---> uname -a: Linux prd-centos8-docker-4c-4g-3358.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1085 10600 19 4076 14328 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:ae:0b:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.135/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86026sec preferred_lft 86026sec inet6 fe80::f816:3eff:feae:b6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:d3:b0:29 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::42:4eff:fed3:b029/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 10/18/2025 _x86_64_ (4 CPU) 03:28:23 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 182.25 6.85 175.40 1003.83 7198.32 03:31:01 AM 258.55 4.80 253.76 882.89 21803.32 03:32:01 AM 199.05 1.88 197.17 82.12 23773.49 03:33:01 AM 957.93 94.70 863.23 1694.50 22987.37 03:34:01 AM 90.78 41.78 49.01 5586.14 4781.05 Average: 337.73 30.00 307.73 1849.83 16109.32 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13117888 14965916 3023644 18.73 2688 2058372 1467924 8.54 152880 2501372 230596 03:31:01 AM 11310040 13744392 4831492 29.93 2688 2628664 2739552 15.94 258936 4116368 123212 03:32:01 AM 10664724 13981464 5476808 33.93 2688 3385336 1768952 10.29 369588 4408656 410412 03:33:01 AM 9198972 12648888 6942560 43.01 2688 3442936 1882856 10.95 419780 5602868 16 03:34:01 AM 10812852 14616760 5328680 33.01 2688 3791196 1257696 7.32 698040 3733360 86124 Average: 11020895 13991484 5120637 31.72 2688 3061301 1823396 10.61 379845 4072525 170072 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 93.55 67.97 1284.42 21.62 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:31:01 AM eth0 540.90 326.20 5342.38 41.54 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 03:31:01 AM veth190f973 0.08 0.30 0.00 0.03 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.22 6.22 4.57 4.57 0.00 0.00 0.00 0.00 03:32:01 AM eth0 218.31 147.59 1807.72 28.27 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.37 3.03 4.09 0.44 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 4.05 2.98 58.47 0.50 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 203.75 156.51 2494.96 45.90 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 1.27 1.27 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 212.13 140.26 2197.73 27.57 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.64 0.82 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 10/18/2025 _x86_64_ (4 CPU) 03:28:23 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 21.53 0.00 2.14 1.68 0.08 74.56 03:30:01 AM 0 24.45 0.00 2.45 1.15 0.08 71.86 03:30:01 AM 1 36.23 0.00 3.02 2.22 0.10 58.43 03:30:01 AM 2 12.83 0.00 1.26 1.24 0.08 84.59 03:30:01 AM 3 12.57 0.00 1.82 2.12 0.07 83.42 03:31:01 AM all 32.59 0.00 3.08 4.64 0.12 59.56 03:31:01 AM 0 30.65 0.00 2.87 4.74 0.12 61.63 03:31:01 AM 1 31.92 0.00 2.90 3.00 0.13 62.04 03:31:01 AM 2 34.37 0.00 3.04 2.49 0.12 59.98 03:31:01 AM 3 33.44 0.00 3.51 8.35 0.10 54.60 03:32:01 AM all 34.68 0.10 7.67 3.74 0.14 53.66 03:32:01 AM 0 28.18 0.03 7.19 1.17 0.14 63.28 03:32:01 AM 1 28.77 0.15 6.44 3.20 0.14 61.29 03:32:01 AM 2 50.93 0.05 9.05 1.19 0.17 38.61 03:32:01 AM 3 30.80 0.17 8.00 9.42 0.14 51.47 03:33:01 AM all 32.67 0.00 4.40 9.76 0.13 53.04 03:33:01 AM 0 15.94 0.00 4.35 9.88 0.10 69.73 03:33:01 AM 1 30.57 0.00 4.08 8.18 0.13 57.04 03:33:01 AM 2 19.79 0.00 3.93 10.22 0.13 65.92 03:33:01 AM 3 64.41 0.00 5.23 10.78 0.15 19.42 03:34:01 AM all 48.19 0.00 2.40 1.18 0.15 48.08 03:34:01 AM 0 37.72 0.00 2.81 1.37 0.15 57.96 03:34:01 AM 1 50.00 0.00 1.84 0.75 0.12 47.29 03:34:01 AM 2 46.17 0.00 2.20 1.68 0.15 49.81 03:34:01 AM 3 58.89 0.00 2.78 0.90 0.18 37.24 Average: all 33.93 0.02 3.93 4.20 0.13 57.80 Average: 0 27.39 0.01 3.92 3.66 0.12 64.90 Average: 1 35.52 0.03 3.65 3.47 0.12 57.21 Average: 2 32.77 0.01 3.88 3.36 0.13 59.84 Average: 3 40.03 0.03 4.25 6.30 0.13 49.26