---> uname -a: Linux prd-centos8-docker-4c-4g-12032.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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1031 10806 19 3922 14379 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:4e:5c:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.171/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fe4e:5c86/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7f:c4:fc:68 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 inet6 fe80::42:7fff:fec4:fc68/64 scope link 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) 06/15/2026 _x86_64_ (4 CPU) 12:25:59 LINUX RESTART (4 CPU) 12:27:01 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 246.02 6.05 239.97 783.07 17158.58 12:29:01 PM 347.03 2.40 344.63 480.19 37140.26 12:30:01 PM 869.86 111.33 758.53 1939.09 20566.21 Average: 487.64 39.93 447.71 1067.48 24954.34 12:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 11490524 13697852 4648788 28.80 2688 2409672 2534460 14.75 206584 4022232 155012 12:29:01 PM 10391500 13862092 5747812 35.61 2688 3526320 1904128 11.08 352044 4667224 371868 12:30:01 PM 10128636 13747584 6010676 37.24 2688 3608240 2107632 12.26 417592 4690048 16968 Average: 10670220 13769176 5469092 33.89 2688 3181411 2182073 12.70 325407 4459835 181283 12:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 296.08 240.74 3904.28 41.92 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 6.48 6.48 4.55 4.55 0.00 0.00 0.00 0.00 12:29:01 PM eth0 415.25 241.29 4078.67 35.00 0.00 0.00 0.00 0.00 12:29:01 PM docker0 3.32 3.15 4.09 0.45 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 4.63 3.83 58.49 0.75 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.16 2.16 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 238.64 161.95 2680.40 25.89 0.00 0.00 0.00 0.00 Average: docker0 1.11 1.05 1.36 0.15 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) 06/15/2026 _x86_64_ (4 CPU) 12:25:59 LINUX RESTART (4 CPU) 12:27:01 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 35.91 0.00 2.24 1.15 0.08 60.62 12:28:01 PM 0 42.87 0.00 3.56 1.67 0.08 51.81 12:28:01 PM 1 28.81 0.00 1.72 1.00 0.08 68.38 12:28:01 PM 2 37.82 0.00 2.04 1.15 0.08 58.90 12:28:01 PM 3 34.15 0.00 1.62 0.79 0.07 63.38 12:29:01 PM all 36.11 0.08 8.74 2.15 0.10 52.82 12:29:01 PM 0 29.66 0.09 9.22 3.45 0.10 57.49 12:29:01 PM 1 30.68 0.12 7.48 1.33 0.09 60.31 12:29:01 PM 2 41.49 0.07 9.08 2.60 0.09 46.68 12:29:01 PM 3 42.58 0.05 9.18 1.24 0.12 46.82 12:30:01 PM all 35.83 0.00 4.06 6.07 0.11 53.93 12:30:01 PM 0 19.29 0.00 3.86 7.01 0.10 69.74 12:30:01 PM 1 37.24 0.00 4.26 5.59 0.12 52.79 12:30:01 PM 2 65.91 0.00 4.41 5.05 0.12 24.51 12:30:01 PM 3 20.88 0.00 3.69 6.62 0.10 68.71 Average: all 35.95 0.03 4.98 3.13 0.10 55.81 Average: 0 30.62 0.03 5.52 4.05 0.10 59.69 Average: 1 32.25 0.04 4.46 2.65 0.10 60.50 Average: 2 48.44 0.02 5.15 2.93 0.10 43.36 Average: 3 32.49 0.02 4.81 2.89 0.10 59.70