---> uname -a: Linux prd-centos8-docker-4c-4g-2875.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 nrip_save 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 1034 10461 19 4265 14376 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:96:3c:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.77/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fe96:3c9f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:18:4b:3c:f9 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::42:18ff:fe4b:3cf9/64 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) 05/23/2026 _x86_64_ (4 CPU) 03:29:11 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:30:02 AM 0.00 0.00 0.00 0.00 0.00 03:31:01 AM 197.21 4.78 192.42 440.18 11771.26 03:32:01 AM 210.41 3.17 207.25 783.07 27326.22 03:33:01 AM 1081.61 84.22 997.38 1588.94 38303.27 03:34:01 AM 101.10 52.70 48.40 5631.85 2382.26 Average: 396.46 36.19 360.27 2108.69 19879.05 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:02 AM 13546804 15116104 2592516 16.06 2688 1795964 1150760 6.70 137240 2142272 67380 03:31:01 AM 12732028 14774828 3407292 21.11 2688 2247940 1450696 8.44 160884 2845116 248664 03:32:01 AM 11734416 14472236 4404904 27.29 2688 2928796 1886968 10.98 356100 3586744 160236 03:33:01 AM 10166760 13753980 5972560 37.01 2688 3577132 1787664 10.40 407360 4661564 6772 03:34:01 AM 10293672 14279884 5845648 36.22 2688 3971956 1549080 9.01 485080 4458660 209484 Average: 11694736 14479406 4444584 27.54 2688 2904358 1565034 9.11 309333 3538871 138507 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:02 AM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 200.17 152.33 2342.23 32.44 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.13 6.13 4.54 4.54 0.00 0.00 0.00 0.00 03:32:01 AM eth0 351.10 247.92 4898.97 32.99 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.28 3.18 4.08 0.45 0.00 0.00 0.00 0.00 03:32:01 AM veth3f3638d 0.13 0.42 0.01 0.03 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 174.74 118.61 1625.35 18.03 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 168.42 125.15 3099.10 12.22 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.53 1.53 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 222.51 160.17 2978.56 23.74 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.80 1.02 0.11 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) 05/23/2026 _x86_64_ (4 CPU) 03:29:11 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:02 AM all 6.42 0.00 0.34 0.00 1.01 92.23 03:30:02 AM 0 7.69 0.00 0.00 0.00 23.08 69.23 03:30:02 AM 1 7.09 0.00 0.00 0.00 0.00 92.91 03:30:02 AM 2 33.33 0.00 0.00 0.00 0.00 66.67 03:30:02 AM 3 0.00 0.00 0.78 0.00 0.00 99.22 03:31:01 AM all 24.61 0.00 2.18 1.41 0.12 71.68 03:31:01 AM 0 20.91 0.00 2.07 1.88 0.12 75.03 03:31:01 AM 1 22.27 0.00 2.15 1.45 0.12 74.00 03:31:01 AM 2 18.23 0.00 1.59 1.16 0.10 78.91 03:31:01 AM 3 37.06 0.00 2.93 1.13 0.12 58.77 03:32:01 AM all 43.49 0.09 3.28 2.38 0.13 50.63 03:32:01 AM 0 40.49 0.17 3.32 1.21 0.13 54.67 03:32:01 AM 1 46.07 0.07 3.58 2.49 0.15 47.64 03:32:01 AM 2 43.95 0.10 3.31 3.95 0.13 48.54 03:32:01 AM 3 43.43 0.02 2.89 1.88 0.12 51.66 03:33:01 AM all 26.66 0.00 10.35 10.06 0.14 52.79 03:33:01 AM 0 18.88 0.00 9.70 11.61 0.15 59.66 03:33:01 AM 1 30.52 0.00 10.38 6.58 0.14 52.39 03:33:01 AM 2 17.97 0.00 9.38 9.87 0.14 62.64 03:33:01 AM 3 39.33 0.00 11.95 12.19 0.14 36.39 03:34:01 AM all 47.92 0.00 1.91 0.65 0.13 49.39 03:34:01 AM 0 40.49 0.00 1.96 0.65 0.13 56.77 03:34:01 AM 1 39.59 0.00 1.74 1.10 0.15 57.41 03:34:01 AM 2 53.84 0.00 2.18 0.55 0.13 43.30 03:34:01 AM 3 57.78 0.00 1.76 0.28 0.12 40.06 Average: all 35.67 0.02 4.40 3.60 0.13 56.18 Average: 0 30.26 0.04 4.25 3.82 0.15 61.49 Average: 1 34.54 0.02 4.43 2.88 0.14 58.00 Average: 2 33.63 0.03 4.10 3.87 0.13 58.25 Average: 3 44.23 0.00 4.83 3.82 0.12 46.99