---> uname -a: Linux prd-centos8-docker-4c-4g-806.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 832 12029 20 2898 14589 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:21:6e:df brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.194/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86181sec preferred_lft 86181sec inet6 fe80::f816:3eff:fe21:6edf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f4:53:02:c6 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) 10/12/2026 _x86_64_ (4 CPU) 04:00:30 LINUX RESTART (4 CPU) 04:01:01 AM tps rtps wtps bread/s bwrtn/s 04:02:01 AM 92.74 5.90 86.84 919.67 5945.81 04:03:01 AM 256.51 20.42 236.08 4164.58 14667.12 04:04:01 AM 57.11 1.38 55.73 83.44 8295.65 Average: 135.46 9.23 126.22 1722.66 9636.27 04:01:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:02:01 AM 13090208 15009408 3049100 18.89 2688 2130288 1219648 7.10 152876 2518832 285824 04:03:01 AM 11454828 13822188 4684480 29.03 2688 2569236 2559656 14.89 246632 4007120 226356 04:04:01 AM 12336188 14956988 3803120 23.56 2688 2820208 1180444 6.87 534640 2838996 264432 Average: 12293741 14596195 3845567 23.83 2688 2506577 1653249 9.62 311383 3121649 258871 04:01:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:02:01 AM eth0 103.18 72.26 1359.62 9.99 0.00 0.00 0.00 0.00 04:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 AM lo 4.40 4.40 0.50 0.50 0.00 0.00 0.00 0.00 04:03:01 AM eth0 375.16 309.55 4561.33 62.24 0.00 0.00 0.00 0.00 04:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:04:01 AM lo 27.02 27.02 7.76 7.76 0.00 0.00 0.00 0.00 04:04:01 AM eth0 88.22 66.98 282.31 44.10 0.00 0.00 0.00 0.00 04:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.47 10.47 2.75 2.75 0.00 0.00 0.00 0.00 Average: eth0 188.86 149.60 2067.85 38.78 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) 10/12/2026 _x86_64_ (4 CPU) 04:00:30 LINUX RESTART (4 CPU) 04:01:01 AM CPU %user %nice %system %iowait %steal %idle 04:02:01 AM all 17.71 0.00 1.67 0.44 0.02 80.16 04:02:01 AM 0 4.59 0.00 1.22 0.15 0.00 94.04 04:02:01 AM 1 16.79 0.00 1.37 0.45 0.02 81.37 04:02:01 AM 2 19.05 0.00 1.97 0.47 0.02 78.49 04:02:01 AM 3 30.45 0.00 2.12 0.70 0.03 66.69 04:03:01 AM all 53.03 0.00 3.01 1.46 0.03 42.47 04:03:01 AM 0 54.36 0.00 3.25 1.35 0.03 41.00 04:03:01 AM 1 44.48 0.00 3.37 2.43 0.02 49.71 04:03:01 AM 2 58.56 0.00 2.19 0.72 0.03 38.49 04:03:01 AM 3 54.70 0.00 3.24 1.35 0.02 40.69 04:04:01 AM all 25.17 0.00 2.06 0.29 0.02 72.47 04:04:01 AM 0 36.58 0.00 2.92 0.35 0.02 60.13 04:04:01 AM 1 16.25 0.00 1.41 0.42 0.02 81.91 04:04:01 AM 2 19.49 0.00 1.39 0.02 0.02 79.09 04:04:01 AM 3 28.33 0.00 2.53 0.37 0.02 68.76 Average: all 31.96 0.00 2.25 0.73 0.02 65.04 Average: 0 31.84 0.00 2.47 0.62 0.02 65.06 Average: 1 25.82 0.00 2.05 1.10 0.02 71.02 Average: 2 32.36 0.00 1.85 0.40 0.02 65.36 Average: 3 37.83 0.00 2.63 0.81 0.02 58.71