:15:01 PM 26573372 29302580 6082340 18.63 2688 3032000 3008236 8.93 492868 5063196 352720 05:16:01 PM 27825724 31121300 4829988 14.79 2688 3591328 1487204 4.41 820636 3464788 91324 Average: 27650128 30370904 5005584 15.33 2688 3023957 2114357 6.27 509723 3975965 209808 05:13:01 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 418.11 356.35 4141.85 72.99 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 558.02 450.27 7969.65 54.51 0.00 0.00 0.00 0.00 05:15:01 PM docker0 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 290.22 282.79 1770.27 2369.83 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.08 13.76 0.53 258.00 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 422.12 363.14 4627.44 832.40 0.00 0.00 0.00 0.00 Average: docker0 2.36 4.59 0.18 86.00 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) 05/07/2026 _x86_64_ (8 CPU) 17:12:02 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 18.38 0.00 1.60 1.45 0.08 78.49 05:14:01 PM 0 10.71 0.00 1.81 2.96 0.08 84.44 05:14:01 PM 1 11.65 0.00 1.87 2.61 0.08 83.78 05:14:01 PM 2 20.47 0.00 1.09 0.80 0.08 77.56 05:14:01 PM 3 28.41 0.00 1.27 0.35 0.08 69.89 05:14:01 PM 4 26.17 0.00 2.80 1.83 0.07 69.14 05:14:01 PM 5 22.38 0.00 2.16 2.46 0.10 72.90 05:14:01 PM 6 14.69 0.00 1.09 0.47 0.08 83.67 05:14:01 PM 7 12.54 0.00 0.73 0.13 0.07 86.52 05:15:01 PM all 30.56 0.00 1.71 0.80 0.09 66.84 05:15:01 PM 0 20.72 0.00 1.73 0.69 0.08 76.79 05:15:01 PM 1 32.08 0.00 2.11 1.43 0.12 64.26 05:15:01 PM 2 45.43 0.00 1.09 0.89 0.08 52.51 05:15:01 PM 3 28.91 0.00 1.58 0.70 0.10 68.70 05:15:01 PM 4 40.72 0.00 3.34 1.43 0.10 54.41 05:15:01 PM 5 19.37 0.00 1.24 0.10 0.07 79.23 05:15:01 PM 6 20.40 0.00 1.21 0.86 0.07 77.47 05:15:01 PM 7 36.83 0.00 1.42 0.34 0.10 61.31 05:16:01 PM all 10.55 0.00 2.58 0.99 0.05 85.83 05:16:01 PM 0 6.80 0.00 2.63 0.17 0.05 90.35 05:16:01 PM 1 11.90 0.00 2.27 2.52 0.05 83.27 05:16:01 PM 2 10.72 0.00 3.03 1.62 0.07 84.56 05:16:01 PM 3 9.30 0.00 2.37 0.87 0.05 87.42 05:16:01 PM 4 6.58 0.00 2.25 0.54 0.05 90.59 05:16:01 PM 5 13.95 0.00 2.33 0.59 0.05 83.07 05:16:01 PM 6 7.24 0.00 2.35 1.36 0.05 89.00 05:16:01 PM 7 17.89 0.00 3.44 0.23 0.05 78.39 Average: all 19.82 0.00 1.97 1.08 0.07 77.05 Average: 0 12.74 0.00 2.05 1.27 0.07 83.86 Average: 1 18.54 0.00 2.08 2.18 0.08 77.11 Average: 2 25.54 0.00 1.74 1.11 0.08 71.54 Average: 3 22.21 0.00 1.74 0.64 0.08 75.33 Average: 4 24.48 0.00 2.80 1.26 0.07 71.39 Average: 5 18.57 0.00 1.91 1.05 0.07 78.39 Average: 6 14.11 0.00 1.55 0.89 0.07 83.38 Average: 7 22.41 0.00 1.86 0.23 0.07 75.42