---> uname -a: Linux prd-centos8-docker-8c-8g-2568.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 990 28384 19 2515 30450 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:ca:35:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.124/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:feca:3564/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c8:65:ec:82 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) 04/01/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 134.58 2.13 132.44 313.81 9717.51 05:20:01 AM 214.21 3.55 210.66 1001.67 11276.01 05:21:01 AM 78.59 2.67 75.92 99.43 6288.94 Average: 142.46 2.78 139.68 471.65 9094.12 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29361548 31158068 3294164 10.09 2688 2115280 1997336 5.93 155764 2682616 170944 05:20:01 AM 27054876 29070176 5600836 17.15 2688 2325908 3570440 10.59 221560 4884896 83948 05:21:01 AM 29079128 31201604 3576584 10.95 2688 2429220 1406684 4.17 414484 2662788 55572 Average: 28498517 30476616 4157195 12.73 2688 2290136 2324820 6.90 263936 3410100 103488 05:18:01 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 176.42 138.79 1601.17 45.52 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 304.20 242.10 2403.10 51.62 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 205.33 189.49 810.29 173.53 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 228.65 190.13 1604.85 90.23 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) 04/01/2026 _x86_64_ (8 CPU) 05:17:26 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 8.64 0.00 0.96 0.52 0.06 89.82 05:19:01 AM 0 3.84 0.00 0.42 0.12 0.07 95.56 05:19:01 AM 1 4.33 0.00 0.82 0.90 0.05 93.90 05:19:01 AM 2 9.33 0.00 1.05 0.79 0.07 88.76 05:19:01 AM 3 7.33 0.00 0.37 0.25 0.05 92.00 05:19:01 AM 4 9.67 0.00 1.32 0.50 0.05 88.46 05:19:01 AM 5 18.48 0.00 1.73 0.93 0.05 78.80 05:19:01 AM 6 13.65 0.00 1.48 0.30 0.05 84.51 05:19:01 AM 7 2.44 0.00 0.49 0.37 0.08 96.62 05:20:01 AM all 40.00 0.00 1.60 0.80 0.08 57.52 05:20:01 AM 0 37.84 0.00 1.67 0.92 0.08 59.49 05:20:01 AM 1 42.73 0.00 1.49 0.38 0.08 55.31 05:20:01 AM 2 39.22 0.00 1.37 0.20 0.08 59.12 05:20:01 AM 3 31.99 0.00 1.30 0.84 0.07 65.80 05:20:01 AM 4 40.55 0.00 1.22 1.09 0.08 57.06 05:20:01 AM 5 50.40 0.00 0.97 0.07 0.07 48.50 05:20:01 AM 6 37.84 0.00 2.43 0.90 0.08 58.74 05:20:01 AM 7 39.45 0.00 2.32 2.04 0.08 56.11 05:21:01 AM all 30.43 0.00 1.47 0.18 0.08 67.84 05:21:01 AM 0 29.65 0.00 1.23 0.08 0.08 68.95 05:21:01 AM 1 33.12 0.00 1.85 0.25 0.08 64.69 05:21:01 AM 2 28.99 0.00 1.94 0.30 0.08 68.69 05:21:01 AM 3 28.24 0.00 1.54 0.12 0.07 70.03 05:21:01 AM 4 24.56 0.00 1.09 0.47 0.08 73.80 05:21:01 AM 5 35.73 0.00 1.67 0.15 0.08 62.36 05:21:01 AM 6 32.85 0.00 1.26 0.07 0.07 65.76 05:21:01 AM 7 30.32 0.00 1.19 0.03 0.07 68.40 Average: all 26.35 0.00 1.34 0.50 0.07 71.73 Average: 0 23.77 0.00 1.11 0.37 0.08 74.68 Average: 1 26.73 0.00 1.39 0.51 0.07 71.30 Average: 2 25.85 0.00 1.45 0.43 0.08 72.19 Average: 3 22.51 0.00 1.07 0.40 0.06 75.95 Average: 4 24.92 0.00 1.21 0.68 0.07 73.11 Average: 5 34.87 0.00 1.46 0.38 0.07 63.23 Average: 6 28.09 0.00 1.72 0.42 0.07 69.70 Average: 7 24.08 0.00 1.33 0.81 0.08 73.70