---> uname -a: Linux prd-centos8-docker-4c-4g-1698.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: 2799.996 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 766 12200 20 2794 14654 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:a4:f3:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.193/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86012sec preferred_lft 86012sec inet6 fe80::f816:3eff:fea4:f308/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9c:29:5f:01 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) 09/16/2026 _x86_64_ (4 CPU) 03:27:20 LINUX RESTART (4 CPU) 03:28:01 AM tps rtps wtps bread/s bwrtn/s 03:29:01 AM 195.43 8.05 187.39 2440.79 8009.30 03:30:01 AM 199.32 18.36 180.96 2607.93 15421.86 03:31:01 AM 82.76 1.62 81.14 100.90 9688.57 03:32:01 AM 6.20 0.00 6.20 0.00 381.97 03:33:01 AM 6.43 3.13 3.30 229.12 222.48 Average: 98.03 6.23 91.80 1075.78 6745.05 03:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:29:01 AM 13106248 15137876 3033068 18.79 2688 2240164 1078772 6.28 149240 2502884 331652 03:30:01 AM 12008796 14273428 4130520 25.59 2688 2467700 1984864 11.55 225040 3486784 76760 03:31:01 AM 9963048 12431432 6176268 38.27 2688 2668212 3625480 21.09 263836 5476376 3920 03:32:01 AM 9807276 12280092 6332040 39.23 2688 2672536 3625480 21.09 263916 5631588 948 03:33:01 AM 11329188 13826020 4810128 29.80 2688 2695756 2480884 14.43 279788 4096800 12228 Average: 11242911 13589770 4896405 30.34 2688 2548874 2559096 14.89 236364 4238886 85102 03:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:29:01 AM eth0 111.00 73.16 1662.46 28.66 0.00 0.00 0.00 0.00 03:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 194.59 181.57 2191.69 34.34 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 209.50 164.70 2969.94 33.17 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM eth0 192.63 117.23 85.44 84.18 0.00 0.00 0.00 0.00 03:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM lo 6.51 6.51 0.80 0.80 0.00 0.00 0.00 0.00 03:33:01 AM eth0 106.65 77.22 47.80 52.43 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 162.87 122.78 1391.51 46.55 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) 09/16/2026 _x86_64_ (4 CPU) 03:27:20 LINUX RESTART (4 CPU) 03:28:01 AM CPU %user %nice %system %iowait %steal %idle 03:29:01 AM all 19.54 0.00 2.13 1.08 0.03 77.23 03:29:01 AM 0 44.60 0.00 4.38 2.66 0.05 48.32 03:29:01 AM 1 16.86 0.00 1.30 0.80 0.02 81.02 03:29:01 AM 2 11.75 0.00 1.87 0.48 0.02 85.87 03:29:01 AM 3 4.94 0.00 0.95 0.37 0.02 93.72 03:30:01 AM all 39.03 0.00 2.11 5.74 0.03 53.09 03:30:01 AM 0 32.84 0.00 2.29 5.59 0.02 59.26 03:30:01 AM 1 43.07 0.00 1.34 5.80 0.02 49.78 03:30:01 AM 2 39.53 0.00 2.02 5.40 0.02 53.03 03:30:01 AM 3 40.69 0.00 2.80 6.18 0.05 50.28 03:31:01 AM all 68.95 0.00 1.72 0.37 0.05 28.92 03:31:01 AM 0 75.84 0.00 0.82 0.12 0.02 23.21 03:31:01 AM 1 66.74 0.00 1.50 0.32 0.05 31.39 03:31:01 AM 2 50.78 0.00 2.16 0.80 0.05 46.21 03:31:01 AM 3 82.42 0.00 2.39 0.23 0.07 14.89 03:32:01 AM all 23.20 0.00 1.36 0.02 0.02 75.40 03:32:01 AM 0 19.52 0.00 1.19 0.00 0.02 79.28 03:32:01 AM 1 26.78 0.00 0.82 0.00 0.02 72.39 03:32:01 AM 2 19.19 0.00 1.75 0.03 0.02 79.00 03:32:01 AM 3 27.31 0.00 1.67 0.05 0.03 70.94 03:33:01 AM all 37.15 0.00 1.28 0.04 0.02 61.50 03:33:01 AM 0 29.99 0.00 1.45 0.05 0.02 68.49 03:33:01 AM 1 57.85 0.00 1.32 0.08 0.02 40.73 03:33:01 AM 2 36.89 0.00 0.82 0.00 0.02 62.27 03:33:01 AM 3 23.85 0.00 1.54 0.03 0.03 74.54 Average: all 37.58 0.00 1.72 1.45 0.03 59.23 Average: 0 40.57 0.00 2.03 1.68 0.02 55.70 Average: 1 42.25 0.00 1.26 1.40 0.02 55.07 Average: 2 31.63 0.00 1.72 1.34 0.02 65.28 Average: 3 35.85 0.00 1.87 1.37 0.04 60.87