---> uname -a: Linux prd-centos8-docker-4c-4g-5100.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 778 12193 20 2788 14641 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:7a:dd:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.26/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85975sec preferred_lft 85975sec inet6 fe80::f816:3eff:fe7a:dd66/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5e:48:26:f6 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) 10/26/2026 _x86_64_ (4 CPU) 05:51:50 LINUX RESTART (4 CPU) 05:53:01 AM tps rtps wtps bread/s bwrtn/s 05:54:01 AM 67.86 0.33 67.53 32.52 6059.05 05:55:01 AM 199.82 20.20 179.62 4127.58 12972.09 05:56:01 AM 93.49 1.67 91.82 101.70 7078.12 05:57:01 AM 20.31 0.00 20.31 0.00 6404.15 05:58:01 AM 3.01 1.85 1.17 54.22 204.75 05:59:01 AM 23.11 1.52 21.60 141.98 1343.06 Average: 67.93 4.26 63.67 742.89 5676.31 05:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:54:01 AM 13317436 15122412 2821872 17.48 2688 2021064 1111016 6.46 147216 2314824 173880 05:55:01 AM 12297400 14525484 3841908 23.80 2688 2431680 1642500 9.56 207776 3218248 148016 05:56:01 AM 10332240 12794524 5807068 35.98 2688 2661860 3112916 18.11 262164 5107976 184148 05:57:01 AM 10119880 12585492 6019428 37.30 2688 2665100 3112916 18.11 262244 5320364 1000 05:58:01 AM 8135300 10611972 8004008 49.59 2688 2675784 5058012 29.43 266988 7293968 4724 05:59:01 AM 12466784 14979572 3672524 22.76 2688 2710096 1185520 6.90 473932 2763364 32712 Average: 11111507 13436576 5027801 31.15 2688 2527597 2537147 14.76 270053 4336457 90747 05:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 AM eth0 61.66 37.94 905.82 6.43 0.00 0.00 0.00 0.00 05:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 AM eth0 206.85 173.42 2313.26 30.33 0.00 0.00 0.00 0.00 05:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 AM eth0 239.24 190.89 3396.69 34.26 0.00 0.00 0.00 0.00 05:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 AM eth0 311.41 192.90 119.75 113.91 0.00 0.00 0.00 0.00 05:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 AM eth0 50.27 32.69 16.47 22.56 0.00 0.00 0.00 0.00 05:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 AM lo 6.57 6.57 0.81 0.81 0.00 0.00 0.00 0.00 05:59:01 AM eth0 22.41 18.28 52.05 7.96 0.00 0.00 0.00 0.00 05:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 148.63 107.68 1133.94 35.91 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) 10/26/2026 _x86_64_ (4 CPU) 05:51:50 LINUX RESTART (4 CPU) 05:53:01 AM CPU %user %nice %system %iowait %steal %idle 05:54:01 AM all 9.71 0.00 0.91 0.34 0.00 89.04 05:54:01 AM 0 2.56 0.00 0.43 0.18 0.00 96.83 05:54:01 AM 1 2.82 0.00 0.37 0.12 0.00 96.69 05:54:01 AM 2 17.51 0.00 1.34 0.68 0.00 80.47 05:54:01 AM 3 15.94 0.00 1.52 0.37 0.00 82.17 05:55:01 AM all 28.10 0.00 1.94 1.24 0.02 68.70 05:55:01 AM 0 18.96 0.00 1.59 0.80 0.02 78.63 05:55:01 AM 1 26.01 0.00 1.25 1.10 0.02 71.62 05:55:01 AM 2 42.66 0.00 3.02 1.60 0.03 52.67 05:55:01 AM 3 24.74 0.00 1.91 1.46 0.02 71.88 05:56:01 AM all 63.41 0.00 1.72 0.35 0.03 34.49 05:56:01 AM 0 68.20 0.00 1.75 0.48 0.03 29.52 05:56:01 AM 1 64.47 0.00 2.05 0.17 0.05 33.26 05:56:01 AM 2 65.75 0.00 1.30 0.33 0.02 32.60 05:56:01 AM 3 55.21 0.00 1.79 0.42 0.02 42.57 05:57:01 AM all 18.93 0.00 1.68 0.12 0.01 79.26 05:57:01 AM 0 15.70 0.00 1.69 0.17 0.00 82.44 05:57:01 AM 1 19.16 0.00 1.80 0.03 0.00 79.00 05:57:01 AM 2 20.99 0.00 1.52 0.05 0.02 77.43 05:57:01 AM 3 19.87 0.00 1.70 0.22 0.02 78.19 05:58:01 AM all 40.11 0.00 1.16 0.03 0.02 58.69 05:58:01 AM 0 30.80 0.00 1.09 0.00 0.02 68.10 05:58:01 AM 1 43.55 0.00 1.18 0.00 0.03 55.23 05:58:01 AM 2 25.22 0.00 0.78 0.03 0.00 73.96 05:58:01 AM 3 60.85 0.00 1.59 0.07 0.02 37.48 05:59:01 AM all 38.07 0.00 1.69 0.09 0.01 60.14 05:59:01 AM 0 31.29 0.00 1.69 0.10 0.00 66.93 05:59:01 AM 1 40.64 0.00 1.80 0.05 0.02 57.49 05:59:01 AM 2 48.63 0.00 1.77 0.12 0.00 49.48 05:59:01 AM 3 31.74 0.00 1.49 0.08 0.02 66.67 Average: all 33.06 0.00 1.52 0.36 0.01 65.05 Average: 0 27.92 0.00 1.37 0.29 0.01 70.41 Average: 1 32.79 0.00 1.41 0.24 0.02 65.54 Average: 2 36.79 0.00 1.62 0.47 0.01 61.10 Average: 3 34.73 0.00 1.67 0.43 0.01 63.16