---> uname -a: Linux prd-centos8-docker-4c-4g-9402.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: 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: 15761 822 12025 19 2913 14601 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:e7:ef:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fee7:ef3d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:c7:4a:3b 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) 07/13/2026 _x86_64_ (4 CPU) 01:29:13 LINUX RESTART (4 CPU) 01:30:01 AM tps rtps wtps bread/s bwrtn/s 01:31:01 AM 182.24 14.78 167.46 3205.20 10461.94 01:32:01 AM 178.91 6.23 172.68 1056.31 17472.83 01:33:01 AM 29.26 0.85 28.41 67.04 578.19 Average: 130.13 7.29 122.84 1442.75 9504.27 01:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:31:01 AM 12691752 14808480 3447568 21.36 2688 2321824 1405308 8.18 184024 2863020 239664 01:32:01 AM 11149712 13536244 4989608 30.92 2688 2587204 2933044 17.06 250532 4313044 3068 01:33:01 AM 12321520 14956684 3817800 23.66 2688 2833644 1194260 6.95 524584 2868016 263192 Average: 12054328 14433803 4084992 25.31 2688 2580891 1844204 10.73 319713 3348027 168641 01:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM eth0 175.07 132.94 2076.25 26.59 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 AM lo 13.81 13.81 3.60 3.60 0.00 0.00 0.00 0.00 01:32:01 AM eth0 313.08 209.21 3721.23 47.58 0.00 0.00 0.00 0.00 01:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:33:01 AM lo 14.83 14.83 2.46 2.46 0.00 0.00 0.00 0.00 01:33:01 AM eth0 51.52 46.80 273.34 19.45 0.00 0.00 0.00 0.00 01:33:01 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 179.89 129.65 2023.61 31.21 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) 07/13/2026 _x86_64_ (4 CPU) 01:29:13 LINUX RESTART (4 CPU) 01:30:01 AM CPU %user %nice %system %iowait %steal %idle 01:31:01 AM all 24.62 0.00 2.35 0.82 0.09 72.11 01:31:01 AM 0 32.82 0.00 3.62 1.25 0.10 62.21 01:31:01 AM 1 28.26 0.00 2.37 0.60 0.08 68.68 01:31:01 AM 2 20.38 0.00 1.71 0.75 0.10 77.05 01:31:01 AM 3 16.98 0.00 1.71 0.69 0.08 80.54 01:32:01 AM all 54.08 0.00 2.12 0.98 0.11 42.71 01:32:01 AM 0 37.22 0.00 2.58 1.24 0.12 58.85 01:32:01 AM 1 53.06 0.00 2.39 1.09 0.12 43.34 01:32:01 AM 2 64.17 0.00 1.35 0.68 0.10 33.70 01:32:01 AM 3 61.85 0.00 2.17 0.90 0.10 34.98 01:33:01 AM all 15.70 0.00 1.27 0.10 0.07 82.86 01:33:01 AM 0 10.79 0.00 0.78 0.00 0.05 88.38 01:33:01 AM 1 21.55 0.00 1.17 0.08 0.07 77.13 01:33:01 AM 2 19.84 0.00 2.09 0.30 0.08 77.68 01:33:01 AM 3 10.63 0.00 1.02 0.03 0.07 88.25 Average: all 31.46 0.00 1.91 0.64 0.09 65.90 Average: 0 26.93 0.00 2.33 0.83 0.09 69.82 Average: 1 34.28 0.00 1.98 0.59 0.09 63.06 Average: 2 34.81 0.00 1.72 0.58 0.09 62.80 Average: 3 29.84 0.00 1.63 0.54 0.08 67.91