---> uname -a: Linux prd-centos8-docker-4c-4g-805.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 819 12041 20 2900 14603 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:2e:60:db brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.34/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86182sec preferred_lft 86182sec inet6 fe80::f816:3eff:fe2e:60db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e3:9b:e0:39 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) 04:00:10 LINUX RESTART (4 CPU) 04:01:01 AM tps rtps wtps bread/s bwrtn/s 04:02:01 AM 192.74 14.82 177.91 3205.33 10813.14 04:03:01 AM 167.67 6.23 161.44 1056.76 16676.02 Average: 180.21 10.53 169.68 2131.31 13743.85 04:01:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:02:01 AM 12689240 14794940 3450076 21.38 2688 2311112 1390664 8.09 184420 2859140 216916 04:03:01 AM 11286848 13658700 4852468 30.07 2688 2573220 2456540 14.29 250764 4171328 2872 Average: 11988044 14226820 4151272 25.72 2688 2442166 1923602 11.19 217592 3515234 109894 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 170.42 131.16 1963.05 26.46 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 27.73 27.73 7.29 7.29 0.00 0.00 0.00 0.00 04:03:01 AM eth0 317.11 248.73 3675.10 52.68 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 Average: lo 13.86 13.86 3.64 3.64 0.00 0.00 0.00 0.00 Average: eth0 243.75 189.93 2818.86 39.57 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) 04:00:10 LINUX RESTART (4 CPU) 04:01:01 AM CPU %user %nice %system %iowait %steal %idle 04:02:01 AM all 25.77 0.00 2.66 0.86 0.03 70.69 04:02:01 AM 0 30.72 0.00 3.97 1.20 0.03 64.08 04:02:01 AM 1 19.96 0.00 2.55 1.05 0.03 76.41 04:02:01 AM 2 16.84 0.00 1.54 0.44 0.02 81.16 04:02:01 AM 3 35.55 0.00 2.56 0.75 0.03 61.10 04:03:01 AM all 49.96 0.00 2.39 0.87 0.03 46.75 04:03:01 AM 0 51.76 0.00 2.08 0.70 0.05 45.41 04:03:01 AM 1 43.96 0.00 2.14 0.89 0.02 53.00 04:03:01 AM 2 46.09 0.00 2.72 0.84 0.03 50.32 04:03:01 AM 3 58.07 0.00 2.61 1.05 0.02 38.25 Average: all 37.87 0.00 2.52 0.87 0.03 58.72 Average: 0 41.24 0.00 3.02 0.95 0.04 54.75 Average: 1 31.95 0.00 2.35 0.97 0.03 64.71 Average: 2 31.48 0.00 2.13 0.64 0.03 65.72 Average: 3 46.81 0.00 2.59 0.90 0.03 49.68