---> uname -a: Linux prd-centos8-docker-8c-8g-5755.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 1055 27216 19 3618 30374 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:38:96:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.72/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe38:9619/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:fa:58:60 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::42:75ff:fefa:5860/64 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) 02/06/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 272.98 14.33 258.65 3093.24 14226.11 05:14:01 PM 466.62 7.18 459.44 1273.25 14519.91 05:15:01 PM 184.26 1.70 182.56 484.64 39794.00 Average: 307.94 7.74 300.21 1617.06 22847.14 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28877156 30852628 3778556 11.57 2688 2288848 1813656 5.38 195728 3102304 144488 05:14:01 PM 27200512 29652936 5455200 16.71 2688 2757096 2764956 8.20 400580 4534800 257564 05:15:01 PM 27906212 31137968 4749500 14.54 2688 3527580 1492300 4.43 811420 3394508 165024 Average: 27994627 30547844 4661085 14.27 2688 2857841 2023637 6.00 469243 3677204 189025 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 287.37 253.05 3184.04 57.69 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 498.68 429.58 6828.70 55.21 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 395.23 377.94 4061.07 2377.21 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.35 15.06 0.54 255.13 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 393.76 353.52 4691.15 830.08 0.00 0.00 0.00 0.00 Average: docker0 2.45 5.02 0.18 85.05 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) 02/06/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.33 0.00 1.37 0.90 0.07 82.32 05:13:01 PM 0 6.46 0.00 1.04 0.75 0.08 91.67 05:13:01 PM 1 8.84 0.00 0.80 0.48 0.07 89.80 05:13:01 PM 2 12.22 0.00 1.09 0.95 0.08 85.66 05:13:01 PM 3 14.36 0.00 1.45 1.09 0.07 83.03 05:13:01 PM 4 22.06 0.00 2.07 1.30 0.07 74.49 05:13:01 PM 5 28.25 0.00 1.40 0.47 0.10 69.78 05:13:01 PM 6 12.69 0.00 2.07 1.91 0.05 83.27 05:13:01 PM 7 17.78 0.00 1.07 0.27 0.05 80.84 05:14:01 PM all 26.79 0.00 1.70 1.17 0.08 70.27 05:14:01 PM 0 27.42 0.00 1.11 0.32 0.08 71.07 05:14:01 PM 1 21.90 0.00 1.73 0.77 0.07 75.53 05:14:01 PM 2 14.49 0.00 1.56 1.11 0.08 82.76 05:14:01 PM 3 30.02 0.00 2.23 3.36 0.08 64.31 05:14:01 PM 4 23.84 0.00 1.49 0.67 0.08 73.92 05:14:01 PM 5 23.46 0.00 1.77 0.59 0.07 74.11 05:14:01 PM 6 33.81 0.00 2.11 1.07 0.07 62.94 05:14:01 PM 7 39.31 0.00 1.60 1.45 0.10 57.53 05:15:01 PM all 17.35 0.00 2.74 0.82 0.07 79.02 05:15:01 PM 0 28.71 0.00 3.19 0.67 0.08 67.35 05:15:01 PM 1 11.61 0.00 2.68 1.22 0.08 84.40 05:15:01 PM 2 8.28 0.00 3.17 0.71 0.07 87.78 05:15:01 PM 3 24.96 0.00 2.40 0.54 0.07 72.04 05:15:01 PM 4 24.51 0.00 3.09 1.69 0.07 70.64 05:15:01 PM 5 17.42 0.00 2.15 0.87 0.07 79.49 05:15:01 PM 6 9.81 0.00 2.60 0.17 0.07 87.36 05:15:01 PM 7 13.49 0.00 2.62 0.70 0.07 83.12 Average: all 19.82 0.00 1.94 0.96 0.07 77.21 Average: 0 20.84 0.00 1.77 0.58 0.08 76.72 Average: 1 14.11 0.00 1.74 0.83 0.07 83.25 Average: 2 11.66 0.00 1.94 0.92 0.08 85.40 Average: 3 23.10 0.00 2.03 1.66 0.07 73.14 Average: 4 23.47 0.00 2.22 1.22 0.07 73.02 Average: 5 23.05 0.00 1.77 0.64 0.08 74.46 Average: 6 18.78 0.00 2.26 1.05 0.06 77.85 Average: 7 23.54 0.00 1.76 0.81 0.07 73.82