---> uname -a: Linux prd-centos8-docker-4c-4g-4102.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 872 11947 20 2941 14538 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:24:6e:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.149/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86122sec preferred_lft 86122sec inet6 fe80::f816:3eff:fe24:6ed1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:de:f6:e8:bf 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:deff:fef6:e8bf/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) 09/22/2026 _x86_64_ (4 CPU) 07:28:23 LINUX RESTART (4 CPU) 07:29:01 AM tps rtps wtps bread/s bwrtn/s 07:30:01 AM 157.31 2.40 154.91 331.54 11151.31 07:31:01 AM 119.96 0.80 119.16 862.37 11229.49 07:32:01 AM 136.34 2.15 134.19 3260.78 19995.80 07:33:01 AM 24.51 1.38 23.13 127.29 1218.59 Average: 109.53 1.68 107.84 1145.52 10898.80 07:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 AM 12945592 14962552 3193724 19.79 2688 2224368 1481460 8.62 165028 2630904 222872 07:31:01 AM 12099244 14258184 4040072 25.03 2688 2360276 2103184 12.24 205844 3410996 40292 07:32:01 AM 12279612 14927232 3859704 23.91 2688 2835800 1367456 7.96 342360 3034216 232 07:33:01 AM 12186480 14847624 3952836 24.49 2688 2847732 1300980 7.57 542084 2927964 6408 Average: 12377732 14748898 3761584 23.31 2688 2567044 1563270 9.10 313829 3001020 67451 07:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 AM eth0 208.87 139.91 2095.12 33.93 0.00 0.00 0.00 0.00 07:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:31:01 AM eth0 160.84 132.48 767.10 41.27 0.00 0.00 0.00 0.00 07:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 148.47 87.27 2123.96 77.15 0.00 0.00 0.00 0.00 07:32:01 AM docker0 24.53 18.24 63.23 5.52 0.00 0.00 0.00 0.00 07:32:01 AM veth2cbf7e1 24.53 18.28 63.57 5.52 0.00 0.00 0.00 0.01 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 111.06 122.71 54.90 222.51 0.00 0.00 0.00 0.00 07:33:01 AM docker0 18.78 14.36 67.94 4.25 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 157.31 120.59 1260.21 93.72 0.00 0.00 0.00 0.00 Average: docker0 10.83 8.15 32.79 2.44 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) 09/22/2026 _x86_64_ (4 CPU) 07:28:23 LINUX RESTART (4 CPU) 07:29:01 AM CPU %user %nice %system %iowait %steal %idle 07:30:01 AM all 27.73 0.00 2.46 0.69 0.02 69.10 07:30:01 AM 0 33.66 0.00 2.74 0.67 0.03 62.90 07:30:01 AM 1 23.53 0.00 2.22 0.75 0.02 73.49 07:30:01 AM 2 33.58 0.00 2.69 0.59 0.03 63.11 07:30:01 AM 3 20.13 0.00 2.18 0.75 0.00 76.93 07:31:01 AM all 65.65 0.00 2.99 0.76 0.02 30.59 07:31:01 AM 0 67.38 0.00 3.23 0.47 0.02 28.91 07:31:01 AM 1 66.66 0.00 3.31 0.77 0.02 29.24 07:31:01 AM 2 63.76 0.00 2.70 0.59 0.02 32.94 07:31:01 AM 3 64.78 0.00 2.71 1.20 0.02 31.29 07:32:01 AM all 30.03 0.00 3.99 0.77 0.02 65.19 07:32:01 AM 0 30.93 0.00 4.59 1.02 0.02 63.44 07:32:01 AM 1 24.39 0.00 3.55 0.59 0.02 71.45 07:32:01 AM 2 25.58 0.00 3.43 0.91 0.02 70.07 07:32:01 AM 3 39.22 0.00 4.38 0.55 0.03 55.81 07:33:01 AM all 20.49 0.00 2.30 0.08 0.01 77.11 07:33:01 AM 0 16.06 0.00 2.00 0.08 0.02 81.83 07:33:01 AM 1 28.58 0.00 3.08 0.08 0.02 68.24 07:33:01 AM 2 28.28 0.00 2.39 0.10 0.02 69.22 07:33:01 AM 3 9.04 0.00 1.74 0.07 0.00 89.15 Average: all 35.97 0.00 2.93 0.57 0.02 60.50 Average: 0 36.99 0.00 3.14 0.56 0.02 59.29 Average: 1 35.79 0.00 3.04 0.55 0.02 60.60 Average: 2 37.80 0.00 2.80 0.54 0.02 58.83 Average: 3 33.30 0.00 2.75 0.64 0.01 63.29