---> uname -a: Linux prd-centos8-docker-4c-4g-5436.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 805 12050 19 2905 14618 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:a9:56:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.134/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:fea9:56e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:28:cb:5f:34 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/06/2026 _x86_64_ (4 CPU) 01:25:42 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 248.69 8.56 240.13 1625.99 8079.13 01:28:01 AM 271.74 20.36 251.37 4164.11 15830.03 01:29:01 AM 35.76 0.60 35.16 17.85 7875.28 Average: 185.38 9.84 175.54 1935.63 10594.08 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13239196 15052344 2900116 17.97 2688 2027828 1228552 7.15 143068 2399848 194208 01:28:01 AM 11452964 13829624 4686348 29.04 2688 2577716 2455452 14.29 244580 4014120 225116 01:29:01 AM 10928120 13308560 5211192 32.29 2688 2581272 3047360 17.73 251612 4533084 1516 Average: 11873427 14063509 4265885 26.43 2688 2395605 2243788 13.05 213087 3649017 140280 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 210.03 137.51 1393.38 43.61 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 3.52 3.52 0.37 0.37 0.00 0.00 0.00 0.00 01:28:01 AM eth0 421.21 286.80 4744.47 66.48 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 25.12 25.12 5.69 5.69 0.00 0.00 0.00 0.00 01:29:01 AM eth0 38.91 25.13 14.06 29.10 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.55 9.55 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 223.35 149.79 2050.22 46.39 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/06/2026 _x86_64_ (4 CPU) 01:25:42 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 18.45 0.00 2.09 0.94 0.07 78.46 01:27:01 AM 0 31.94 0.00 2.37 0.75 0.08 64.86 01:27:01 AM 1 15.50 0.00 2.41 1.69 0.07 80.33 01:27:01 AM 2 11.02 0.00 1.98 0.35 0.07 86.58 01:27:01 AM 3 15.30 0.00 1.61 0.95 0.05 82.09 01:28:01 AM all 54.16 0.00 2.99 1.27 0.11 41.46 01:28:01 AM 0 54.46 0.00 2.99 1.57 0.12 40.86 01:28:01 AM 1 50.31 0.00 3.32 0.70 0.10 45.57 01:28:01 AM 2 53.38 0.00 3.87 1.76 0.13 40.86 01:28:01 AM 3 58.49 0.00 1.79 1.05 0.10 38.57 01:29:01 AM all 18.06 0.00 0.74 0.19 0.07 80.95 01:29:01 AM 0 22.80 0.00 0.52 0.08 0.05 76.55 01:29:01 AM 1 12.30 0.00 0.98 0.38 0.07 86.26 01:29:01 AM 2 13.50 0.00 1.17 0.28 0.08 84.97 01:29:01 AM 3 23.62 0.00 0.30 0.00 0.07 76.01 Average: all 30.21 0.00 1.94 0.80 0.08 66.97 Average: 0 36.39 0.00 1.96 0.80 0.08 60.76 Average: 1 26.01 0.00 2.24 0.93 0.08 70.75 Average: 2 25.95 0.00 2.34 0.80 0.09 70.82 Average: 3 32.46 0.00 1.23 0.67 0.07 65.56