---> uname -a: Linux prd-centos8-docker-8c-8g-9966.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: 2799.996 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 1055 27154 19 3680 30375 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:25:9c:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.52/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fe25:9ce8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d1:ab:40:06 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:d1ff:feab:4006/64 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) 05/12/2026 _x86_64_ (8 CPU) 17:14:07 LINUX RESTART (8 CPU) 05:15:01 PM tps rtps wtps bread/s bwrtn/s 05:16:01 PM 204.68 14.58 190.10 3222.93 13641.19 05:17:01 PM 408.60 4.82 403.78 1166.01 10502.23 05:18:01 PM 257.01 2.38 254.63 390.67 43250.45 Average: 290.10 7.26 282.84 1593.11 22465.12 05:15:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 PM 29138628 31119812 3517084 10.77 2688 2296680 1582492 4.70 194564 2850940 76500 05:17:01 PM 28018512 30390160 4637200 14.20 2688 2679400 2045468 6.07 273028 3860496 210876 05:18:01 PM 27848348 31136476 4807364 14.72 2688 3585300 1532228 4.55 644908 3620612 143152 Average: 28335163 30882149 4320549 13.23 2688 2853793 1720063 5.10 370833 3444016 143509 05:15:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 208.78 172.24 2043.49 47.53 0.00 0.00 0.00 0.00 05:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:17:01 PM eth0 429.22 352.60 5515.00 46.63 0.00 0.00 0.00 0.00 05:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 PM eth0 552.90 468.23 6290.79 1279.26 0.00 0.00 0.00 0.00 05:18:01 PM docker0 6.78 14.90 0.51 258.07 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 396.98 331.03 4616.57 457.83 0.00 0.00 0.00 0.00 Average: docker0 2.26 4.97 0.17 86.03 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) 05/12/2026 _x86_64_ (8 CPU) 17:14:07 LINUX RESTART (8 CPU) 05:15:01 PM CPU %user %nice %system %iowait %steal %idle 05:16:01 PM all 11.52 0.00 1.06 0.77 0.06 86.58 05:16:01 PM 0 12.14 0.00 0.79 0.13 0.05 86.89 05:16:01 PM 1 14.17 0.00 1.49 0.27 0.10 83.97 05:16:01 PM 2 10.13 0.00 1.47 1.96 0.05 86.40 05:16:01 PM 3 9.21 0.00 1.04 1.05 0.05 88.65 05:16:01 PM 4 23.41 0.00 1.22 0.92 0.07 74.39 05:16:01 PM 5 7.06 0.00 0.93 0.86 0.07 91.09 05:16:01 PM 6 7.56 0.00 0.88 0.42 0.03 91.10 05:16:01 PM 7 8.43 0.00 0.70 0.57 0.07 90.23 05:17:01 PM all 22.29 0.00 1.37 0.95 0.08 75.32 05:17:01 PM 0 20.68 0.00 1.04 0.30 0.08 77.90 05:17:01 PM 1 21.80 0.00 1.22 0.92 0.07 75.99 05:17:01 PM 2 18.68 0.00 1.39 0.54 0.08 79.31 05:17:01 PM 3 23.77 0.00 1.52 0.75 0.08 73.87 05:17:01 PM 4 27.25 0.00 1.20 0.23 0.08 71.23 05:17:01 PM 5 18.83 0.00 1.96 2.75 0.08 76.38 05:17:01 PM 6 25.45 0.00 0.95 0.30 0.07 73.23 05:17:01 PM 7 21.82 0.00 1.64 1.79 0.10 74.66 05:18:01 PM all 21.93 0.00 2.88 0.88 0.09 74.22 05:18:01 PM 0 26.26 0.00 2.23 0.86 0.08 70.57 05:18:01 PM 1 20.24 0.00 2.60 1.46 0.08 75.61 05:18:01 PM 2 16.85 0.00 3.59 1.48 0.10 77.98 05:18:01 PM 3 28.55 0.00 2.97 0.97 0.08 67.42 05:18:01 PM 4 16.42 0.00 3.41 0.67 0.08 79.42 05:18:01 PM 5 15.88 0.00 1.78 0.05 0.08 82.21 05:18:01 PM 6 29.42 0.00 2.55 0.25 0.10 67.67 05:18:01 PM 7 21.80 0.00 3.89 1.33 0.10 72.88 Average: all 18.58 0.00 1.77 0.87 0.08 78.71 Average: 0 19.68 0.00 1.35 0.43 0.07 78.47 Average: 1 18.73 0.00 1.77 0.88 0.08 78.53 Average: 2 15.23 0.00 2.15 1.32 0.08 81.22 Average: 3 20.50 0.00 1.84 0.93 0.07 76.66 Average: 4 22.37 0.00 1.94 0.61 0.08 75.00 Average: 5 13.93 0.00 1.56 1.22 0.08 83.21 Average: 6 20.79 0.00 1.46 0.32 0.07 77.36 Average: 7 17.34 0.00 2.07 1.23 0.09 79.27