---> uname -a: Linux prd-centos8-docker-4c-4g-4910.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1013 10908 19 3841 14400 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:09:ad:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85991sec preferred_lft 85991sec inet6 fe80::f816:3eff:fe09:ad01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d0:a6:e3:23 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:d0ff:fea6:e323/64 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_ (4 CPU) 14:08:35 LINUX RESTART (4 CPU) 02:09:02 PM tps rtps wtps bread/s bwrtn/s 02:10:01 PM 219.32 8.17 211.15 1152.15 7504.86 02:11:01 PM 205.90 5.08 200.82 587.14 12280.37 02:12:01 PM 124.05 2.17 121.88 507.65 19139.51 02:13:01 PM 222.03 0.42 221.61 3.33 20893.87 02:14:01 PM 397.55 94.67 302.88 1694.38 18777.30 02:15:01 PM 66.74 23.88 42.87 475.57 2021.01 Average: 205.89 22.43 183.46 735.53 13452.36 02:09:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 PM 13312092 15145744 2829440 17.53 2688 2044400 1074476 6.25 138948 2321920 218300 02:11:01 PM 12127400 14250752 4014132 24.87 2688 2328084 1942628 11.30 187412 3419724 174092 02:12:01 PM 11509400 14250840 4632132 28.70 2688 2930852 1764532 10.26 435784 3728252 238608 02:13:01 PM 10533716 13916948 5607816 34.74 2688 3446496 1764456 10.26 435772 4450444 301168 02:14:01 PM 9999784 13510848 6141748 38.05 2688 3504076 1840860 10.71 485184 4779344 6756 02:15:01 PM 11107376 14678500 5034156 31.19 2688 3558216 1235456 7.19 691512 3471496 36960 Average: 11431628 14292272 4709904 29.18 2688 2968687 1603735 9.33 395769 3695197 162647 02:09:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:01 PM eth0 155.25 96.42 1380.81 27.05 0.00 0.00 0.00 0.00 02:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:11:01 PM eth0 295.80 245.42 3626.54 41.10 0.00 0.00 0.00 0.00 02:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:12:01 PM lo 6.32 6.32 4.59 4.59 0.00 0.00 0.00 0.00 02:12:01 PM eth0 257.91 182.64 2989.35 1200.13 0.00 0.00 0.00 0.00 02:12:01 PM docker0 3.25 3.13 4.08 0.45 0.00 0.00 0.00 0.00 02:12:01 PM veth901a489 0.17 0.45 0.01 0.04 0.00 0.00 0.00 0.00 02:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:13:01 PM eth0 118.41 88.49 1088.23 15.59 0.00 0.00 0.00 0.00 02:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:14:01 PM eth0 4.85 3.45 59.07 2.23 0.00 0.00 0.00 0.00 02:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:15:01 PM eth0 30.84 25.24 56.13 43.44 0.00 0.00 0.00 0.00 02:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 143.81 106.97 1533.78 222.11 0.00 0.00 0.00 0.00 Average: docker0 0.54 0.52 0.68 0.08 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_ (4 CPU) 14:08:35 LINUX RESTART (4 CPU) 02:09:02 PM CPU %user %nice %system %iowait %steal %idle 02:10:01 PM all 18.84 0.00 2.00 2.12 0.08 76.96 02:10:01 PM 0 26.64 0.00 3.08 2.79 0.10 67.39 02:10:01 PM 1 11.80 0.00 1.17 2.56 0.07 84.40 02:10:01 PM 2 28.29 0.00 2.83 2.77 0.09 66.03 02:10:01 PM 3 8.66 0.00 0.94 0.34 0.07 90.00 02:11:01 PM all 24.29 0.00 1.96 14.11 0.11 59.53 02:11:01 PM 0 20.02 0.00 1.74 6.07 0.10 72.07 02:11:01 PM 1 21.17 0.00 2.51 22.16 0.12 54.04 02:11:01 PM 2 30.05 0.00 0.97 6.72 0.08 62.18 02:11:01 PM 3 25.90 0.00 2.61 21.54 0.13 49.82 02:12:01 PM all 36.61 0.11 3.25 6.87 0.12 53.04 02:12:01 PM 0 40.13 0.03 3.65 5.45 0.12 50.61 02:12:01 PM 1 30.30 0.12 3.43 8.60 0.12 57.42 02:12:01 PM 2 39.51 0.19 2.79 4.28 0.10 53.12 02:12:01 PM 3 36.48 0.09 3.14 9.15 0.14 51.00 02:13:01 PM all 11.32 0.00 5.91 26.93 0.09 55.74 02:13:01 PM 0 11.36 0.00 6.06 23.61 0.10 58.88 02:13:01 PM 1 5.38 0.00 5.34 21.71 0.10 67.47 02:13:01 PM 2 15.15 0.00 6.16 14.45 0.08 64.15 02:13:01 PM 3 13.42 0.00 6.09 48.04 0.08 32.37 02:14:01 PM all 17.81 0.00 3.58 36.76 0.08 41.76 02:14:01 PM 0 16.17 0.00 2.33 36.94 0.08 44.48 02:14:01 PM 1 10.24 0.00 3.59 22.95 0.08 63.13 02:14:01 PM 2 35.03 0.00 4.73 47.91 0.08 12.24 02:14:01 PM 3 9.80 0.00 3.69 39.26 0.08 47.15 02:15:01 PM all 34.92 0.00 1.90 3.24 0.10 59.84 02:15:01 PM 0 30.56 0.00 1.94 5.04 0.10 62.36 02:15:01 PM 1 24.63 0.00 1.60 3.11 0.10 70.56 02:15:01 PM 2 43.75 0.00 1.98 2.17 0.10 52.00 02:15:01 PM 3 40.79 0.00 2.06 2.64 0.12 54.39 Average: all 23.91 0.02 3.10 15.07 0.10 57.80 Average: 0 24.05 0.01 3.12 13.38 0.10 59.34 Average: 1 17.20 0.02 2.94 13.56 0.10 66.19 Average: 2 31.94 0.03 3.24 13.13 0.09 51.57 Average: 3 22.48 0.01 3.09 20.22 0.10 54.10