---> uname -a: Linux prd-centos8-docker-4c-4g-8842.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1632 10113 19 4015 13779 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:c8:58:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.229/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86078sec preferred_lft 86078sec inet6 fe80::f816:3eff:fec8:58c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:ac:55:72 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::42:48ff:feac:5572/64 scope link 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) 07/11/2026 _x86_64_ (4 CPU) 09:27:23 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 197.60 4.95 192.65 446.73 10879.20 09:30:01 AM 227.22 2.42 224.81 791.07 30274.59 09:31:01 AM 1064.48 95.08 969.39 1697.57 38323.73 09:32:01 AM 63.74 25.13 38.61 480.05 2105.27 Average: 388.28 31.90 356.39 853.89 20396.85 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12424876 14547872 3714444 23.01 2688 2327308 1744448 10.15 166492 3143800 322836 09:30:01 AM 11102776 14040228 5036544 31.21 2688 3119612 2272052 13.22 360724 4189160 271988 09:31:01 AM 9605300 13276504 6534020 40.49 2688 3659576 2065976 12.02 410932 5216244 6768 09:32:01 AM 10433084 14178836 5706236 35.36 2688 3731280 1706996 9.93 517384 4299808 37144 Average: 10891509 14010860 5247811 32.52 2688 3209444 1947368 11.33 363883 4212253 159684 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 234.83 180.37 3485.24 34.73 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.10 6.10 4.53 4.53 0.00 0.00 0.00 0.00 09:30:01 AM eth0 371.21 281.46 5449.55 38.36 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.35 3.18 4.09 0.45 0.00 0.00 0.00 0.00 09:30:01 AM vethe6a0a62 0.17 0.45 0.01 0.04 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 99.98 73.06 1056.92 13.55 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 263.89 158.54 412.17 184.98 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 242.48 173.36 2601.02 67.90 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.80 1.02 0.11 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) 07/11/2026 _x86_64_ (4 CPU) 09:27:23 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 25.80 0.00 2.31 0.87 0.08 70.93 09:29:01 AM 0 21.63 0.00 1.32 0.33 0.08 76.64 09:29:01 AM 1 24.08 0.00 3.48 1.89 0.08 70.46 09:29:01 AM 2 41.99 0.00 2.59 0.38 0.08 54.95 09:29:01 AM 3 15.49 0.00 1.88 0.87 0.08 81.68 09:30:01 AM all 47.02 0.10 3.82 1.36 0.10 47.61 09:30:01 AM 0 44.54 0.20 3.17 1.34 0.10 50.64 09:30:01 AM 1 53.11 0.05 4.47 1.24 0.10 41.03 09:30:01 AM 2 42.64 0.02 3.48 1.19 0.10 52.57 09:30:01 AM 3 47.77 0.12 4.14 1.66 0.10 46.21 09:31:01 AM all 29.92 0.00 9.16 7.72 0.12 53.08 09:31:01 AM 0 47.19 0.00 9.29 8.15 0.14 35.24 09:31:01 AM 1 34.39 0.00 9.86 6.96 0.14 48.65 09:31:01 AM 2 15.91 0.00 9.68 8.09 0.10 66.22 09:31:01 AM 3 22.12 0.00 7.81 7.66 0.12 62.29 09:32:01 AM all 42.60 0.00 2.09 0.42 0.09 54.80 09:32:01 AM 0 54.79 0.00 3.25 0.23 0.08 41.65 09:32:01 AM 1 49.26 0.00 1.84 0.55 0.10 48.24 09:32:01 AM 2 38.69 0.00 1.81 0.49 0.08 58.94 09:32:01 AM 3 27.68 0.00 1.47 0.40 0.08 70.36 Average: all 36.35 0.02 4.33 2.57 0.10 56.63 Average: 0 41.99 0.05 4.23 2.49 0.10 51.13 Average: 1 40.22 0.01 4.90 2.65 0.10 52.12 Average: 2 34.89 0.00 4.36 2.51 0.09 58.14 Average: 3 28.28 0.03 3.81 2.63 0.10 65.15