---> uname -a: Linux prd-centos8-docker-8c-8g-4547.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: 2800.000 BogoMIPS: 5600.00 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 1068 27150 19 3671 30362 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:16:88:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.222/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe16:88e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fb:31:3f:4a 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:fbff:fe31:3f4a/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) 03/24/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 272.90 14.46 258.44 3119.75 13551.21 05:14:01 PM 497.37 7.16 490.20 1273.98 16851.02 05:15:01 PM 173.96 3.52 170.44 488.50 42181.19 Average: 314.75 8.38 306.36 1627.33 24195.06 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28795436 30826248 3860276 11.82 2688 2344784 1807976 5.36 200096 3183776 206932 05:14:01 PM 27538664 30085272 5117048 15.67 2688 2850732 2250228 6.68 420476 4177680 294644 05:15:01 PM 27838764 31127444 4816948 14.75 2688 3584796 1507440 4.47 819584 3453888 90216 Average: 28057621 30679655 4598091 14.08 2688 2926771 1855215 5.50 480052 3605115 197264 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 305.35 260.49 3568.75 48.77 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 610.95 506.83 7414.95 64.27 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 362.05 340.55 3490.38 2376.09 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.53 14.46 0.50 257.49 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 426.12 369.30 4824.76 829.75 0.00 0.00 0.00 0.00 Average: docker0 2.18 4.82 0.17 85.83 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) 03/24/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.22 0.00 1.51 0.84 0.14 82.29 05:13:01 PM 0 9.60 0.00 1.47 0.50 0.15 88.28 05:13:01 PM 1 16.43 0.00 1.44 1.10 0.15 80.88 05:13:01 PM 2 23.83 0.00 2.34 0.84 0.17 72.83 05:13:01 PM 3 6.53 0.00 0.90 0.60 0.18 91.78 05:13:01 PM 4 15.77 0.00 1.14 1.07 0.15 81.87 05:13:01 PM 5 10.38 0.00 1.07 0.77 0.10 87.68 05:13:01 PM 6 23.64 0.00 2.20 0.95 0.12 73.09 05:13:01 PM 7 15.61 0.00 1.54 0.90 0.08 81.86 05:14:01 PM all 30.49 0.00 1.87 1.14 0.09 66.41 05:14:01 PM 0 29.63 0.00 1.09 0.13 0.08 69.07 05:14:01 PM 1 41.44 0.00 2.06 0.90 0.10 55.50 05:14:01 PM 2 29.65 0.00 2.21 1.34 0.08 66.72 05:14:01 PM 3 22.15 0.00 1.31 0.95 0.10 75.49 05:14:01 PM 4 29.48 0.00 3.09 3.34 0.08 64.00 05:14:01 PM 5 26.94 0.00 1.63 0.65 0.08 70.69 05:14:01 PM 6 29.92 0.00 1.32 0.47 0.08 68.21 05:14:01 PM 7 34.71 0.00 2.25 1.33 0.08 61.63 05:15:01 PM all 15.41 0.00 2.70 0.72 0.07 81.11 05:15:01 PM 0 12.31 0.00 3.05 0.37 0.08 84.19 05:15:01 PM 1 18.33 0.00 2.83 2.33 0.08 76.42 05:15:01 PM 2 20.26 0.00 2.87 0.50 0.07 76.30 05:15:01 PM 3 20.44 0.00 2.92 0.42 0.07 76.15 05:15:01 PM 4 15.78 0.00 2.48 0.47 0.05 81.22 05:15:01 PM 5 9.72 0.00 2.40 0.94 0.08 86.85 05:15:01 PM 6 18.55 0.00 2.70 0.45 0.05 78.25 05:15:01 PM 7 7.84 0.00 2.33 0.27 0.07 89.49 Average: all 20.37 0.00 2.03 0.90 0.10 76.61 Average: 0 17.18 0.00 1.87 0.33 0.11 80.52 Average: 1 25.40 0.00 2.11 1.44 0.11 70.94 Average: 2 24.58 0.00 2.47 0.89 0.11 71.95 Average: 3 16.36 0.00 1.71 0.66 0.12 81.16 Average: 4 20.34 0.00 2.23 1.63 0.09 75.71 Average: 5 15.68 0.00 1.70 0.79 0.09 81.74 Average: 6 24.04 0.00 2.07 0.62 0.08 73.18 Average: 7 19.39 0.00 2.04 0.83 0.08 77.67