---> uname -a: Linux prd-centos8-docker-4c-4g-8017.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 850 11787 19 3124 14566 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:d1:9c:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.214/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86006sec preferred_lft 86006sec inet6 fe80::f816:3eff:fed1:9c96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:de:eb:ef:3e 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:deff:feeb:ef3e/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) 05/04/2026 _x86_64_ (4 CPU) 05:50:00 LINUX RESTART (4 CPU) 05:51:02 AM tps rtps wtps bread/s bwrtn/s 05:52:01 AM 210.48 20.43 190.05 4194.18 13552.18 05:53:01 AM 92.95 1.72 91.24 102.77 11120.18 05:54:01 AM 9.28 0.00 9.28 0.00 411.68 05:55:01 AM 60.91 3.37 57.55 556.75 15139.67 05:56:01 AM 34.89 0.10 34.79 1.33 913.98 Average: 81.30 5.07 76.23 960.91 8211.07 05:51:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:01 AM 11775804 13968824 4365728 27.05 2688 2397448 2409840 14.02 223568 3732776 119708 05:53:01 AM 10493572 12881832 5647960 34.99 2688 2589692 2985200 17.37 263608 4960340 3080 05:54:01 AM 10015932 12409776 6125600 37.95 2688 2595052 3422324 19.91 265220 5435004 1844 05:55:01 AM 6706008 9574324 9435524 58.45 2688 3058616 12995532 75.60 379660 8548756 80 05:56:01 AM 10807752 13644552 5333780 33.04 2688 3027416 2349700 13.67 411024 4460796 1776 Average: 9959814 12495862 6181718 38.30 2688 2733645 4832519 28.11 308616 5427534 25298 05:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 AM eth0 243.36 208.34 2860.74 36.21 0.00 0.00 0.00 0.00 05:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 AM eth0 201.67 148.98 2844.24 34.91 0.00 0.00 0.00 0.00 05:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 16.33 16.85 3.24 22.30 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 4.05 4.05 0.52 0.52 0.00 0.00 0.00 0.00 05:55:01 AM eth0 204.63 123.74 2829.10 16.42 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 05:55:01 AM veth14a00fa 0.10 0.33 0.01 0.03 0.00 0.00 0.00 0.00 05:55:01 AM br-ee29deedcb14 0.12 0.23 0.01 0.03 0.00 0.00 0.00 0.00 05:55:01 AM vethaaa5003 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 05:55:01 AM veth4859655 0.12 0.18 0.01 0.02 0.00 0.00 0.00 0.00 05:56:01 AM lo 12.10 12.10 26.56 26.56 0.00 0.00 0.00 0.00 05:56:01 AM eth0 5.25 4.38 1.76 3.31 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.12 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: lo 3.24 3.24 5.43 5.43 0.00 0.00 0.00 0.00 Average: eth0 133.91 100.12 1704.25 22.59 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.07 0.00 0.01 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) 05/04/2026 _x86_64_ (4 CPU) 05:50:00 LINUX RESTART (4 CPU) 05:51:02 AM CPU %user %nice %system %iowait %steal %idle 05:52:01 AM all 39.99 0.00 3.01 1.26 0.09 55.65 05:52:01 AM 0 38.34 0.00 2.97 1.70 0.08 56.91 05:52:01 AM 1 44.55 0.00 3.26 0.70 0.10 51.39 05:52:01 AM 2 39.18 0.00 2.62 0.95 0.08 57.17 05:52:01 AM 3 37.88 0.00 3.20 1.68 0.10 57.14 05:53:01 AM all 58.59 0.00 1.66 0.40 0.10 39.26 05:53:01 AM 0 56.76 0.00 0.95 0.60 0.10 41.58 05:53:01 AM 1 55.54 0.00 1.80 0.30 0.10 42.26 05:53:01 AM 2 62.28 0.00 1.73 0.20 0.10 35.68 05:53:01 AM 3 59.76 0.00 2.15 0.48 0.10 37.50 05:54:01 AM all 17.39 0.00 0.40 0.02 0.06 82.14 05:54:01 AM 0 17.15 0.00 0.42 0.00 0.07 82.37 05:54:01 AM 1 17.75 0.00 0.27 0.00 0.07 81.92 05:54:01 AM 2 20.73 0.00 0.52 0.00 0.05 78.70 05:54:01 AM 3 13.93 0.00 0.38 0.07 0.05 85.57 05:55:01 AM all 44.34 0.00 2.87 0.47 0.11 52.21 05:55:01 AM 0 30.50 0.00 3.08 0.27 0.12 66.04 05:55:01 AM 1 38.38 0.00 2.65 0.75 0.10 58.12 05:55:01 AM 2 45.38 0.00 2.75 0.57 0.10 51.20 05:55:01 AM 3 63.05 0.00 3.02 0.28 0.12 33.53 05:56:01 AM all 25.57 0.00 1.09 0.05 0.07 73.22 05:56:01 AM 0 31.86 0.00 0.67 0.02 0.07 67.39 05:56:01 AM 1 23.85 0.00 1.42 0.07 0.07 74.59 05:56:01 AM 2 27.67 0.00 0.95 0.03 0.07 71.28 05:56:01 AM 3 18.91 0.00 1.30 0.10 0.07 79.62 Average: all 37.16 0.00 1.80 0.44 0.09 60.52 Average: 0 34.91 0.00 1.61 0.51 0.09 62.88 Average: 1 35.99 0.00 1.88 0.36 0.09 61.69 Average: 2 39.05 0.00 1.71 0.35 0.08 58.81 Average: 3 38.70 0.00 2.01 0.52 0.09 58.69