---> uname -a: Linux prd-centos8-docker-8c-8g-4852.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 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1059 27326 19 3504 30370 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:27:df:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.165/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe27:dfe9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:84:37:58:5b 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::42:84ff:fe37:585b/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) 04/22/2026 _x86_64_ (8 CPU) 11:29:52 LINUX RESTART (8 CPU) 11:30:01 AM tps rtps wtps bread/s bwrtn/s 11:31:01 AM 223.26 32.83 190.43 7482.94 41146.55 11:32:01 AM 270.74 17.18 253.57 3832.32 14588.92 11:33:01 AM 170.73 15.84 154.89 1476.99 39871.23 11:34:01 AM 49.45 0.42 49.03 56.11 2163.00 Average: 178.61 16.59 162.02 3218.24 24467.38 11:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:31:01 AM 29629820 31197884 3025892 9.27 2688 1900472 1544340 4.58 151772 2480856 124924 11:32:01 AM 28311808 30526064 4343904 13.30 2688 2528172 1983832 5.89 181312 3683800 302904 11:33:01 AM 25911548 29017136 6744164 20.65 2688 3401280 5301532 15.73 448612 5737876 1716 11:34:01 AM 27907744 31029744 4747968 14.54 2688 3416836 1604476 4.76 613744 3589892 15916 Average: 27940230 30442707 4715482 14.44 2688 2811690 2608545 7.74 348860 3873106 111365 11:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 AM eth0 386.15 236.14 1584.94 71.41 0.00 0.00 0.00 0.00 11:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM eth0 472.49 356.88 5820.44 50.02 0.00 0.00 0.00 0.00 11:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM eth0 1355.51 353.54 7180.32 31.17 0.00 0.00 0.00 0.00 11:33:01 AM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 11:33:01 AM vethd1cf079 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 11:34:01 AM lo 13.03 13.03 1.36 1.36 0.00 0.00 0.00 0.00 11:34:01 AM eth0 101.85 64.96 38.29 25.16 0.00 0.00 0.00 0.00 11:34:01 AM docker0 4.85 5.78 0.65 0.68 0.00 0.00 0.00 0.00 Average: lo 3.25 3.25 0.34 0.34 0.00 0.00 0.00 0.00 Average: eth0 578.75 252.86 3653.13 44.48 0.00 0.00 0.00 0.00 Average: docker0 1.21 1.47 0.16 0.17 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) 04/22/2026 _x86_64_ (8 CPU) 11:29:52 LINUX RESTART (8 CPU) 11:30:01 AM CPU %user %nice %system %iowait %steal %idle 11:31:01 AM all 12.07 0.00 2.33 1.29 0.07 84.24 11:31:01 AM 0 5.64 0.00 2.23 0.73 0.07 91.33 11:31:01 AM 1 8.10 0.00 2.33 2.18 0.07 87.33 11:31:01 AM 2 10.21 0.00 1.63 0.20 0.07 87.90 11:31:01 AM 3 11.73 0.00 2.42 0.33 0.08 85.44 11:31:01 AM 4 14.85 0.00 1.48 1.10 0.07 82.51 11:31:01 AM 5 9.29 0.00 3.88 2.33 0.07 84.43 11:31:01 AM 6 21.88 0.00 2.53 2.38 0.10 73.11 11:31:01 AM 7 14.87 0.00 2.18 1.05 0.05 81.85 11:32:01 AM all 18.24 0.00 1.57 0.95 0.09 79.15 11:32:01 AM 0 14.45 0.00 1.04 0.68 0.10 83.73 11:32:01 AM 1 14.94 0.00 1.92 0.79 0.07 82.28 11:32:01 AM 2 17.62 0.00 1.34 0.65 0.08 80.31 11:32:01 AM 3 9.72 0.00 1.26 0.87 0.07 88.08 11:32:01 AM 4 29.91 0.00 2.09 0.47 0.10 67.43 11:32:01 AM 5 26.62 0.00 1.94 1.64 0.10 69.71 11:32:01 AM 6 23.20 0.00 1.29 0.67 0.08 74.77 11:32:01 AM 7 9.38 0.00 1.72 1.86 0.08 86.96 11:33:01 AM all 31.86 0.28 2.70 0.88 0.12 64.14 11:33:01 AM 0 35.96 0.00 3.36 0.37 0.12 60.20 11:33:01 AM 1 33.35 0.34 2.67 2.07 0.12 61.46 11:33:01 AM 2 34.05 0.00 2.64 1.78 0.12 61.41 11:33:01 AM 3 29.01 0.02 2.94 0.67 0.13 67.23 11:33:01 AM 4 26.70 0.00 2.58 0.67 0.13 69.92 11:33:01 AM 5 30.72 0.30 2.54 0.24 0.12 66.09 11:33:01 AM 6 39.10 1.58 1.91 0.96 0.12 56.33 11:33:01 AM 7 26.02 0.03 3.00 0.29 0.12 70.55 11:34:01 AM all 15.58 0.07 1.69 0.08 0.07 82.51 11:34:01 AM 0 10.79 0.05 1.42 0.05 0.07 87.62 11:34:01 AM 1 11.37 0.00 1.82 0.10 0.07 86.64 11:34:01 AM 2 30.60 0.03 2.52 0.13 0.10 66.61 11:34:01 AM 3 17.67 0.05 1.67 0.08 0.07 80.45 11:34:01 AM 4 15.88 0.03 1.64 0.05 0.07 82.34 11:34:01 AM 5 14.78 0.00 1.79 0.07 0.07 83.30 11:34:01 AM 6 17.62 0.38 1.40 0.03 0.07 80.49 11:34:01 AM 7 5.93 0.03 1.24 0.12 0.07 92.62 Average: all 19.41 0.09 2.07 0.80 0.09 77.54 Average: 0 16.66 0.01 2.01 0.46 0.09 80.77 Average: 1 16.91 0.08 2.19 1.28 0.08 79.46 Average: 2 23.08 0.01 2.03 0.69 0.09 74.09 Average: 3 17.01 0.02 2.07 0.49 0.09 80.32 Average: 4 21.82 0.01 1.94 0.57 0.09 75.57 Average: 5 20.32 0.08 2.54 1.07 0.09 75.91 Average: 6 25.43 0.49 1.78 1.01 0.09 71.19 Average: 7 14.03 0.02 2.03 0.83 0.08 83.01