---> uname -a: Linux prd-centos8-docker-4c-4g-140.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 759 12206 20 2795 14661 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:f7:1d:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85974sec preferred_lft 85974sec inet6 fe80::f816:3eff:fef7:1d06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:b6:83:9b 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) 09/09/2026 _x86_64_ (4 CPU) 08:46:33 LINUX RESTART (4 CPU) 08:48:01 AM tps rtps wtps bread/s bwrtn/s 08:49:01 AM 169.68 18.91 150.77 3466.58 10662.81 08:50:01 AM 158.74 3.13 155.61 763.10 11597.00 08:51:01 AM 34.83 0.00 34.83 0.00 8042.55 08:52:01 AM 4.90 0.00 4.90 0.00 309.18 08:53:01 AM 4.95 2.77 2.18 136.89 181.09 08:54:01 AM 19.83 0.47 19.36 56.51 1127.49 Average: 65.50 4.21 61.28 737.16 5320.79 08:48:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:49:01 AM 12751328 14894072 3387988 20.99 2688 2349052 1303564 7.58 163716 2824912 233888 08:50:01 AM 11596364 14065936 4542952 28.15 2688 2669712 1995564 11.61 245556 3868048 226752 08:51:01 AM 9903204 12379784 6236112 38.64 2688 2675980 3526340 20.52 263040 5535988 3136 08:52:01 AM 9840928 12321404 6298388 39.03 2688 2679852 3558032 20.70 263096 5597764 1228 08:53:01 AM 8796824 11288092 7342492 45.49 2688 2690304 4570656 26.59 274432 6625124 3028 08:54:01 AM 12468332 14982612 3670984 22.75 2688 2711836 1192108 6.94 472920 2765752 24804 Average: 10892830 13321983 5246486 32.51 2688 2629456 2691044 15.66 280460 4536265 82139 08:48:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:49:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 AM eth0 269.41 185.87 2028.56 28.59 0.00 0.00 0.00 0.00 08:49:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 AM eth0 400.33 319.81 4552.12 42.09 0.00 0.00 0.00 0.00 08:50:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM eth0 29.40 22.04 12.18 19.95 0.00 0.00 0.00 0.00 08:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM eth0 155.90 118.94 94.56 94.53 0.00 0.00 0.00 0.00 08:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 AM lo 6.30 6.30 0.79 0.79 0.00 0.00 0.00 0.00 08:53:01 AM eth0 71.26 55.18 33.22 31.86 0.00 0.00 0.00 0.00 08:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 AM lo 0.62 0.62 0.04 0.04 0.00 0.00 0.00 0.00 08:54:01 AM eth0 22.11 17.96 16.01 19.52 0.00 0.00 0.00 0.00 08:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 158.09 119.99 1123.12 39.42 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) 09/09/2026 _x86_64_ (4 CPU) 08:46:33 LINUX RESTART (4 CPU) 08:48:01 AM CPU %user %nice %system %iowait %steal %idle 08:49:01 AM all 22.70 0.00 2.51 1.12 0.05 73.63 08:49:01 AM 0 17.19 0.00 2.12 1.16 0.03 79.50 08:49:01 AM 1 36.69 0.00 3.83 1.20 0.05 58.23 08:49:01 AM 2 19.38 0.00 1.98 0.62 0.05 77.96 08:49:01 AM 3 17.60 0.00 2.10 1.49 0.05 78.76 08:50:01 AM all 53.57 0.00 2.60 0.79 0.04 43.01 08:50:01 AM 0 48.96 0.00 2.72 0.86 0.03 47.43 08:50:01 AM 1 52.50 0.00 3.25 1.06 0.05 43.13 08:50:01 AM 2 56.60 0.00 2.26 0.66 0.03 40.46 08:50:01 AM 3 56.23 0.00 2.15 0.57 0.03 41.01 08:51:01 AM all 66.31 0.00 1.79 0.21 0.05 31.64 08:51:01 AM 0 60.79 0.00 1.41 0.13 0.05 37.61 08:51:01 AM 1 55.29 0.00 2.68 0.63 0.03 41.36 08:51:01 AM 2 73.57 0.00 0.74 0.00 0.07 25.62 08:51:01 AM 3 75.58 0.00 2.34 0.09 0.05 21.95 08:52:01 AM all 22.75 0.00 1.55 0.01 0.03 75.67 08:52:01 AM 0 26.96 0.00 1.49 0.00 0.03 71.52 08:52:01 AM 1 21.19 0.00 1.49 0.02 0.03 77.27 08:52:01 AM 2 23.07 0.00 1.12 0.02 0.02 75.77 08:52:01 AM 3 19.78 0.00 2.09 0.00 0.02 78.11 08:53:01 AM all 36.57 0.00 1.27 0.03 0.03 62.09 08:53:01 AM 0 40.48 0.00 0.87 0.02 0.02 58.62 08:53:01 AM 1 49.45 0.00 1.79 0.10 0.05 48.61 08:53:01 AM 2 25.69 0.00 1.00 0.00 0.03 73.27 08:53:01 AM 3 30.68 0.00 1.41 0.02 0.03 67.87 08:54:01 AM all 36.06 0.00 1.88 0.05 0.03 61.98 08:54:01 AM 0 32.20 0.00 1.30 0.00 0.03 66.47 08:54:01 AM 1 35.97 0.00 2.47 0.15 0.02 61.39 08:54:01 AM 2 35.89 0.00 1.91 0.02 0.03 62.15 08:54:01 AM 3 40.17 0.00 1.84 0.05 0.03 57.91 Average: all 39.62 0.00 1.93 0.37 0.04 58.05 Average: 0 37.75 0.00 1.65 0.36 0.03 60.20 Average: 1 41.81 0.00 2.58 0.52 0.04 55.05 Average: 2 39.03 0.00 1.50 0.22 0.04 59.21 Average: 3 39.89 0.00 1.99 0.37 0.04 57.72