---> uname -a: Linux prd-centos8-docker-4c-4g-7312.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: 2799.998 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 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 810 12040 19 2909 14613 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:db:5c:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.11/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fedb:5ca5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:a0:b1:84: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) 06/06/2026 _x86_64_ (4 CPU) 06:27:36 LINUX RESTART (4 CPU) 06:28:01 AM tps rtps wtps bread/s bwrtn/s 06:29:01 AM 182.03 20.57 161.46 4017.85 10147.30 06:30:01 AM 228.58 6.35 222.23 1081.69 18706.62 06:31:01 AM 30.44 0.57 29.87 21.86 893.44 Average: 147.02 9.16 137.85 1707.42 9915.32 06:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:29:01 AM 12872288 14955360 3267032 20.24 2688 2290688 1351972 7.87 153360 2717460 248800 06:30:01 AM 11354572 13736392 4784748 29.65 2688 2582580 2998868 17.45 250916 4105236 12304 06:31:01 AM 12347432 14969608 3791888 23.49 2688 2821496 1219488 7.10 521184 2846556 246472 Average: 12191431 14553787 3947889 24.46 2688 2564921 1856776 10.80 308487 3223084 169192 06:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 AM eth0 144.02 105.95 2010.35 35.56 0.00 0.00 0.00 0.00 06:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 AM lo 12.01 12.01 3.45 3.45 0.00 0.00 0.00 0.00 06:30:01 AM eth0 374.87 256.72 4085.61 60.21 0.00 0.00 0.00 0.00 06:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 AM lo 16.96 16.96 2.64 2.64 0.00 0.00 0.00 0.00 06:31:01 AM eth0 53.08 45.10 273.22 28.57 0.00 0.00 0.00 0.00 06:31:01 AM 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 190.64 135.91 2122.94 41.44 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) 06/06/2026 _x86_64_ (4 CPU) 06:27:36 LINUX RESTART (4 CPU) 06:28:01 AM CPU %user %nice %system %iowait %steal %idle 06:29:01 AM all 23.49 0.00 2.54 1.15 0.10 72.72 06:29:01 AM 0 24.35 0.00 2.55 0.82 0.12 72.17 06:29:01 AM 1 29.99 0.00 2.79 1.65 0.10 65.47 06:29:01 AM 2 16.42 0.00 1.97 0.85 0.10 80.66 06:29:01 AM 3 23.18 0.00 2.84 1.29 0.08 72.60 06:30:01 AM all 57.82 0.00 2.60 1.26 0.16 38.16 06:30:01 AM 0 68.42 0.00 1.65 0.75 0.13 29.04 06:30:01 AM 1 62.60 0.00 2.52 1.09 0.17 33.63 06:30:01 AM 2 54.68 0.00 3.72 2.09 0.18 39.32 06:30:01 AM 3 45.52 0.00 2.50 1.12 0.17 50.70 06:31:01 AM all 14.32 0.00 1.17 0.17 0.07 84.28 06:31:01 AM 0 14.35 0.00 1.47 0.23 0.07 83.88 06:31:01 AM 1 14.18 0.00 0.72 0.23 0.07 84.81 06:31:01 AM 2 9.31 0.00 1.29 0.08 0.07 89.25 06:31:01 AM 3 19.44 0.00 1.19 0.13 0.07 79.17 Average: all 31.86 0.00 2.10 0.86 0.11 65.06 Average: 0 35.70 0.00 1.89 0.60 0.11 61.70 Average: 1 35.59 0.00 2.01 0.99 0.11 61.30 Average: 2 26.78 0.00 2.33 1.01 0.12 69.76 Average: 3 29.36 0.00 2.17 0.85 0.11 67.51