---> uname -a: Linux prd-centos8-docker-4c-4g-17970.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1479 10474 20 3807 13939 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:d8:5c:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.69/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85969sec preferred_lft 85969sec inet6 fe80::f816:3eff:fed8:5c76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:88:9b:a1:c6 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) 09/05/2026 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 141.05 17.11 123.94 3406.43 9862.34 12:35:01 AM 180.50 5.83 174.67 927.98 44672.90 12:36:01 AM 95.50 1.87 93.64 118.49 10451.28 12:37:01 AM 6.90 0.00 6.90 0.00 360.86 12:38:01 AM 4.72 2.75 1.97 162.21 243.77 12:39:01 AM 28.10 2.68 25.41 92.25 1685.10 Average: 76.13 5.04 71.09 784.67 11212.31 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12839616 14934284 3299700 20.45 2688 2302696 1449740 8.43 183076 2724304 240040 12:35:01 AM 11254828 14495008 4884488 30.26 2688 3442216 1592692 9.27 223212 4241440 68016 12:36:01 AM 8362056 11836104 7777260 48.19 2688 3671540 4315348 25.11 311180 7023280 3724 12:37:01 AM 8464440 11942844 7674876 47.55 2688 3675800 4087652 23.78 311508 6920928 1060 12:38:01 AM 7429800 10919860 8709516 53.96 2688 3687132 5098912 29.67 323056 7939008 1088 12:39:01 AM 10801012 14346780 5338304 33.08 2688 3741760 1665880 9.69 407132 4492552 16492 Average: 9858625 13079147 6280691 38.92 2688 3420191 3035037 17.66 293194 5556919 55070 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 139.95 97.47 1828.63 18.87 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 847.21 599.33 18424.47 55.56 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 273.46 210.71 3454.01 39.70 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 221.61 149.98 117.41 114.32 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 5.96 5.96 0.74 0.74 0.00 0.00 0.00 0.00 12:38:01 AM eth0 139.14 94.80 68.68 64.87 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.78 0.78 0.08 0.08 0.00 0.00 0.00 0.00 12:39:01 AM eth0 240.04 149.43 630.91 217.56 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 310.22 216.94 4087.10 85.14 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) 09/05/2026 _x86_64_ (4 CPU) 00:32:23 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 21.97 0.00 2.08 0.66 0.01 75.27 12:34:01 AM 0 33.96 0.00 3.57 1.32 0.02 61.14 12:34:01 AM 1 15.58 0.00 1.72 0.47 0.02 82.22 12:34:01 AM 2 23.48 0.00 1.64 0.40 0.00 74.48 12:34:01 AM 3 14.84 0.00 1.40 0.47 0.00 83.28 12:35:01 AM all 31.86 0.00 2.25 1.75 0.03 64.11 12:35:01 AM 0 33.89 0.00 3.43 1.08 0.02 61.59 12:35:01 AM 1 30.89 0.00 1.77 1.04 0.05 66.25 12:35:01 AM 2 30.65 0.00 2.41 3.15 0.02 63.78 12:35:01 AM 3 32.03 0.00 1.40 1.75 0.02 64.80 12:36:01 AM all 64.25 0.00 2.02 0.34 0.04 33.35 12:36:01 AM 0 68.32 0.00 1.96 0.42 0.07 29.23 12:36:01 AM 1 52.18 0.00 2.57 0.54 0.02 44.70 12:36:01 AM 2 65.77 0.00 1.78 0.28 0.05 32.12 12:36:01 AM 3 70.70 0.00 1.79 0.12 0.03 27.36 12:37:01 AM all 23.50 0.00 1.44 0.02 0.01 75.03 12:37:01 AM 0 26.52 0.00 1.29 0.02 0.03 72.15 12:37:01 AM 1 23.10 0.00 1.49 0.00 0.00 75.41 12:37:01 AM 2 25.83 0.00 1.24 0.00 0.00 72.94 12:37:01 AM 3 18.53 0.00 1.74 0.07 0.02 79.65 12:38:01 AM all 36.15 0.00 1.30 0.03 0.02 62.51 12:38:01 AM 0 25.84 0.00 1.10 0.00 0.00 73.06 12:38:01 AM 1 24.94 0.00 1.12 0.02 0.02 73.91 12:38:01 AM 2 58.72 0.00 1.41 0.02 0.05 39.81 12:38:01 AM 3 35.09 0.00 1.57 0.08 0.00 63.25 12:39:01 AM all 48.84 0.00 1.57 0.15 0.03 49.40 12:39:01 AM 0 49.77 0.00 1.52 0.20 0.05 48.45 12:39:01 AM 1 49.97 0.00 1.19 0.08 0.02 48.74 12:39:01 AM 2 36.68 0.00 1.66 0.22 0.03 61.41 12:39:01 AM 3 58.94 0.00 1.94 0.08 0.03 39.01 Average: all 37.75 0.00 1.78 0.49 0.02 59.95 Average: 0 39.71 0.00 2.14 0.50 0.03 57.61 Average: 1 32.77 0.00 1.64 0.36 0.02 65.21 Average: 2 40.18 0.00 1.69 0.68 0.03 57.43 Average: 3 38.36 0.00 1.64 0.43 0.02 59.55