---> uname -a: Linux prd-centos8-docker-4c-4g-6571.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 764 12090 20 2905 14657 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:86:33:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fe86:33ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c7:ca:fb:c9 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) 10/30/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 54.86 0.20 54.66 30.00 4539.21 01:26:01 PM 128.24 15.00 113.25 3222.39 12605.73 01:27:01 PM 186.33 5.73 180.60 1041.33 11487.00 01:28:01 PM 47.68 1.85 45.83 101.57 5943.24 Average: 104.27 5.69 98.58 1098.87 8643.73 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13345436 15113008 2793880 17.31 2688 1984512 1109876 6.46 140828 2298544 158520 01:26:01 PM 12750468 14833308 3388848 21.00 2688 2290472 1347212 7.84 159068 2831052 57376 01:27:01 PM 11261960 13636976 4877356 30.22 2688 2576080 2884204 16.78 254896 4192356 14536 01:28:01 PM 12377784 15004504 3761532 23.31 2688 2825748 1159732 6.75 353092 2981608 90692 Average: 12433912 14646949 3705404 22.96 2688 2419203 1625256 9.46 226971 3075890 80281 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 68.44 43.38 905.20 6.22 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 83.52 58.55 882.96 17.10 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 15.23 15.23 1.69 1.69 0.00 0.00 0.00 0.00 01:27:01 PM eth0 299.88 247.90 3983.26 51.57 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 16.66 16.66 6.62 6.62 0.00 0.00 0.00 0.00 01:28:01 PM eth0 106.65 88.72 290.82 954.75 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.97 7.97 2.08 2.08 0.00 0.00 0.00 0.00 Average: eth0 139.61 109.63 1515.38 257.43 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) 10/30/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 8.83 0.00 0.85 0.33 0.00 89.99 01:25:01 PM 0 12.58 0.00 1.65 0.55 0.00 85.22 01:25:01 PM 1 7.46 0.00 0.57 0.13 0.02 91.82 01:25:01 PM 2 10.94 0.00 0.82 0.40 0.00 87.84 01:25:01 PM 3 4.34 0.00 0.37 0.22 0.00 95.07 01:26:01 PM all 13.52 0.00 1.44 0.80 0.00 84.24 01:26:01 PM 0 24.43 0.00 1.99 0.57 0.00 73.02 01:26:01 PM 1 11.08 0.00 1.22 0.92 0.00 86.79 01:26:01 PM 2 8.04 0.00 0.87 0.47 0.02 90.61 01:26:01 PM 3 10.53 0.00 1.67 1.24 0.00 86.56 01:27:01 PM all 51.38 0.00 2.24 0.92 0.02 45.43 01:27:01 PM 0 48.20 0.00 3.08 1.79 0.02 46.91 01:27:01 PM 1 61.64 0.00 1.67 0.84 0.03 35.82 01:27:01 PM 2 53.22 0.00 1.82 0.60 0.02 44.34 01:27:01 PM 3 42.46 0.00 2.41 0.45 0.02 54.66 01:28:01 PM all 15.36 0.00 1.55 0.33 0.01 82.76 01:28:01 PM 0 9.74 0.00 1.79 0.62 0.02 87.84 01:28:01 PM 1 24.90 0.00 2.20 0.40 0.02 72.48 01:28:01 PM 2 11.87 0.00 1.49 0.25 0.00 86.39 01:28:01 PM 3 14.90 0.00 0.72 0.03 0.00 84.34 Average: all 22.26 0.00 1.52 0.59 0.01 75.61 Average: 0 23.73 0.00 2.13 0.88 0.01 73.25 Average: 1 26.26 0.00 1.41 0.57 0.02 71.74 Average: 2 21.01 0.00 1.25 0.43 0.01 77.30 Average: 3 18.05 0.00 1.29 0.48 0.00 80.17