---> uname -a: Linux prd-centos8-docker-4c-4g-8387.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 797 12141 19 2823 14629 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:ea:52:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.75/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:feea:527f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d5:a1:00:21 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/05/2026 _x86_64_ (4 CPU) 13:22:52 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 352.18 33.14 319.04 7716.49 44621.39 01:25:01 PM 272.86 19.96 252.90 4028.66 18409.46 01:26:01 PM 25.87 0.60 25.27 17.86 2837.40 Average: 216.97 17.90 199.07 3921.00 21956.09 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13316140 15147128 2825384 17.50 2688 2042388 1151144 6.70 138248 2320116 218776 01:25:01 PM 11665776 13960032 4475748 27.73 2688 2497728 2246828 13.07 248384 3809656 76760 01:26:01 PM 11004832 13303408 5136692 31.82 2688 2501912 2864772 16.67 255176 4465228 2152 Average: 11995583 14136856 4145941 25.68 2688 2347343 2087581 12.14 213936 3531667 99229 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 378.41 218.53 1896.47 71.39 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 3.77 3.77 0.40 0.40 0.00 0.00 0.00 0.00 01:25:01 PM eth0 428.82 303.15 4722.16 65.07 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.22 25.22 5.69 5.69 0.00 0.00 0.00 0.00 01:26:01 PM eth0 32.92 24.34 11.10 21.37 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.66 9.66 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 280.05 182.01 2209.91 52.61 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/05/2026 _x86_64_ (4 CPU) 13:22:52 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.51 0.00 3.91 2.02 0.08 66.47 01:24:01 PM 0 36.34 0.00 5.68 2.47 0.08 55.43 01:24:01 PM 1 16.08 0.00 3.70 0.65 0.07 79.50 01:24:01 PM 2 32.21 0.00 3.69 3.84 0.10 60.17 01:24:01 PM 3 25.39 0.00 2.59 1.14 0.07 70.82 01:25:01 PM all 53.37 0.00 2.89 1.64 0.13 41.97 01:25:01 PM 0 48.96 0.00 2.81 1.86 0.13 46.24 01:25:01 PM 1 48.02 0.00 3.55 1.39 0.13 46.91 01:25:01 PM 2 57.60 0.00 3.16 1.74 0.12 37.38 01:25:01 PM 3 58.92 0.00 2.04 1.57 0.12 37.35 01:26:01 PM all 17.59 0.00 0.79 0.11 0.06 81.44 01:26:01 PM 0 12.41 0.00 1.12 0.03 0.07 86.37 01:26:01 PM 1 12.62 0.00 1.10 0.35 0.05 85.87 01:26:01 PM 2 23.76 0.00 0.40 0.00 0.07 75.78 01:26:01 PM 3 21.56 0.00 0.53 0.07 0.07 77.77 Average: all 32.81 0.00 2.53 1.26 0.09 63.31 Average: 0 32.57 0.00 3.20 1.45 0.09 62.68 Average: 1 25.57 0.00 2.78 0.80 0.08 70.77 Average: 2 37.84 0.00 2.41 1.86 0.09 57.79 Average: 3 35.27 0.00 1.72 0.93 0.08 62.00