---> uname -a: Linux prd-centos8-docker-4c-4g-7545.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1016 10558 19 4187 14397 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:1a:42:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.47/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fe1a:425d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:f1:8e:88 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::42:46ff:fef1:8e88/64 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) 05/02/2026 _x86_64_ (4 CPU) 03:28:51 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:02 AM 249.59 4.96 244.63 726.09 14970.52 03:32:01 AM 143.67 2.96 140.71 597.60 20196.58 03:33:01 AM 1052.02 95.07 956.95 1697.43 38544.57 03:34:01 AM 80.18 41.13 39.05 5570.82 8586.81 Average: 382.27 36.16 346.11 2154.40 20573.48 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:02 AM 12581124 14698964 3560408 22.06 2688 2323188 1469008 8.55 172248 2984108 182364 03:32:01 AM 11497912 14292588 4643620 28.77 2688 2980684 1963532 11.42 370072 3794860 284256 03:33:01 AM 10072584 13585932 6068948 37.60 2688 3508040 1754680 10.21 420344 4756736 6760 03:34:01 AM 10066088 13985496 6075444 37.64 2688 3908896 1818068 10.58 505312 4681152 6292 Average: 11054427 14140745 5087105 31.52 2688 3180202 1751322 10.19 366994 4054214 119918 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:02 AM eth0 337.67 252.14 3793.17 41.98 0.00 0.00 0.00 0.00 03:31:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.35 6.35 4.65 4.65 0.00 0.00 0.00 0.00 03:32:01 AM eth0 274.70 168.76 3224.95 24.12 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.40 3.27 4.15 0.46 0.00 0.00 0.00 0.00 03:32:01 AM veth8d10aca 0.14 0.42 0.01 0.03 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 120.96 78.91 1054.20 13.51 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 147.94 106.98 3093.71 11.42 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.57 1.57 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 220.11 151.64 2790.00 22.76 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.81 1.03 0.11 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) 05/02/2026 _x86_64_ (4 CPU) 03:28:51 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:02 AM all 23.55 0.00 2.47 2.32 0.10 71.56 03:31:02 AM 0 26.97 0.00 3.01 3.34 0.08 66.61 03:31:02 AM 1 28.41 0.00 2.72 1.65 0.10 67.12 03:31:02 AM 2 15.19 0.00 1.64 2.29 0.10 80.78 03:31:02 AM 3 23.62 0.00 2.51 2.01 0.10 71.76 03:32:01 AM all 48.80 0.12 3.83 2.98 0.10 44.18 03:32:01 AM 0 45.18 0.09 3.41 2.93 0.10 48.29 03:32:01 AM 1 52.88 0.03 3.38 3.54 0.09 40.09 03:32:01 AM 2 50.10 0.07 4.05 4.15 0.10 41.53 03:32:01 AM 3 47.05 0.27 4.46 1.28 0.10 46.83 03:33:01 AM all 28.29 0.00 9.63 10.86 0.11 51.11 03:33:01 AM 0 42.59 0.00 9.54 11.83 0.12 35.93 03:33:01 AM 1 21.76 0.00 9.11 11.33 0.10 57.69 03:33:01 AM 2 28.00 0.00 11.86 10.98 0.10 49.06 03:33:01 AM 3 20.82 0.00 8.00 9.31 0.10 61.78 03:34:01 AM all 51.71 0.00 1.93 0.64 0.10 45.61 03:34:01 AM 0 65.33 0.00 2.39 0.85 0.10 31.33 03:34:01 AM 1 42.89 0.00 1.37 0.43 0.12 55.19 03:34:01 AM 2 55.25 0.00 2.29 0.67 0.10 41.69 03:34:01 AM 3 43.38 0.00 1.65 0.62 0.10 54.25 Average: all 38.07 0.03 4.45 4.18 0.10 53.17 Average: 0 45.02 0.02 4.57 4.72 0.10 45.56 Average: 1 36.44 0.01 4.14 4.22 0.10 55.10 Average: 2 37.10 0.02 4.94 4.50 0.10 53.34 Average: 3 33.70 0.07 4.14 3.29 0.10 58.71