---> uname -a: Linux prd-centos8-docker-4c-4g-7174.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 775 12190 20 2794 14645 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:96:a0:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.164/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86024sec preferred_lft 86024sec inet6 fe80::f816:3eff:fe96:a05a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:5c:0e:af 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) 10/05/2026 _x86_64_ (4 CPU) 09:19:23 LINUX RESTART (4 CPU) 09:20:01 AM tps rtps wtps bread/s bwrtn/s 09:21:01 AM 144.73 14.98 129.75 3132.43 10313.71 09:22:01 AM 201.42 7.31 194.10 1036.55 13403.60 09:23:01 AM 30.41 0.05 30.36 1.07 7764.36 09:24:01 AM 3.85 0.00 3.85 0.00 311.70 09:25:01 AM 9.25 3.12 6.13 257.20 297.08 Average: 77.94 5.09 72.84 885.54 6418.45 09:20:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:21:01 AM 12837144 14934076 3302172 20.46 2688 2304572 1255308 7.30 158256 2747024 233248 09:22:01 AM 11730508 14185004 4408808 27.32 2688 2655204 1867400 10.86 240432 3740944 215408 09:23:01 AM 9477856 11946748 6661460 41.27 2688 2668468 3893204 22.65 263376 5959768 3736 09:24:01 AM 9434140 11906708 6705176 41.55 2688 2672080 3925232 22.84 263404 6003024 1040 09:25:01 AM 11099164 13601880 5040152 31.23 2688 2701056 2324904 13.53 280288 4321476 16740 Average: 10915762 13314883 5223554 32.37 2688 2600276 2653210 15.44 241151 4554447 94034 09:20:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM eth0 118.47 83.31 1872.83 18.21 0.00 0.00 0.00 0.00 09:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 AM eth0 375.56 314.91 4950.97 47.62 0.00 0.00 0.00 0.00 09:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:01 AM eth0 41.35 32.01 14.66 26.31 0.00 0.00 0.00 0.00 09:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 AM eth0 215.68 141.19 86.95 85.96 0.00 0.00 0.00 0.00 09:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 AM lo 6.55 6.55 0.80 0.80 0.00 0.00 0.00 0.00 09:25:01 AM eth0 75.18 54.36 64.34 35.58 0.00 0.00 0.00 0.00 09:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 165.25 125.16 1398.08 42.73 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) 10/05/2026 _x86_64_ (4 CPU) 09:19:23 LINUX RESTART (4 CPU) 09:20:01 AM CPU %user %nice %system %iowait %steal %idle 09:21:01 AM all 22.77 0.00 2.25 0.73 0.02 74.23 09:21:01 AM 0 16.85 0.00 1.97 0.87 0.02 80.29 09:21:01 AM 1 17.84 0.00 1.62 0.62 0.02 79.90 09:21:01 AM 2 34.70 0.00 3.31 1.05 0.03 60.91 09:21:01 AM 3 21.69 0.00 2.11 0.37 0.00 75.83 09:22:01 AM all 52.08 0.00 2.43 1.10 0.02 44.36 09:22:01 AM 0 45.41 0.00 3.13 1.53 0.00 49.93 09:22:01 AM 1 54.24 0.00 2.39 1.24 0.03 42.09 09:22:01 AM 2 53.94 0.00 1.86 0.77 0.02 43.42 09:22:01 AM 3 54.72 0.00 2.36 0.89 0.02 42.02 09:23:01 AM all 66.64 0.00 1.62 0.18 0.02 31.55 09:23:01 AM 0 79.31 0.00 2.54 0.02 0.02 18.11 09:23:01 AM 1 73.25 0.00 0.97 0.00 0.03 25.75 09:23:01 AM 2 64.52 0.00 1.34 0.07 0.02 34.06 09:23:01 AM 3 49.44 0.00 1.64 0.62 0.02 48.29 09:24:01 AM all 16.10 0.00 1.70 0.01 0.00 82.18 09:24:01 AM 0 17.31 0.00 1.32 0.00 0.00 81.37 09:24:01 AM 1 21.09 0.00 1.75 0.00 0.00 77.15 09:24:01 AM 2 13.27 0.00 2.17 0.03 0.00 84.53 09:24:01 AM 3 12.73 0.00 1.57 0.02 0.02 85.66 09:25:01 AM all 51.11 0.00 1.46 0.05 0.02 47.36 09:25:01 AM 0 58.87 0.00 1.70 0.05 0.03 39.35 09:25:01 AM 1 63.12 0.00 1.57 0.10 0.03 35.18 09:25:01 AM 2 42.38 0.00 1.25 0.02 0.02 56.34 09:25:01 AM 3 40.08 0.00 1.30 0.03 0.00 58.59 Average: all 41.74 0.00 1.89 0.41 0.02 55.94 Average: 0 43.55 0.00 2.13 0.49 0.01 53.81 Average: 1 45.92 0.00 1.66 0.39 0.02 52.00 Average: 2 41.76 0.00 1.98 0.39 0.02 55.85 Average: 3 35.73 0.00 1.80 0.38 0.01 62.08