---> uname -a: Linux prd-centos8-docker-8c-8g-9048.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 1063 26463 19 4363 30360 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:17:a4:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.90/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe17:a478/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:71:5c:ed:57 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::42:71ff:fe5c:ed57/64 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) 05/09/2026 _x86_64_ (8 CPU) 02:28:19 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 242.67 16.64 226.02 3302.90 12942.99 02:31:01 AM 219.59 4.41 215.18 1497.65 43830.22 02:32:01 AM 103.68 14.63 89.05 5053.92 24660.08 Average: 188.65 11.90 176.75 3284.72 27145.35 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 28977688 30948420 3678024 11.26 2688 2286268 1703952 5.06 196092 3004660 160024 02:31:01 AM 26534952 29646548 6120760 18.74 2688 3407652 3820480 11.34 337264 5228488 108 02:32:01 AM 27074724 31059472 5580988 17.09 2688 4275420 1556960 4.62 750512 4270128 15168 Average: 27529121 30551480 5126591 15.70 2688 3323113 2360464 7.00 427956 4167759 58433 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 234.26 187.37 2661.01 50.19 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1713.84 591.17 11268.60 54.80 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM veth213dd66 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.81 11.81 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 124.03 108.88 1375.12 25.73 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.27 5.33 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.94 3.94 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 690.76 295.82 5101.92 43.57 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.79 0.20 0.21 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) 05/09/2026 _x86_64_ (8 CPU) 02:28:19 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 14.63 0.00 1.38 0.83 0.06 83.10 02:30:01 AM 0 8.64 0.00 0.93 0.58 0.05 89.79 02:30:01 AM 1 15.36 0.00 1.84 1.09 0.05 81.66 02:30:01 AM 2 27.66 0.00 2.79 0.97 0.07 68.51 02:30:01 AM 3 10.38 0.00 1.02 1.17 0.07 87.36 02:30:01 AM 4 12.19 0.00 1.15 1.09 0.07 85.50 02:30:01 AM 5 22.24 0.00 1.52 0.92 0.05 75.28 02:30:01 AM 6 9.99 0.00 0.99 0.23 0.05 88.74 02:30:01 AM 7 10.56 0.00 0.80 0.62 0.08 87.93 02:31:01 AM all 26.90 0.00 2.47 1.62 0.09 68.92 02:31:01 AM 0 31.03 0.00 3.36 1.97 0.10 63.55 02:31:01 AM 1 27.50 0.00 2.64 3.65 0.10 66.11 02:31:01 AM 2 24.33 0.00 2.51 2.53 0.08 70.55 02:31:01 AM 3 15.20 0.00 2.17 2.34 0.08 80.20 02:31:01 AM 4 43.12 0.00 2.04 0.42 0.08 54.34 02:31:01 AM 5 31.67 0.00 2.26 1.48 0.08 64.51 02:31:01 AM 6 15.45 0.00 2.68 0.15 0.07 81.66 02:31:01 AM 7 26.91 0.00 2.09 0.45 0.08 70.46 02:32:01 AM all 19.40 0.27 2.19 2.17 0.09 75.89 02:32:01 AM 0 22.86 0.03 2.38 0.22 0.08 74.43 02:32:01 AM 1 33.13 0.28 2.41 6.22 0.08 57.87 02:32:01 AM 2 16.91 0.00 2.43 1.83 0.10 78.73 02:32:01 AM 3 17.49 0.08 1.84 0.12 0.10 80.37 02:32:01 AM 4 14.59 1.67 2.04 5.29 0.07 76.34 02:32:01 AM 5 13.62 0.02 1.96 0.15 0.08 84.17 02:32:01 AM 6 18.20 0.02 2.09 0.92 0.08 78.69 02:32:01 AM 7 18.39 0.03 2.35 2.60 0.08 76.55 Average: all 20.30 0.09 2.01 1.54 0.08 75.99 Average: 0 20.82 0.01 2.22 0.92 0.08 75.95 Average: 1 25.33 0.09 2.30 3.65 0.08 68.55 Average: 2 22.97 0.00 2.58 1.77 0.08 72.60 Average: 3 14.36 0.03 1.68 1.21 0.08 82.65 Average: 4 23.26 0.56 1.74 2.27 0.07 72.10 Average: 5 22.49 0.01 1.91 0.85 0.07 74.67 Average: 6 14.54 0.01 1.92 0.44 0.07 83.04 Average: 7 18.60 0.01 1.74 1.22 0.08 78.33