---> uname -a: Linux prd-centos8-docker-4c-4g-16709.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 759 12210 20 2791 14662 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:d4:be:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86056sec preferred_lft 86056sec inet6 fe80::f816:3eff:fed4:be49/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:09:5a:2b:fb 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) 08/31/2026 _x86_64_ (4 CPU) 05:19:42 LINUX RESTART (4 CPU) 05:20:00 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 2.94 2.94 0.00 111.76 0.00 05:21:01 AM 233.89 20.63 213.26 5493.24 9731.47 05:22:01 AM 235.99 21.86 214.13 4136.75 17281.96 05:23:01 AM 57.66 0.05 57.61 1.07 8303.90 05:24:01 AM 4.00 0.00 4.00 0.00 317.46 05:25:01 AM 7.52 2.87 4.65 174.90 346.34 Average: 107.34 9.05 98.29 1952.78 7164.06 05:20:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 14070800 15433228 2068508 12.82 2688 1594700 779868 4.54 92480 1680096 13796 05:21:01 AM 13141016 15032048 2998292 18.58 2688 2103868 1193204 6.94 159216 2468560 243468 05:22:01 AM 11794992 14075088 4344316 26.92 2688 2481924 1735304 10.10 234832 3678204 46044 05:23:01 AM 9925328 12395284 6213980 38.50 2688 2669880 3529996 20.54 261756 5513120 2052 05:24:01 AM 8884048 11359980 7255260 44.95 2688 2675664 4249424 24.72 263416 6549908 1532 05:25:01 AM 12507372 15007368 3631936 22.50 2688 2698524 1149564 6.69 457220 2740228 21548 Average: 11720593 13883833 4418715 27.38 2688 2370760 2106227 12.25 244820 3771686 54740 05:20:00 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 7.35 5.88 1.44 1.73 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 325.17 207.51 2182.86 71.87 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 230.99 206.16 2706.99 35.98 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM eth0 286.89 200.87 2982.22 82.44 0.00 0.00 0.00 0.00 05:23:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:24:01 AM eth0 169.43 113.15 74.14 72.25 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM lo 6.42 6.42 0.79 0.79 0.00 0.00 0.00 0.00 05:25:01 AM eth0 25.91 22.45 11.93 13.37 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 206.79 149.38 1584.60 54.94 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) 08/31/2026 _x86_64_ (4 CPU) 05:19:42 LINUX RESTART (4 CPU) 05:20:00 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 87.95 0.00 6.59 0.00 0.00 5.46 05:20:01 AM 0 88.19 0.00 7.87 0.00 0.00 3.94 05:20:01 AM 1 79.85 0.00 5.97 0.00 0.00 14.18 05:20:01 AM 2 91.85 0.00 5.93 0.00 0.00 2.22 05:20:01 AM 3 91.85 0.00 6.67 0.00 0.00 1.48 05:21:01 AM all 25.13 0.00 3.02 1.31 0.02 70.52 05:21:01 AM 0 28.03 0.00 3.91 3.49 0.02 64.56 05:21:01 AM 1 25.30 0.00 3.09 0.60 0.02 70.99 05:21:01 AM 2 28.48 0.00 2.81 0.69 0.02 68.00 05:21:01 AM 3 18.72 0.00 2.26 0.47 0.02 78.53 05:22:01 AM all 48.28 0.00 2.60 1.32 0.02 47.78 05:22:01 AM 0 49.07 0.00 2.25 0.77 0.02 47.90 05:22:01 AM 1 51.97 0.00 3.24 1.77 0.02 43.00 05:22:01 AM 2 47.52 0.00 2.73 2.11 0.02 47.62 05:22:01 AM 3 44.55 0.00 2.18 0.65 0.02 52.60 05:23:01 AM all 50.81 0.00 1.68 0.23 0.02 47.27 05:23:01 AM 0 42.69 0.00 2.17 0.37 0.02 54.75 05:23:01 AM 1 53.34 0.00 1.23 0.07 0.02 45.35 05:23:01 AM 2 54.92 0.00 1.95 0.18 0.03 42.91 05:23:01 AM 3 52.26 0.00 1.37 0.30 0.00 46.07 05:24:01 AM all 20.43 0.00 1.36 0.02 0.01 78.18 05:24:01 AM 0 31.86 0.00 1.54 0.03 0.02 66.55 05:24:01 AM 1 19.51 0.00 1.12 0.02 0.02 79.34 05:24:01 AM 2 15.23 0.00 1.39 0.02 0.00 83.37 05:24:01 AM 3 15.12 0.00 1.40 0.00 0.02 83.46 05:25:01 AM all 52.42 0.00 1.51 0.04 0.03 46.00 05:25:01 AM 0 49.40 0.00 1.58 0.02 0.02 48.98 05:25:01 AM 1 43.85 0.00 1.44 0.03 0.02 54.67 05:25:01 AM 2 59.78 0.00 2.10 0.08 0.03 38.00 05:25:01 AM 3 56.65 0.00 0.92 0.02 0.07 42.34 Average: all 39.63 0.00 2.05 0.58 0.02 57.71 Average: 0 40.42 0.00 2.31 0.93 0.02 56.32 Average: 1 38.98 0.00 2.04 0.50 0.02 58.47 Average: 2 41.42 0.00 2.21 0.61 0.02 55.73 Average: 3 37.72 0.00 1.65 0.29 0.02 60.32