---> uname -a: Linux prd-centos8-docker-8c-8g-6913.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 26471 19 4362 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:b0:79:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.176/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:feb0:7923/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:d8:07:0c 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::42:1dff:fed8:70c/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) 04/29/2026 _x86_64_ (8 CPU) 02:29:26 LINUX RESTART (8 CPU) 02:30:01 AM tps rtps wtps bread/s bwrtn/s 02:31:01 AM 201.83 14.70 187.14 3223.73 10635.34 02:32:01 AM 205.31 6.00 199.32 1192.54 18864.95 02:33:01 AM 142.80 15.04 127.76 5413.00 28948.23 Average: 183.32 11.91 171.40 3276.42 19482.84 02:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:31:01 AM 29089724 31027620 3565988 10.92 2688 2255160 1795748 5.33 189000 2916996 198468 02:32:01 AM 27114880 29815272 5540832 16.97 2688 3009352 2649136 7.86 309952 4728156 408024 02:33:01 AM 27111644 31089780 5544068 16.98 2688 4268780 1516056 4.50 749264 4236192 716268 Average: 27772083 30644224 4883629 14.95 2688 3177764 1986980 5.90 416072 3960448 440920 02:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 194.32 149.88 2254.28 43.90 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 02:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1265.56 492.27 10814.11 54.39 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.93 11.93 1.27 1.27 0.00 0.00 0.00 0.00 02:33:01 AM eth0 316.28 151.83 2241.16 32.26 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.27 5.43 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 592.05 264.66 5103.19 43.52 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.81 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) 04/29/2026 _x86_64_ (8 CPU) 02:29:26 LINUX RESTART (8 CPU) 02:30:01 AM CPU %user %nice %system %iowait %steal %idle 02:31:01 AM all 13.44 0.00 1.45 0.57 0.06 84.49 02:31:01 AM 0 6.34 0.00 1.25 0.55 0.07 91.79 02:31:01 AM 1 8.35 0.00 0.97 0.50 0.05 90.13 02:31:01 AM 2 16.98 0.00 1.56 0.44 0.07 80.96 02:31:01 AM 3 8.26 0.00 0.85 0.33 0.07 90.49 02:31:01 AM 4 30.56 0.00 2.87 0.73 0.07 65.77 02:31:01 AM 5 13.21 0.00 1.84 0.57 0.05 84.33 02:31:01 AM 6 9.73 0.00 1.30 1.07 0.05 87.84 02:31:01 AM 7 14.06 0.00 0.94 0.35 0.05 84.60 02:32:01 AM all 28.97 0.00 1.58 0.60 0.09 68.76 02:32:01 AM 0 38.24 0.00 1.32 0.35 0.08 60.00 02:32:01 AM 1 24.09 0.00 1.64 0.94 0.10 73.23 02:32:01 AM 2 22.51 0.00 1.78 1.14 0.08 74.49 02:32:01 AM 3 29.45 0.00 1.54 0.45 0.07 68.49 02:32:01 AM 4 32.14 0.00 1.84 0.55 0.10 65.36 02:32:01 AM 5 40.61 0.00 2.21 0.91 0.10 56.17 02:32:01 AM 6 34.94 0.00 1.22 0.28 0.08 63.47 02:32:01 AM 7 9.80 0.00 1.05 0.18 0.08 88.88 02:33:01 AM all 22.08 0.28 3.45 0.61 0.09 73.50 02:33:01 AM 0 19.70 0.00 2.94 0.66 0.08 76.62 02:33:01 AM 1 29.14 0.00 3.87 0.99 0.08 65.92 02:33:01 AM 2 19.88 0.03 3.29 0.32 0.08 76.39 02:33:01 AM 3 21.94 0.00 3.57 1.31 0.12 73.05 02:33:01 AM 4 21.15 0.00 2.71 0.18 0.10 75.85 02:33:01 AM 5 20.64 0.05 3.83 0.47 0.10 74.90 02:33:01 AM 6 26.22 0.05 3.65 0.35 0.07 69.66 02:33:01 AM 7 17.93 2.07 3.75 0.57 0.08 75.60 Average: all 21.49 0.09 2.16 0.59 0.08 75.59 Average: 0 21.40 0.00 1.84 0.52 0.08 76.17 Average: 1 20.51 0.00 2.16 0.81 0.08 76.44 Average: 2 19.79 0.01 2.21 0.63 0.08 77.28 Average: 3 19.86 0.00 1.98 0.70 0.08 77.37 Average: 4 27.96 0.00 2.47 0.49 0.09 68.98 Average: 5 24.81 0.02 2.63 0.65 0.08 71.81 Average: 6 23.62 0.02 2.06 0.57 0.07 73.67 Average: 7 13.93 0.69 1.91 0.37 0.07 83.04