---> uname -a: Linux prd-centos8-docker-8c-8g-3912.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 996 28437 19 2456 30445 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:45:44:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.122/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe45:44e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:32:8a:cc:93 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/22/2026 _x86_64_ (8 CPU) 05:18:10 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 205.55 2.48 203.07 324.16 14257.16 05:21:01 AM 135.44 2.47 132.97 939.69 5967.34 05:22:01 AM 75.50 2.88 72.62 138.38 6099.18 Average: 138.83 2.61 136.22 467.43 8774.71 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28487540 30281268 4168172 12.76 2688 2109364 2597728 7.71 163780 3530364 66728 05:21:01 AM 27491148 29502208 5164564 15.82 2688 2320440 3379488 10.03 227164 4437640 109416 05:22:01 AM 29056208 31117380 3599504 11.02 2688 2368360 1506892 4.47 413788 2687124 28792 Average: 28344965 30300285 4310747 13.20 2688 2266055 2494703 7.40 268244 3551709 68312 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 223.39 188.59 1892.33 55.02 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 212.63 181.62 2097.48 31.97 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 170.34 165.19 357.25 171.81 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 202.12 178.47 1449.08 86.26 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 03/22/2026 _x86_64_ (8 CPU) 05:18:10 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 18.25 0.00 1.48 0.71 0.06 79.50 05:20:01 AM 0 14.10 0.00 1.75 1.45 0.05 82.64 05:20:01 AM 1 21.03 0.00 2.12 0.48 0.08 76.28 05:20:01 AM 2 21.88 0.00 2.71 0.64 0.07 74.70 05:20:01 AM 3 10.99 0.00 0.94 1.06 0.08 86.93 05:20:01 AM 4 21.22 0.00 1.27 0.67 0.05 76.79 05:20:01 AM 5 21.77 0.00 1.00 0.20 0.05 76.98 05:20:01 AM 6 19.85 0.00 0.63 0.07 0.03 79.42 05:20:01 AM 7 15.09 0.00 1.40 1.15 0.07 82.29 05:21:01 AM all 44.97 0.00 1.57 0.39 0.09 52.98 05:21:01 AM 0 37.06 0.00 1.52 1.52 0.10 59.80 05:21:01 AM 1 48.07 0.00 1.67 0.12 0.08 50.06 05:21:01 AM 2 44.59 0.00 1.64 0.13 0.10 53.54 05:21:01 AM 3 45.44 0.00 1.79 0.54 0.08 52.15 05:21:01 AM 4 45.90 0.00 2.09 0.45 0.10 51.46 05:21:01 AM 5 56.38 0.00 1.50 0.20 0.08 41.83 05:21:01 AM 6 34.84 0.00 1.35 0.12 0.08 63.61 05:21:01 AM 7 47.47 0.00 1.00 0.07 0.08 51.38 05:22:01 AM all 21.29 0.00 1.49 0.24 0.06 76.93 05:22:01 AM 0 14.55 0.00 1.25 0.32 0.08 83.80 05:22:01 AM 1 22.57 0.00 0.97 0.05 0.08 76.33 05:22:01 AM 2 19.96 0.00 1.57 0.07 0.05 78.35 05:22:01 AM 3 16.72 0.00 1.29 0.23 0.07 81.69 05:22:01 AM 4 38.15 0.00 2.35 0.32 0.07 59.11 05:22:01 AM 5 27.82 0.00 1.72 0.05 0.07 70.34 05:22:01 AM 6 14.40 0.00 1.32 0.30 0.05 83.93 05:22:01 AM 7 16.10 0.00 1.44 0.55 0.05 81.87 Average: all 28.17 0.00 1.51 0.45 0.07 69.80 Average: 0 21.91 0.00 1.51 1.10 0.08 75.41 Average: 1 30.56 0.00 1.59 0.22 0.08 67.55 Average: 2 28.82 0.00 1.97 0.28 0.07 68.86 Average: 3 24.39 0.00 1.34 0.61 0.08 73.58 Average: 4 35.09 0.00 1.90 0.48 0.07 62.46 Average: 5 35.33 0.00 1.41 0.15 0.07 63.04 Average: 6 23.02 0.00 1.10 0.16 0.06 75.66 Average: 7 26.22 0.00 1.28 0.59 0.07 71.84