---> uname -a: Linux prd-centos8-docker-4c-4g-3574.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 764 12094 20 2902 14658 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:12:50:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.44/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe12:5053/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:36:e4:a3:20 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) 09/21/2026 _x86_64_ (4 CPU) 01:26:35 LINUX RESTART (4 CPU) 01:27:01 AM tps rtps wtps bread/s bwrtn/s 01:28:01 AM 199.82 6.90 192.92 1118.69 6782.41 01:29:01 AM 264.37 20.39 243.98 4163.78 15203.75 01:30:01 AM 39.69 0.55 39.14 16.79 8046.33 Average: 167.96 9.28 158.68 1766.56 10011.12 01:27:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:28:01 AM 13186420 15052960 2952896 18.30 2688 2080196 1168332 6.80 149312 2437732 240212 01:29:01 AM 11682004 14053248 4457312 27.62 2688 2573044 2090964 12.17 239208 3790872 227828 01:30:01 AM 11451968 13825856 4687348 29.04 2688 2575444 2298044 13.37 249692 4010052 268 Average: 12106797 14310688 4032519 24.99 2688 2409561 1852447 10.78 212737 3412885 156103 01:27:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 172.08 112.41 1436.64 41.66 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 1.15 1.15 0.11 0.11 0.00 0.00 0.00 0.00 01:29:01 AM eth0 430.77 330.27 4599.10 61.02 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 26.51 26.51 5.16 5.16 0.00 0.00 0.00 0.00 01:30:01 AM eth0 31.87 18.41 10.65 16.61 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.22 9.22 1.76 1.76 0.00 0.00 0.00 0.00 Average: eth0 211.58 153.71 2015.61 39.77 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) 09/21/2026 _x86_64_ (4 CPU) 01:26:35 LINUX RESTART (4 CPU) 01:27:01 AM CPU %user %nice %system %iowait %steal %idle 01:28:01 AM all 18.99 0.00 2.18 1.13 0.02 77.68 01:28:01 AM 0 17.26 0.00 2.13 0.67 0.02 79.92 01:28:01 AM 1 17.53 0.00 1.50 0.84 0.02 80.11 01:28:01 AM 2 24.52 0.00 2.09 0.42 0.03 72.94 01:28:01 AM 3 16.66 0.00 3.00 2.60 0.02 77.73 01:29:01 AM all 51.85 0.00 3.12 1.58 0.03 43.43 01:29:01 AM 0 62.22 0.00 2.51 1.37 0.02 33.88 01:29:01 AM 1 48.76 0.00 3.09 0.94 0.03 47.17 01:29:01 AM 2 49.67 0.00 3.71 1.46 0.02 45.15 01:29:01 AM 3 46.75 0.00 3.15 2.56 0.03 47.51 01:30:01 AM all 15.93 0.00 0.69 0.21 0.00 83.17 01:30:01 AM 0 19.67 0.00 0.30 0.00 0.02 80.01 01:30:01 AM 1 19.48 0.00 0.58 0.02 0.00 79.92 01:30:01 AM 2 14.13 0.00 0.94 0.03 0.00 84.90 01:30:01 AM 3 10.42 0.00 0.94 0.79 0.00 87.85 Average: all 28.92 0.00 1.99 0.97 0.02 68.10 Average: 0 33.03 0.00 1.65 0.68 0.02 64.62 Average: 1 28.58 0.00 1.73 0.60 0.02 69.08 Average: 2 29.43 0.00 2.25 0.64 0.02 67.67 Average: 3 24.61 0.00 2.36 1.98 0.02 71.03