---> uname -a: Linux prd-centos8-docker-4c-4g-2973.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 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 744 12121 20 2895 14678 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:7b:5f:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fe7b:5f11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:fb:f3:15 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) 10/19/2026 _x86_64_ (4 CPU) 01:24:59 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 133.71 9.38 124.33 1358.31 5532.73 01:28:01 AM 111.21 14.66 96.55 3203.33 8129.65 01:29:01 AM 219.03 5.88 213.15 1043.39 15313.45 01:30:01 AM 45.39 1.30 44.09 81.56 2373.51 Average: 127.33 7.81 119.53 1421.52 7837.19 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 13437512 15091460 2701804 16.74 2688 1880132 1185032 6.89 142712 2238016 60832 01:28:01 AM 12961576 15024260 3177740 19.69 2688 2271800 1435300 8.35 152604 2638764 185296 01:29:01 AM 11567880 13933008 4571436 28.32 2688 2566772 2159660 12.57 245520 3899144 48708 01:30:01 AM 12370864 14995076 3768452 23.35 2688 2823928 1183256 6.88 528520 2814316 270676 Average: 12584458 14760951 3554858 22.03 2688 2385658 1490812 8.67 267339 2897560 141378 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 171.97 104.82 1151.88 44.89 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 84.02 56.37 877.91 11.27 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 4.38 4.38 0.50 0.50 0.00 0.00 0.00 0.00 01:29:01 AM eth0 377.37 285.80 4107.08 56.59 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 27.50 27.50 7.80 7.80 0.00 0.00 0.00 0.00 01:30:01 AM eth0 91.22 64.65 285.84 45.44 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 7.97 7.97 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 181.15 127.91 1605.67 39.55 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) 10/19/2026 _x86_64_ (4 CPU) 01:24:59 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 10.93 0.00 1.42 0.81 0.01 86.83 01:27:01 AM 0 7.70 0.00 1.07 0.22 0.00 91.01 01:27:01 AM 1 6.93 0.00 0.84 0.43 0.02 91.78 01:27:01 AM 2 19.25 0.00 1.80 0.65 0.02 78.28 01:27:01 AM 3 9.85 0.00 1.96 1.94 0.02 86.23 01:28:01 AM all 13.62 0.00 1.44 0.87 0.01 84.06 01:28:01 AM 0 10.57 0.00 1.07 0.28 0.02 88.06 01:28:01 AM 1 9.37 0.00 1.15 0.72 0.00 88.76 01:28:01 AM 2 6.93 0.00 1.15 1.49 0.00 90.43 01:28:01 AM 3 27.59 0.00 2.37 0.99 0.03 69.02 01:29:01 AM all 50.86 0.00 2.93 1.73 0.03 44.46 01:29:01 AM 0 49.67 0.00 3.51 1.35 0.02 45.44 01:29:01 AM 1 55.82 0.00 1.96 0.94 0.03 41.26 01:29:01 AM 2 54.98 0.00 2.64 1.37 0.03 40.98 01:29:01 AM 3 42.93 0.00 3.60 3.27 0.02 50.18 01:30:01 AM all 27.89 0.00 2.17 0.30 0.02 69.62 01:30:01 AM 0 18.89 0.00 2.09 0.20 0.02 78.80 01:30:01 AM 1 42.24 0.00 2.00 0.07 0.02 55.67 01:30:01 AM 2 36.55 0.00 2.25 0.35 0.05 60.80 01:30:01 AM 3 13.87 0.00 2.32 0.57 0.00 83.24 Average: all 25.82 0.00 1.99 0.93 0.02 71.25 Average: 0 21.70 0.00 1.93 0.51 0.01 75.84 Average: 1 28.59 0.00 1.49 0.54 0.02 69.37 Average: 2 29.44 0.00 1.96 0.97 0.03 67.61 Average: 3 23.55 0.00 2.56 1.69 0.02 72.18