---> uname -a: Linux prd-centos8-docker-8c-8g-2975.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1001 28428 19 2459 30439 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:28:1f:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.125/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86164sec preferred_lft 86164sec inet6 fe80::f816:3eff:fe28:1f5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ab:83:00:cf 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) 03/19/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 169.64 2.88 166.76 347.27 10568.18 05:20:01 AM 178.36 2.50 175.86 940.35 8644.39 05:21:01 AM 80.29 3.02 77.27 170.90 6374.47 Average: 142.61 2.80 139.82 486.97 8517.74 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29265784 31041172 3389928 10.38 2688 2092612 1997844 5.93 159992 2769136 124412 05:20:01 AM 27424852 29434176 5230860 16.02 2688 2319048 3393604 10.07 224304 4504360 115156 05:21:01 AM 29070936 31129812 3584776 10.98 2688 2365812 1459680 4.33 411440 2674460 23124 Average: 28587191 30535053 4068521 12.46 2688 2259157 2283709 6.78 265245 3315985 87564 05:18:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 174.23 151.68 1661.05 50.11 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 259.43 226.41 2370.26 45.60 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 183.79 177.24 355.17 175.42 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 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 205.99 185.29 1461.11 90.59 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) 03/19/2026 _x86_64_ (8 CPU) 05:17:21 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 13.97 0.00 1.21 0.41 0.06 84.35 05:19:01 AM 0 28.09 0.00 2.12 0.25 0.07 69.47 05:19:01 AM 1 5.96 0.00 0.73 0.42 0.05 92.84 05:19:01 AM 2 4.46 0.00 0.82 0.36 0.09 94.28 05:19:01 AM 3 14.06 0.00 2.12 0.85 0.08 82.88 05:19:01 AM 4 14.68 0.00 1.26 0.51 0.05 83.50 05:19:01 AM 5 17.10 0.00 0.65 0.25 0.05 81.95 05:19:01 AM 6 16.32 0.00 1.22 0.51 0.03 81.92 05:19:01 AM 7 11.03 0.00 0.78 0.12 0.05 88.02 05:20:01 AM all 42.47 0.00 1.42 0.45 0.09 55.58 05:20:01 AM 0 44.03 0.00 1.39 0.74 0.10 53.74 05:20:01 AM 1 34.01 0.00 1.52 1.29 0.10 63.08 05:20:01 AM 2 45.69 0.00 1.64 0.38 0.08 52.21 05:20:01 AM 3 48.46 0.00 0.92 0.20 0.07 50.35 05:20:01 AM 4 41.94 0.00 1.45 0.08 0.10 56.42 05:20:01 AM 5 46.00 0.00 1.27 0.15 0.10 52.48 05:20:01 AM 6 40.39 0.00 1.81 0.35 0.10 57.35 05:20:01 AM 7 39.19 0.00 1.34 0.38 0.08 59.00 05:21:01 AM all 23.73 0.00 1.40 0.22 0.07 74.58 05:21:01 AM 0 16.00 0.00 1.34 0.30 0.10 82.26 05:21:01 AM 1 26.54 0.00 1.82 0.15 0.07 71.42 05:21:01 AM 2 32.41 0.00 1.59 0.35 0.07 65.58 05:21:01 AM 3 25.85 0.00 1.39 0.32 0.08 72.36 05:21:01 AM 4 20.46 0.00 1.00 0.05 0.07 78.42 05:21:01 AM 5 22.89 0.00 1.39 0.25 0.07 75.41 05:21:01 AM 6 24.43 0.00 1.42 0.32 0.05 73.79 05:21:01 AM 7 21.22 0.00 1.29 0.02 0.07 77.41 Average: all 26.79 0.00 1.34 0.36 0.07 71.44 Average: 0 29.37 0.00 1.61 0.43 0.09 68.49 Average: 1 22.26 0.00 1.36 0.62 0.07 75.69 Average: 2 27.67 0.00 1.35 0.36 0.08 70.54 Average: 3 29.54 0.00 1.47 0.45 0.08 68.45 Average: 4 25.75 0.00 1.24 0.21 0.07 72.72 Average: 5 28.73 0.00 1.10 0.22 0.07 69.88 Average: 6 27.10 0.00 1.48 0.39 0.06 70.96 Average: 7 23.87 0.00 1.14 0.17 0.07 74.75