---> uname -a: Linux prd-centos8-docker-4c-4g-1819.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: 2799.996 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 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 829 12029 20 2901 14593 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:c5:2a:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.52/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fec5:2a68/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:42:ec:f8:47 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) 09/16/2026 _x86_64_ (4 CPU) 06:57:23 LINUX RESTART (4 CPU) 06:58:01 AM tps rtps wtps bread/s bwrtn/s 06:59:01 AM 165.83 15.26 150.57 3251.84 10877.94 07:00:01 AM 207.03 6.23 200.80 1056.49 17227.41 07:01:01 AM 28.36 1.42 26.94 87.17 639.92 Average: 133.74 7.64 126.10 1465.29 9581.41 06:58:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:59:01 AM 12853416 14947404 3285900 20.36 2688 2301696 1490884 8.67 185116 2701916 216664 07:00:01 AM 11097204 13470220 5042112 31.24 2688 2574608 2654312 15.44 254488 4355752 2384 07:01:01 AM 12316968 14940224 3822348 23.68 2688 2822836 1241192 7.22 351468 3041732 262168 Average: 12089196 14452616 4050120 25.09 2688 2566380 1795463 10.45 263691 3366467 160405 06:58:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 AM eth0 157.00 109.20 2001.01 26.34 0.00 0.00 0.00 0.00 06:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 AM lo 12.50 12.50 3.48 3.48 0.00 0.00 0.00 0.00 07:00:01 AM eth0 318.80 241.04 3792.28 63.23 0.00 0.00 0.00 0.00 07:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:01 AM lo 16.54 16.54 2.59 2.59 0.00 0.00 0.00 0.00 07:01:01 AM eth0 97.15 82.76 281.28 943.81 0.00 0.00 0.00 0.00 07:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.68 9.68 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 190.98 144.32 2024.76 344.46 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) 09/16/2026 _x86_64_ (4 CPU) 06:57:23 LINUX RESTART (4 CPU) 06:58:01 AM CPU %user %nice %system %iowait %steal %idle 06:59:01 AM all 24.48 0.00 2.35 0.85 0.03 72.30 06:59:01 AM 0 26.38 0.00 2.37 0.94 0.03 70.27 06:59:01 AM 1 30.05 0.00 3.13 0.77 0.03 66.03 06:59:01 AM 2 17.13 0.00 1.63 0.99 0.02 80.24 06:59:01 AM 3 24.35 0.00 2.26 0.70 0.02 72.68 07:00:01 AM all 52.30 0.00 2.14 1.09 0.04 44.42 07:00:01 AM 0 57.89 0.00 2.34 1.32 0.03 38.41 07:00:01 AM 1 55.07 0.00 1.82 0.99 0.03 42.09 07:00:01 AM 2 45.72 0.00 1.87 1.05 0.05 51.30 07:00:01 AM 3 50.53 0.00 2.54 1.02 0.05 45.86 07:01:01 AM all 14.89 0.00 1.26 0.10 0.02 83.73 07:01:01 AM 0 14.22 0.00 1.45 0.27 0.02 84.04 07:01:01 AM 1 23.25 0.00 1.27 0.02 0.02 75.45 07:01:01 AM 2 9.62 0.00 1.00 0.07 0.02 89.29 07:01:01 AM 3 12.46 0.00 1.32 0.07 0.02 86.14 Average: all 30.56 0.00 1.92 0.68 0.03 66.82 Average: 0 32.84 0.00 2.06 0.84 0.03 64.24 Average: 1 36.12 0.00 2.07 0.59 0.03 61.19 Average: 2 24.15 0.00 1.50 0.70 0.03 73.62 Average: 3 29.10 0.00 2.04 0.60 0.03 68.23