---> uname -a: Linux prd-centos8-docker-4c-4g-1978.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 776 12193 20 2790 14644 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:ea:75:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.107/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85966sec preferred_lft 85966sec inet6 fe80::f816:3eff:feea:75ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:98:62:96:a9 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) 11/02/2026 _x86_64_ (4 CPU) 09:30:00 LINUX RESTART (4 CPU) 09:31:02 AM tps rtps wtps bread/s bwrtn/s 09:32:01 AM 70.99 0.34 70.65 33.08 6190.87 09:33:01 AM 175.36 18.74 156.61 3512.16 13121.79 09:34:01 AM 107.70 3.07 104.63 764.81 6154.16 09:35:01 AM 26.94 0.00 26.94 0.00 7492.22 09:36:01 AM 5.15 1.70 3.45 51.06 216.00 09:37:01 AM 7.90 1.30 6.60 98.77 429.84 Average: 65.66 4.20 61.46 745.33 5599.29 09:31:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 AM 13314584 15120488 2824732 17.50 2688 2021560 1088824 6.33 146608 2319216 173976 09:33:01 AM 12676452 14841260 3462864 21.46 2688 2369460 1326764 7.72 166740 2888904 104700 09:34:01 AM 10920192 13382944 5219124 32.34 2688 2662172 2599532 15.12 253068 4533684 216412 09:35:01 AM 10390804 12858236 5748512 35.62 2688 2666684 2958444 17.21 261460 5051864 1500 09:36:01 AM 9430620 11906848 6708696 41.57 2688 2675320 3877580 22.56 265420 6005296 4564 09:37:01 AM 12441784 14961588 3697532 22.91 2688 2717316 1188276 6.91 465460 2799968 47072 Average: 11529073 13845227 4610243 28.57 2688 2518752 2173237 12.64 259793 3933155 91371 09:31:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 79.48 54.41 1084.69 13.76 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM eth0 136.25 115.01 1619.35 22.44 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM eth0 338.58 265.14 4088.09 28.88 0.00 0.00 0.00 0.00 09:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM eth0 131.36 81.61 62.23 72.76 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM eth0 147.46 89.00 56.11 54.34 0.00 0.00 0.00 0.00 09:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 AM lo 6.78 6.78 0.82 0.82 0.00 0.00 0.00 0.00 09:37:01 AM eth0 22.88 19.86 46.72 8.41 0.00 0.00 0.00 0.00 09:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 142.84 104.31 1159.69 33.48 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) 11/02/2026 _x86_64_ (4 CPU) 09:30:00 LINUX RESTART (4 CPU) 09:31:02 AM CPU %user %nice %system %iowait %steal %idle 09:32:01 AM all 10.94 0.00 1.09 0.37 0.00 87.61 09:32:01 AM 0 10.47 0.00 1.21 0.48 0.00 87.85 09:32:01 AM 1 17.53 0.00 1.27 0.41 0.00 80.78 09:32:01 AM 2 5.35 0.00 0.66 0.17 0.00 93.82 09:32:01 AM 3 10.37 0.00 1.21 0.41 0.00 88.01 09:33:01 AM all 17.35 0.00 1.76 1.00 0.02 79.86 09:33:01 AM 0 29.49 0.00 2.35 0.70 0.03 67.42 09:33:01 AM 1 13.92 0.00 1.47 0.95 0.02 83.64 09:33:01 AM 2 13.48 0.00 1.29 0.64 0.02 84.58 09:33:01 AM 3 12.50 0.00 1.92 1.72 0.02 83.83 09:34:01 AM all 60.95 0.00 2.01 0.41 0.03 36.60 09:34:01 AM 0 60.23 0.00 1.70 0.47 0.02 37.58 09:34:01 AM 1 61.45 0.00 2.98 0.75 0.03 34.78 09:34:01 AM 2 57.18 0.00 1.84 0.07 0.02 40.89 09:34:01 AM 3 64.91 0.00 1.54 0.37 0.03 33.15 09:35:01 AM all 35.49 0.00 1.42 0.16 0.02 62.90 09:35:01 AM 0 29.68 0.00 1.67 0.13 0.03 68.48 09:35:01 AM 1 38.47 0.00 1.30 0.52 0.02 59.70 09:35:01 AM 2 33.60 0.00 1.57 0.00 0.02 64.81 09:35:01 AM 3 40.21 0.00 1.15 0.00 0.02 58.62 09:36:01 AM all 29.58 0.00 1.34 0.03 0.01 69.05 09:36:01 AM 0 20.85 0.00 0.75 0.00 0.00 78.40 09:36:01 AM 1 54.08 0.00 2.04 0.07 0.03 43.78 09:36:01 AM 2 19.07 0.00 1.37 0.03 0.02 79.51 09:36:01 AM 3 24.28 0.00 1.20 0.00 0.00 74.52 09:37:01 AM all 50.08 0.00 1.59 0.03 0.02 48.27 09:37:01 AM 0 53.22 0.00 2.02 0.02 0.02 44.73 09:37:01 AM 1 53.87 0.00 2.49 0.07 0.02 43.56 09:37:01 AM 2 43.34 0.00 1.20 0.05 0.00 55.40 09:37:01 AM 3 49.90 0.00 0.67 0.00 0.03 49.40 Average: all 34.13 0.00 1.54 0.33 0.02 63.98 Average: 0 34.05 0.00 1.62 0.30 0.02 64.01 Average: 1 39.95 0.00 1.93 0.46 0.02 57.65 Average: 2 28.75 0.00 1.32 0.16 0.01 69.76 Average: 3 33.78 0.00 1.28 0.42 0.02 64.51