---> uname -a: Linux prd-centos8-docker-4c-4g-5770.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1039 10796 20 3924 14371 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:74:dd:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.89/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe74:dd40/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:8b:9c:08 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 inet6 fe80::42:9dff:fe8b:9c08/64 scope link 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) 09/28/2026 _x86_64_ (4 CPU) 05:20:28 LINUX RESTART (4 CPU) 05:21:01 AM tps rtps wtps bread/s bwrtn/s 05:22:01 AM 223.51 7.28 216.23 1139.09 8471.56 05:23:01 AM 306.13 5.68 300.45 974.85 32588.62 05:24:01 AM 1152.95 73.09 1079.86 1416.33 36647.97 05:25:01 AM 104.42 46.66 57.76 794.13 3301.55 Average: 446.76 33.18 413.58 1081.11 20253.64 05:21:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:22:01 AM 13158600 15136636 2980716 18.47 2688 2187212 1068244 6.22 143676 2458388 322416 05:23:01 AM 9536760 12126940 6602556 40.91 2688 2782196 4619332 26.88 286892 5845220 1316 05:24:01 AM 10233392 13818176 5905924 36.59 2688 3575940 1888148 10.99 471492 4525756 61524 05:25:01 AM 11106516 14761996 5032800 31.18 2688 3641480 1162536 6.76 681176 3445196 54080 Average: 11008817 13960937 5130499 31.79 2688 3046707 2184565 12.71 395809 4068640 109834 05:21:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 154.25 101.52 1783.99 30.08 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:23:01 AM lo 4.75 4.75 3.55 3.55 0.00 0.00 0.00 0.00 05:23:01 AM eth0 431.05 307.73 5472.67 45.99 0.00 0.00 0.00 0.00 05:23:01 AM docker0 2.83 2.75 3.14 0.40 0.00 0.00 0.00 0.00 05:23:01 AM veth7e24de8 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 05:23:01 AM veth475c703 2.72 2.67 3.17 0.39 0.00 0.00 0.00 0.00 05:24:01 AM lo 1.63 1.63 1.06 1.06 0.00 0.00 0.00 0.00 05:24:01 AM eth0 203.77 170.48 1862.80 1203.21 0.00 0.00 0.00 0.00 05:24:01 AM docker0 0.53 0.53 0.95 0.06 0.00 0.00 0.00 0.00 05:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:25:01 AM eth0 19.25 16.83 47.70 39.74 0.00 0.00 0.00 0.00 05:25:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.60 1.60 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 202.10 149.15 2292.02 329.76 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.82 1.02 0.12 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) 09/28/2026 _x86_64_ (4 CPU) 05:20:28 LINUX RESTART (4 CPU) 05:21:01 AM CPU %user %nice %system %iowait %steal %idle 05:22:01 AM all 20.07 0.00 2.59 1.01 0.02 76.32 05:22:01 AM 0 9.38 0.00 2.11 0.17 0.02 88.33 05:22:01 AM 1 38.35 0.00 3.34 0.92 0.02 57.38 05:22:01 AM 2 14.57 0.00 2.58 2.78 0.02 80.06 05:22:01 AM 3 17.99 0.00 2.34 0.17 0.02 79.48 05:23:01 AM all 48.13 0.11 4.05 1.66 0.03 46.02 05:23:01 AM 0 43.73 0.20 3.73 0.57 0.03 51.74 05:23:01 AM 1 51.94 0.13 3.34 1.44 0.03 43.10 05:23:01 AM 2 49.97 0.00 4.59 2.15 0.03 43.26 05:23:01 AM 3 46.91 0.08 4.56 2.47 0.02 45.97 05:24:01 AM all 29.46 0.00 9.95 8.05 0.01 52.54 05:24:01 AM 0 44.08 0.00 9.59 7.48 0.02 38.83 05:24:01 AM 1 23.72 0.00 9.08 6.97 0.02 60.22 05:24:01 AM 2 21.94 0.00 11.11 8.91 0.00 58.03 05:24:01 AM 3 28.05 0.00 10.00 8.83 0.02 53.10 05:25:01 AM all 43.23 0.00 2.10 0.70 0.02 53.96 05:25:01 AM 0 60.91 0.00 2.31 0.64 0.02 36.12 05:25:01 AM 1 29.28 0.00 2.18 0.97 0.02 67.55 05:25:01 AM 2 49.44 0.00 2.16 0.57 0.02 47.82 05:25:01 AM 3 33.27 0.00 1.74 0.64 0.02 64.34 Average: all 35.22 0.03 4.66 2.84 0.02 57.25 Average: 0 39.46 0.05 4.42 2.20 0.02 53.84 Average: 1 35.85 0.03 4.47 2.56 0.02 57.07 Average: 2 34.00 0.00 5.09 3.58 0.02 57.31 Average: 3 31.54 0.02 4.64 3.01 0.02 60.77