---> uname -a: Linux prd-centos8-docker-4c-4g-718.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 2800.000 BogoMIPS: 5600.00 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 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1637 10104 19 4018 13774 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:fe:63:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.155/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85975sec preferred_lft 85975sec inet6 fe80::f816:3eff:fefe:6365/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c4:bf:96:8d 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:c4ff:febf:968d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/18/2026 _x86_64_ (4 CPU) 09:28:13 LINUX RESTART (4 CPU) 09:29:01 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 119.76 1.87 117.89 292.70 10030.39 09:31:02 AM 223.55 4.81 218.74 888.22 19855.01 09:32:01 AM 152.72 0.75 151.97 61.01 24653.43 09:33:01 AM 696.85 72.29 624.56 1379.41 27024.71 09:34:01 AM 83.77 47.86 35.91 797.60 1371.17 09:35:01 AM 29.66 0.43 29.22 56.25 2461.53 Average: 217.91 21.39 196.51 580.66 14203.91 09:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 12933212 14938204 3206108 19.87 2688 2212680 1527608 8.89 154156 2663660 248572 09:31:02 AM 11084436 13776572 5054884 31.32 2688 2885612 2741152 15.95 218104 4386288 367564 09:32:01 AM 10598696 14046176 5540624 34.33 2688 3548816 1877976 10.93 361120 4538068 415088 09:33:01 AM 10125008 13789648 6014312 37.26 2688 3654028 1953332 11.36 408608 4724776 6748 09:34:01 AM 10990156 14738396 5149164 31.90 2688 3734044 1160164 6.75 516148 3758244 52852 09:35:01 AM 10337632 14091164 5801688 35.95 2688 3736992 1837964 10.69 706472 4221248 24484 Average: 11011523 14230027 5127797 31.77 2688 3295362 1849699 10.76 394101 4048714 185885 09:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 272.16 178.89 1709.36 23.88 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:02 AM lo 0.43 0.43 0.03 0.03 0.00 0.00 0.00 0.00 09:31:02 AM eth0 423.92 319.84 6437.92 42.28 0.00 0.00 0.00 0.00 09:31:02 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 09:31:02 AM veth16afdf5 0.08 0.28 0.01 0.03 0.00 0.00 0.00 0.00 09:32:01 AM lo 5.81 5.81 4.54 4.54 0.00 0.00 0.00 0.00 09:32:01 AM eth0 176.72 144.87 1744.01 28.78 0.00 0.00 0.00 0.00 09:32:01 AM docker0 3.15 2.95 4.14 0.44 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 36.75 21.71 153.13 2.11 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM eth0 179.12 116.78 400.25 56.81 0.00 0.00 0.00 0.00 09:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM eth0 58.43 34.14 26.31 133.15 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 191.23 136.02 1745.34 47.89 0.00 0.00 0.00 0.00 Average: docker0 0.53 0.52 0.68 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/18/2026 _x86_64_ (4 CPU) 09:28:13 LINUX RESTART (4 CPU) 09:29:01 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 19.20 0.00 1.97 1.63 0.10 77.11 09:30:01 AM 0 12.24 0.00 1.15 0.32 0.10 86.19 09:30:01 AM 1 8.83 0.00 1.54 3.86 0.08 85.68 09:30:01 AM 2 40.39 0.00 3.86 2.00 0.12 53.64 09:30:01 AM 3 15.37 0.00 1.34 0.37 0.08 82.84 09:31:02 AM all 34.96 0.00 2.95 6.53 0.12 55.44 09:31:02 AM 0 32.82 0.00 3.36 4.62 0.12 59.09 09:31:02 AM 1 34.70 0.00 2.50 2.65 0.10 60.05 09:31:02 AM 2 40.25 0.00 2.62 11.59 0.13 45.41 09:31:02 AM 3 32.08 0.00 3.33 7.26 0.12 57.21 09:32:01 AM all 32.88 0.12 6.35 4.59 0.13 55.94 09:32:01 AM 0 26.98 0.12 6.68 4.38 0.12 61.72 09:32:01 AM 1 41.64 0.03 6.48 3.17 0.14 48.53 09:32:01 AM 2 33.06 0.17 5.76 5.38 0.14 55.49 09:32:01 AM 3 29.82 0.14 6.46 5.41 0.14 58.02 09:33:01 AM all 12.46 0.00 5.67 36.03 0.11 45.72 09:33:01 AM 0 6.25 0.00 5.81 37.59 0.10 50.24 09:33:01 AM 1 13.49 0.00 5.92 38.98 0.12 41.49 09:33:01 AM 2 19.68 0.00 6.23 39.95 0.14 34.00 09:33:01 AM 3 10.44 0.00 4.70 27.61 0.10 57.15 09:34:01 AM all 44.37 0.00 2.35 1.59 0.15 51.53 09:34:01 AM 0 43.32 0.00 2.23 1.17 0.15 53.13 09:34:01 AM 1 36.28 0.00 1.88 1.64 0.17 60.04 09:34:01 AM 2 65.84 0.00 2.48 1.47 0.15 30.06 09:34:01 AM 3 32.05 0.00 2.81 2.06 0.15 62.92 09:35:01 AM all 23.37 0.00 1.33 1.15 0.08 74.08 09:35:01 AM 0 18.33 0.00 1.18 0.02 0.08 80.39 09:35:01 AM 1 22.37 0.00 0.95 0.42 0.07 76.19 09:35:01 AM 2 40.48 0.00 1.98 1.37 0.10 56.06 09:35:01 AM 3 12.29 0.00 1.19 2.79 0.05 83.68 Average: all 27.87 0.02 3.42 8.56 0.12 60.02 Average: 0 23.31 0.02 3.38 7.99 0.11 65.19 Average: 1 26.18 0.01 3.19 8.44 0.11 62.08 Average: 2 40.01 0.03 3.81 10.27 0.13 45.76 Average: 3 21.98 0.02 3.29 7.56 0.11 67.04