---> uname -a: Linux prd-centos8-docker-4c-4g-5063.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 758 12099 20 2903 14664 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:77:7b:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.169/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86086sec preferred_lft 86086sec inet6 fe80::f816:3eff:fe77:7be1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:d0:1f:6d 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) 01:27:35 LINUX RESTART (4 CPU) 01:29:01 AM tps rtps wtps bread/s bwrtn/s 01:30:01 AM 56.51 0.20 56.31 29.99 4457.56 01:31:01 AM 144.34 14.81 129.53 3206.27 12609.82 01:32:02 AM 179.12 6.17 172.95 1055.69 11853.64 01:33:01 AM 40.70 0.86 39.83 68.18 8976.50 Average: 105.43 5.53 99.90 1094.22 9476.23 01:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 AM 13355644 15121188 2783672 17.25 2688 1982788 1129864 6.57 140808 2289088 157796 01:31:01 AM 12871284 14967960 3268032 20.25 2688 2303456 1435308 8.35 182060 2684504 71232 01:32:02 AM 11160424 13535168 4978892 30.85 2688 2575580 2557344 14.88 250688 4297428 2872 01:33:01 AM 12423220 15048872 3716096 23.03 2688 2824536 1125792 6.55 535264 2753868 25664 Average: 12452643 14668297 3686673 22.84 2688 2421590 1562077 9.09 277205 3006222 64391 01:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 66.93 46.33 899.30 6.39 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM eth0 107.53 80.79 1100.37 17.60 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:02 AM lo 26.56 26.56 7.19 7.19 0.00 0.00 0.00 0.00 01:32:02 AM eth0 338.01 251.47 3768.11 59.73 0.00 0.00 0.00 0.00 01:32:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:33:01 AM lo 5.17 5.17 1.10 1.10 0.00 0.00 0.00 0.00 01:33:01 AM eth0 61.89 49.70 277.09 27.51 0.00 0.00 0.00 0.00 01:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.94 7.94 2.08 2.08 0.00 0.00 0.00 0.00 Average: eth0 143.93 107.31 1516.30 27.81 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) 01:27:35 LINUX RESTART (4 CPU) 01:29:01 AM CPU %user %nice %system %iowait %steal %idle 01:30:01 AM all 8.79 0.00 0.90 0.31 0.01 90.00 01:30:01 AM 0 6.06 0.00 1.05 0.38 0.02 92.49 01:30:01 AM 1 5.14 0.00 0.63 0.15 0.00 94.07 01:30:01 AM 2 19.77 0.00 1.54 0.45 0.02 78.23 01:30:01 AM 3 4.18 0.00 0.37 0.25 0.00 95.20 01:31:01 AM all 16.31 0.00 1.65 0.86 0.02 81.16 01:31:01 AM 0 26.75 0.00 2.09 0.72 0.02 70.43 01:31:01 AM 1 17.56 0.00 1.82 1.02 0.02 79.59 01:31:01 AM 2 8.79 0.00 1.15 0.67 0.02 89.37 01:31:01 AM 3 12.13 0.00 1.52 1.05 0.02 85.28 01:32:02 AM all 51.10 0.00 2.35 0.91 0.03 45.60 01:32:02 AM 0 55.22 0.00 2.61 0.99 0.03 41.16 01:32:02 AM 1 47.82 0.00 3.21 1.50 0.02 47.45 01:32:02 AM 2 41.79 0.00 2.42 0.97 0.02 54.80 01:32:02 AM 3 59.57 0.00 1.17 0.20 0.03 39.02 01:33:01 AM all 18.28 0.00 1.83 0.32 0.00 79.57 01:33:01 AM 0 20.50 0.00 2.44 0.49 0.00 76.57 01:33:01 AM 1 13.05 0.00 1.27 0.41 0.00 85.27 01:33:01 AM 2 29.54 0.00 2.04 0.09 0.00 68.34 01:33:01 AM 3 10.04 0.00 1.55 0.31 0.00 88.10 Average: all 23.64 0.00 1.68 0.60 0.01 74.07 Average: 0 27.14 0.00 2.04 0.64 0.02 70.16 Average: 1 20.92 0.00 1.74 0.77 0.01 76.57 Average: 2 24.95 0.00 1.79 0.55 0.01 72.71 Average: 3 21.54 0.00 1.15 0.45 0.01 76.85