---> uname -a: Linux prd-centos8-docker-4c-4g-8020.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: 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 828 11809 19 3125 14588 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:fc:f2:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.109/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86011sec preferred_lft 86011sec inet6 fe80::f816:3eff:fefc:f2e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fd:0e:d1:15 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:fdff:fe0e:d115/64 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) 05:50:30 LINUX RESTART (4 CPU) 05:51:01 AM tps rtps wtps bread/s bwrtn/s 05:52:01 AM 197.68 19.19 178.49 3493.50 10423.53 05:53:01 AM 147.76 3.23 144.53 774.69 12087.34 05:54:01 AM 25.11 0.05 25.06 1.07 6442.01 05:55:01 AM 3.35 1.80 1.55 56.51 330.78 05:56:01 AM 84.81 1.70 83.11 517.03 18339.05 05:57:01 AM 42.34 2.90 39.44 144.09 2158.28 Average: 83.51 4.81 78.70 831.14 8296.98 05:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:01 AM 12659724 14740564 3481808 21.57 2688 2287976 1387664 8.07 166536 2925144 230224 05:53:01 AM 10486380 12871984 5655152 35.03 2688 2587024 3026652 17.61 263604 4968212 184228 05:54:01 AM 9719768 12109468 6421764 39.78 2688 2591024 3665824 21.33 263712 5733168 936 05:55:01 AM 9019256 11421016 7122276 44.12 2688 2602616 4318524 25.12 267824 6426360 2012 05:56:01 AM 8355608 11189336 7785924 48.24 2688 3024144 4793892 27.89 406632 6905908 1008 05:57:01 AM 12136096 14982384 4005436 24.81 2688 3035704 1125480 6.55 602164 2944276 7712 Average: 10396139 12885792 5745393 35.59 2688 2688081 3053006 17.76 328412 4983845 71020 05:51:01 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 186.60 151.18 2522.05 29.31 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 266.44 213.14 4163.59 32.60 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 16.55 16.01 3.14 26.10 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 21.67 20.12 4.56 16.87 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 16.03 16.03 27.22 27.22 0.00 0.00 0.00 0.00 05:56:01 AM eth0 193.84 104.73 2825.88 10.63 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 05:56:01 AM vethf717406 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 05:56:01 AM br-911d791de9cb 5.53 5.41 25.61 0.92 0.00 0.00 0.00 0.00 05:57:01 AM lo 0.52 0.52 0.03 0.03 0.00 0.00 0.00 0.00 05:57:01 AM eth0 30.62 25.02 25.21 11.32 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.07 0.08 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.76 2.76 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 119.30 88.38 1590.95 21.14 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 05/04/2026 _x86_64_ (4 CPU) 05:50:30 LINUX RESTART (4 CPU) 05:51:01 AM CPU %user %nice %system %iowait %steal %idle 05:52:01 AM all 26.14 0.00 2.67 1.11 0.09 70.00 05:52:01 AM 0 21.96 0.00 2.46 1.52 0.08 73.98 05:52:01 AM 1 42.58 0.00 2.86 0.80 0.08 53.68 05:52:01 AM 2 28.10 0.00 3.05 1.12 0.08 67.65 05:52:01 AM 3 11.87 0.00 2.31 0.99 0.10 84.73 05:53:01 AM all 64.18 0.00 2.39 0.50 0.10 32.83 05:53:01 AM 0 58.18 0.00 1.87 0.38 0.12 39.45 05:53:01 AM 1 74.67 0.00 1.99 0.20 0.10 23.04 05:53:01 AM 2 64.67 0.00 3.48 0.99 0.10 30.76 05:53:01 AM 3 59.19 0.00 2.22 0.43 0.10 38.06 05:54:01 AM all 21.57 0.00 0.44 0.18 0.06 77.75 05:54:01 AM 0 23.23 0.00 0.33 0.00 0.07 76.37 05:54:01 AM 1 23.55 0.00 0.53 0.10 0.05 75.77 05:54:01 AM 2 18.12 0.00 0.52 0.37 0.07 80.92 05:54:01 AM 3 21.38 0.00 0.37 0.25 0.05 77.95 05:55:01 AM all 35.62 0.00 0.71 0.02 0.08 63.56 05:55:01 AM 0 23.27 0.00 0.53 0.00 0.08 76.12 05:55:01 AM 1 66.30 0.00 1.52 0.05 0.10 32.03 05:55:01 AM 2 29.42 0.00 0.45 0.00 0.07 70.07 05:55:01 AM 3 23.50 0.00 0.35 0.03 0.08 76.04 05:56:01 AM all 25.96 0.00 3.27 0.63 0.09 70.06 05:56:01 AM 0 24.28 0.00 2.53 0.35 0.08 72.76 05:56:01 AM 1 24.19 0.00 2.67 0.60 0.08 72.46 05:56:01 AM 2 28.70 0.00 3.28 0.93 0.10 66.99 05:56:01 AM 3 26.69 0.00 4.59 0.62 0.08 68.01 05:57:01 AM all 28.73 0.00 1.69 0.18 0.08 69.32 05:57:01 AM 0 32.34 0.00 1.83 0.28 0.08 65.45 05:57:01 AM 1 20.98 0.00 1.47 0.12 0.07 77.37 05:57:01 AM 2 36.44 0.00 2.20 0.25 0.07 61.04 05:57:01 AM 3 25.16 0.00 1.27 0.08 0.08 73.40 Average: all 33.71 0.00 1.86 0.44 0.08 63.92 Average: 0 30.55 0.00 1.59 0.42 0.09 67.35 Average: 1 42.06 0.00 1.84 0.31 0.08 55.71 Average: 2 34.24 0.00 2.16 0.61 0.08 62.91 Average: 3 27.97 0.00 1.85 0.40 0.08 69.69