---> uname -a: Linux prd-centos8-docker-8c-8g-803.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 1056 26478 19 4354 30367 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:9f:ef:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe9f:efe5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:76:cb:16 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::42:4eff:fe76:cb16/64 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) 04/13/2026 _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 230.07 16.63 213.45 3199.73 12977.67 02:31:01 AM 228.28 4.07 224.21 1114.61 38717.71 02:32:02 AM 97.67 17.51 80.16 5567.08 9945.50 Average: 185.34 12.74 172.60 3293.93 20545.95 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29001532 30960664 3654180 11.19 2688 2275268 1632984 4.85 193388 2985860 144224 02:31:01 AM 26676668 29767568 5979044 18.31 2688 3388016 2645476 7.85 321836 5104404 136852 02:32:02 AM 27155332 31136084 5500380 16.84 2688 4270692 1440404 4.27 881676 4057616 582012 Average: 27611177 30621439 5044535 15.45 2688 3311325 1906288 5.66 465633 4049293 287696 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 228.04 181.56 2585.17 47.99 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 1551.59 572.09 11289.31 56.86 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:02 AM lo 11.90 11.90 1.26 1.26 0.00 0.00 0.00 0.00 02:32:02 AM eth0 148.83 151.23 1387.87 1254.95 0.00 0.00 0.00 0.00 02:32:02 AM docker0 4.25 5.38 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.97 3.97 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 642.77 301.61 5087.10 453.29 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) 04/13/2026 _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 14.31 0.00 1.53 0.71 0.07 83.38 02:30:01 AM 0 9.74 0.00 0.80 0.25 0.07 89.14 02:30:01 AM 1 12.59 0.00 1.74 1.59 0.07 84.01 02:30:01 AM 2 22.48 0.00 3.06 0.99 0.10 73.37 02:30:01 AM 3 20.49 0.00 2.11 0.72 0.07 76.62 02:30:01 AM 4 4.98 0.00 1.00 0.33 0.05 93.63 02:30:01 AM 5 23.54 0.00 1.47 0.68 0.10 74.20 02:30:01 AM 6 10.39 0.00 1.09 0.70 0.05 87.77 02:30:01 AM 7 10.22 0.00 0.99 0.42 0.08 88.29 02:31:01 AM all 28.44 0.00 2.35 0.87 0.10 68.24 02:31:01 AM 0 18.90 0.00 2.35 0.74 0.10 77.91 02:31:01 AM 1 16.86 0.00 2.32 1.70 0.08 79.03 02:31:01 AM 2 28.13 0.00 2.25 1.01 0.08 68.52 02:31:01 AM 3 38.97 0.00 2.53 0.74 0.10 57.66 02:31:01 AM 4 18.48 0.00 2.17 0.37 0.10 78.88 02:31:01 AM 5 35.19 0.00 2.30 0.94 0.10 61.47 02:31:01 AM 6 39.38 0.00 2.24 0.20 0.12 58.06 02:31:01 AM 7 31.65 0.00 2.61 1.30 0.10 64.34 02:32:02 AM all 21.62 0.27 2.41 0.33 0.08 75.28 02:32:02 AM 0 19.84 0.00 2.55 0.30 0.08 77.23 02:32:02 AM 1 18.96 0.00 2.23 0.75 0.08 77.97 02:32:02 AM 2 21.26 0.00 2.83 0.47 0.08 75.36 02:32:02 AM 3 19.75 1.75 2.01 0.23 0.08 76.17 02:32:02 AM 4 15.93 0.35 2.45 0.25 0.07 80.95 02:32:02 AM 5 30.23 0.07 2.36 0.10 0.08 67.16 02:32:02 AM 6 20.76 0.00 2.56 0.28 0.08 76.31 02:32:02 AM 7 26.18 0.03 2.33 0.27 0.08 71.11 Average: all 21.44 0.09 2.10 0.64 0.08 75.65 Average: 0 16.15 0.00 1.90 0.43 0.08 81.44 Average: 1 16.13 0.00 2.10 1.35 0.08 80.34 Average: 2 23.95 0.00 2.72 0.82 0.09 72.42 Average: 3 26.38 0.58 2.22 0.56 0.08 70.17 Average: 4 13.12 0.12 1.87 0.32 0.07 84.50 Average: 5 29.64 0.02 2.04 0.57 0.09 67.63 Average: 6 23.48 0.00 1.96 0.40 0.08 74.08 Average: 7 22.67 0.01 1.97 0.66 0.09 74.59