---> uname -a: Linux prd-centos8-docker-4c-4g-5701.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: 2799.996 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 872 11767 19 3122 14544 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:bc:bb:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.70/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85984sec preferred_lft 85984sec inet6 fe80::f816:3eff:febc:bbdc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:99:2f:04:9a 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::42:99ff:fe2f:49a/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) 04/24/2026 _x86_64_ (4 CPU) 20:13:11 LINUX RESTART (4 CPU) 08:14:01 PM tps rtps wtps bread/s bwrtn/s 08:15:01 PM 224.62 19.96 204.66 4013.18 11926.76 08:16:01 PM 107.90 1.78 106.11 114.88 8473.70 08:17:01 PM 25.25 0.05 25.20 1.07 6443.16 08:18:01 PM 3.83 1.83 2.00 60.51 282.76 08:19:01 PM 90.37 1.80 88.57 621.79 16191.54 08:20:01 PM 33.19 0.45 32.74 56.39 1206.15 Average: 80.89 4.31 76.57 811.86 7421.66 08:14:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:15:01 PM 11917184 14061580 4224348 26.17 2688 2349404 2087636 12.14 208932 3604860 172904 08:16:01 PM 9892184 12272968 6249348 38.72 2688 2581592 3723404 21.66 263208 5560176 182824 08:17:01 PM 9094016 11480948 7047516 43.66 2688 2587572 4366364 25.40 265152 6355856 2304 08:18:01 PM 8949888 11344772 7191644 44.55 2688 2595244 4429544 25.77 267576 6495660 1004 08:19:01 PM 7962692 10792640 8178840 50.67 2688 3019848 5285292 30.75 405576 7296644 988 08:20:01 PM 12079796 14919920 4061736 25.16 2688 3029480 1192756 6.94 597248 3006908 26340 Average: 9982627 12478805 6158905 38.16 2688 2693857 3514166 20.44 334615 5386684 64394 08:14:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:15:01 PM eth0 209.19 174.10 2384.28 30.87 0.00 0.00 0.00 0.00 08:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:16:01 PM eth0 221.16 166.32 3428.90 32.35 0.00 0.00 0.00 0.00 08:16:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:17:01 PM eth0 21.10 19.70 4.58 25.27 0.00 0.00 0.00 0.00 08:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 PM eth0 13.28 14.68 2.72 13.82 0.00 0.00 0.00 0.00 08:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 PM lo 15.41 15.41 27.20 27.20 0.00 0.00 0.00 0.00 08:19:01 PM eth0 206.63 121.84 2826.67 10.26 0.00 0.00 0.00 0.00 08:19:01 PM docker0 0.15 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:19:01 PM vethf1eb2db 0.15 0.40 0.01 0.03 0.00 0.00 0.00 0.00 08:19:01 PM br-6d6cf8114998 5.68 5.66 25.62 0.94 0.00 0.00 0.00 0.00 08:20:01 PM lo 1.12 1.12 0.08 0.08 0.00 0.00 0.00 0.00 08:20:01 PM eth0 29.71 25.15 25.26 21.33 0.00 0.00 0.00 0.00 08:20:01 PM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.75 2.75 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 116.87 86.98 1445.69 22.32 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 0.00 0.00 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) 04/24/2026 _x86_64_ (4 CPU) 20:13:11 LINUX RESTART (4 CPU) 08:14:01 PM CPU %user %nice %system %iowait %steal %idle 08:15:01 PM all 35.68 0.00 3.24 1.43 0.11 59.54 08:15:01 PM 0 30.74 0.00 2.44 2.21 0.13 64.47 08:15:01 PM 1 31.09 0.00 3.21 1.09 0.08 64.53 08:15:01 PM 2 43.22 0.00 4.63 1.68 0.10 50.37 08:15:01 PM 3 37.73 0.00 2.71 0.77 0.10 58.69 08:16:01 PM all 63.72 0.00 2.16 0.41 0.11 33.61 08:16:01 PM 0 63.34 0.00 2.36 0.27 0.12 33.92 08:16:01 PM 1 57.31 0.00 2.79 0.57 0.10 39.23 08:16:01 PM 2 65.03 0.00 1.95 0.27 0.10 32.65 08:16:01 PM 3 69.20 0.00 1.54 0.52 0.12 28.63 08:17:01 PM all 29.78 0.00 0.62 0.13 0.09 69.38 08:17:01 PM 0 32.49 0.00 0.80 0.50 0.10 66.10 08:17:01 PM 1 18.73 0.00 0.60 0.02 0.10 80.55 08:17:01 PM 2 38.71 0.00 0.75 0.00 0.08 60.46 08:17:01 PM 3 29.18 0.00 0.32 0.02 0.07 70.42 08:18:01 PM all 25.80 0.00 0.50 0.02 0.08 73.61 08:18:01 PM 0 18.68 0.00 0.48 0.03 0.08 80.72 08:18:01 PM 1 45.19 0.00 0.92 0.05 0.08 53.76 08:18:01 PM 2 18.89 0.00 0.32 0.00 0.07 80.72 08:18:01 PM 3 20.44 0.00 0.27 0.00 0.07 79.23 08:19:01 PM all 26.71 0.00 3.33 1.45 0.10 68.41 08:19:01 PM 0 28.24 0.00 3.21 2.16 0.10 66.29 08:19:01 PM 1 26.62 0.00 3.51 0.50 0.10 69.26 08:19:01 PM 2 27.47 0.00 3.36 2.02 0.10 67.05 08:19:01 PM 3 24.51 0.00 3.24 1.13 0.08 71.04 08:20:01 PM all 28.57 0.00 1.71 0.28 0.08 69.37 08:20:01 PM 0 20.72 0.00 1.27 0.13 0.07 77.81 08:20:01 PM 1 21.81 0.00 1.57 0.10 0.08 76.43 08:20:01 PM 2 34.10 0.00 2.09 0.70 0.07 63.05 08:20:01 PM 3 37.64 0.00 1.90 0.18 0.08 60.19 Average: all 35.05 0.00 1.92 0.62 0.09 62.32 Average: 0 32.37 0.00 1.76 0.88 0.10 64.89 Average: 1 33.47 0.00 2.10 0.39 0.09 63.95 Average: 2 37.90 0.00 2.18 0.77 0.09 59.06 Average: 3 36.46 0.00 1.66 0.43 0.09 61.36