---> uname -a: Linux prd-centos8-docker-4c-4g-201.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 763 12197 20 2799 14657 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:24:b0:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.2/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85979sec preferred_lft 85979sec inet6 fe80::f816:3eff:fe24:b044/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:46:65:e6 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) 11:48:40 LINUX RESTART (4 CPU) 11:50:01 AM tps rtps wtps bread/s bwrtn/s 11:51:01 AM 83.20 6.00 77.20 916.07 5770.10 11:52:01 AM 199.18 19.15 180.04 3962.01 14557.72 11:53:01 AM 94.79 2.83 91.96 269.24 4541.77 11:54:01 AM 33.76 0.00 33.76 0.00 7851.07 11:55:01 AM 3.73 0.00 3.73 0.00 346.29 11:56:01 AM 12.26 2.88 9.38 146.78 730.04 Average: 71.17 5.14 66.02 882.28 5632.89 11:50:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:51:01 AM 13337636 15140540 2801680 17.36 2688 2018356 1075984 6.26 146728 2295284 172560 11:52:01 AM 12623140 14851124 3516176 21.79 2688 2432364 1286704 7.49 170676 2935696 102108 11:53:01 AM 11233628 13708192 4905688 30.40 2688 2674348 2371016 13.79 250408 4223448 222024 11:54:01 AM 9529092 12010564 6610224 40.96 2688 2680976 3910156 22.75 266292 5906996 3748 11:55:01 AM 9525228 12010700 6614088 40.98 2688 2684844 3861016 22.46 266360 5910752 32 11:56:01 AM 12493400 15002096 3645916 22.59 2688 2706744 1141076 6.64 461936 2752372 9260 Average: 11457021 13787203 4682295 29.01 2688 2532939 2274325 13.23 260400 4004091 84955 11:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:51:01 AM eth0 292.94 202.17 1043.00 22.68 0.00 0.00 0.00 0.00 11:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:52:01 AM eth0 288.47 236.69 2427.94 36.98 0.00 0.00 0.00 0.00 11:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:53:01 AM eth0 295.42 248.63 3523.28 31.40 0.00 0.00 0.00 0.00 11:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:54:01 AM eth0 86.02 60.81 82.05 77.47 0.00 0.00 0.00 0.00 11:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:55:01 AM eth0 161.97 113.80 108.09 97.78 0.00 0.00 0.00 0.00 11:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:56:01 AM lo 6.50 6.50 0.80 0.80 0.00 0.00 0.00 0.00 11:56:01 AM eth0 23.55 23.25 11.95 19.99 0.00 0.00 0.00 0.00 11:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 191.49 147.61 1199.48 47.70 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) 11:48:40 LINUX RESTART (4 CPU) 11:50:01 AM CPU %user %nice %system %iowait %steal %idle 11:51:01 AM all 13.01 0.00 1.49 0.40 0.02 85.08 11:51:01 AM 0 7.82 0.00 0.91 0.45 0.02 90.80 11:51:01 AM 1 21.86 0.00 2.32 0.42 0.03 75.37 11:51:01 AM 2 13.90 0.00 1.73 0.60 0.02 83.76 11:51:01 AM 3 8.47 0.00 1.00 0.13 0.02 90.38 11:52:01 AM all 19.52 0.00 2.03 1.13 0.03 77.30 11:52:01 AM 0 22.60 0.00 2.24 1.10 0.03 74.02 11:52:01 AM 1 17.37 0.00 2.11 1.20 0.02 79.30 11:52:01 AM 2 10.74 0.00 1.46 0.67 0.02 87.12 11:52:01 AM 3 27.36 0.00 2.31 1.52 0.03 68.77 11:53:01 AM all 51.51 0.00 1.80 0.33 0.05 46.31 11:53:01 AM 0 45.87 0.00 1.37 0.42 0.02 52.33 11:53:01 AM 1 49.68 0.00 1.30 0.03 0.05 48.93 11:53:01 AM 2 56.17 0.00 1.89 0.33 0.08 41.52 11:53:01 AM 3 54.31 0.00 2.66 0.54 0.03 42.46 11:54:01 AM all 59.39 0.00 1.53 0.17 0.04 38.87 11:54:01 AM 0 37.42 0.00 2.00 0.65 0.03 59.89 11:54:01 AM 1 69.39 0.00 1.39 0.00 0.05 29.17 11:54:01 AM 2 67.88 0.00 1.20 0.00 0.03 30.89 11:54:01 AM 3 62.85 0.00 1.52 0.03 0.05 35.54 11:55:01 AM all 14.60 0.00 1.44 0.01 0.01 83.93 11:55:01 AM 0 9.53 0.00 1.72 0.00 0.00 88.75 11:55:01 AM 1 13.06 0.00 1.44 0.03 0.02 85.46 11:55:01 AM 2 18.55 0.00 1.54 0.00 0.02 79.90 11:55:01 AM 3 17.26 0.00 1.09 0.00 0.02 81.64 11:56:01 AM all 53.56 0.00 1.54 0.07 0.05 44.78 11:56:01 AM 0 43.35 0.00 1.29 0.03 0.03 55.30 11:56:01 AM 1 65.59 0.00 2.04 0.17 0.05 32.16 11:56:01 AM 2 60.26 0.00 1.19 0.02 0.05 38.49 11:56:01 AM 3 45.06 0.00 1.65 0.07 0.07 53.15 Average: all 35.25 0.00 1.64 0.35 0.03 62.72 Average: 0 27.76 0.00 1.59 0.44 0.02 70.19 Average: 1 39.49 0.00 1.76 0.31 0.04 58.40 Average: 2 37.90 0.00 1.50 0.27 0.04 60.30 Average: 3 35.88 0.00 1.70 0.38 0.04 62.00