---> uname -a: Linux prd-centos8-docker-8c-8g-9483.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 26473 19 4361 30368 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:d6:31:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.142/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fed6:3103/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:51:5e:89 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::42:2aff:fe51:5e89/64 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) 05/11/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 230.24 16.58 213.66 3198.67 13396.02 02:31:01 AM 174.14 4.05 170.09 1125.09 15993.02 02:32:01 AM 141.09 17.54 123.54 5674.64 28808.70 Average: 181.82 12.72 169.10 3332.81 19399.58 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29010756 30968236 3644956 11.16 2688 2274052 1632124 4.84 193864 2983168 139780 02:31:01 AM 26558484 29744600 6097228 18.67 2688 3487568 2828856 8.39 311028 5258760 893088 02:32:01 AM 27105940 31092552 5549772 16.99 2688 4276632 1514172 4.49 750240 4235440 732076 Average: 27558393 30601796 5097319 15.61 2688 3346084 1991717 5.91 418377 4159123 588315 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 235.54 177.09 2592.69 46.25 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 1856.88 635.50 11323.42 59.70 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 11.85 11.85 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 136.94 125.89 1379.24 443.32 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.23 5.40 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 3.95 3.95 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 743.15 312.84 5098.59 183.10 0.00 0.00 0.00 0.00 Average: docker0 1.41 1.80 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) 05/11/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.79 0.00 1.49 0.67 0.07 83.99 02:30:01 AM 0 19.26 0.00 1.27 0.30 0.08 79.09 02:30:01 AM 1 8.42 0.00 0.99 0.65 0.08 89.86 02:30:01 AM 2 22.40 0.00 2.06 0.90 0.07 74.58 02:30:01 AM 3 9.41 0.00 1.97 1.14 0.07 87.41 02:30:01 AM 4 18.71 0.00 2.04 0.42 0.07 78.77 02:30:01 AM 5 16.06 0.00 1.59 0.90 0.07 81.38 02:30:01 AM 6 9.80 0.00 0.97 0.62 0.05 88.57 02:30:01 AM 7 6.22 0.00 1.00 0.42 0.05 92.31 02:31:01 AM all 28.23 0.00 2.13 0.49 0.08 69.08 02:31:01 AM 0 22.32 0.00 1.88 0.64 0.07 75.10 02:31:01 AM 1 24.61 0.00 3.11 1.66 0.07 70.55 02:31:01 AM 2 18.73 0.00 2.78 0.15 0.08 78.26 02:31:01 AM 3 37.48 0.00 1.95 0.47 0.10 60.00 02:31:01 AM 4 29.83 0.00 2.15 0.29 0.07 67.66 02:31:01 AM 5 21.64 0.00 2.35 0.39 0.08 75.54 02:31:01 AM 6 26.64 0.00 1.63 0.24 0.07 71.43 02:31:01 AM 7 44.51 0.00 1.21 0.07 0.08 54.13 02:32:01 AM all 21.45 0.27 2.89 0.74 0.10 74.55 02:32:01 AM 0 19.33 0.02 2.45 0.22 0.13 77.86 02:32:01 AM 1 20.21 0.07 2.97 1.48 0.12 75.15 02:32:01 AM 2 23.05 0.34 2.90 1.17 0.12 72.42 02:32:01 AM 3 24.85 0.03 3.44 0.37 0.07 71.24 02:32:01 AM 4 20.27 0.07 2.86 1.14 0.12 75.55 02:32:01 AM 5 21.10 0.00 2.77 0.40 0.12 75.62 02:32:01 AM 6 19.32 1.64 3.12 0.86 0.08 74.97 02:32:01 AM 7 23.46 0.00 2.60 0.29 0.07 73.59 Average: all 21.14 0.09 2.17 0.63 0.08 75.89 Average: 0 20.30 0.01 1.87 0.39 0.09 77.35 Average: 1 17.73 0.02 2.35 1.26 0.09 78.54 Average: 2 21.40 0.11 2.58 0.74 0.09 75.08 Average: 3 23.90 0.01 2.45 0.66 0.08 72.90 Average: 4 22.92 0.02 2.35 0.61 0.08 74.01 Average: 5 19.59 0.00 2.23 0.56 0.09 77.52 Average: 6 18.57 0.55 1.91 0.57 0.07 78.34 Average: 7 24.71 0.00 1.60 0.26 0.07 73.36