---> uname -a: Linux prd-centos8-docker-4c-4g-20407.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: 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 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1035 10611 19 4115 14378 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:c0:90:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.0/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86046sec preferred_lft 86046sec inet6 fe80::f816:3eff:fec0:9067/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8f:83:cf:23 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::42:8fff:fe83:cf23/64 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) 12/13/2025 _x86_64_ (4 CPU) 03:28:56 LINUX RESTART (4 CPU) 03:30:00 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 24.47 0.00 24.47 0.00 1103.19 03:31:01 AM 243.50 5.20 238.31 575.22 12593.77 03:32:01 AM 145.79 2.33 143.46 501.35 27530.65 03:33:01 AM 1237.04 95.10 1141.94 1697.85 30303.28 03:34:01 AM 79.84 41.26 38.58 5580.94 2152.52 Average: 424.90 35.83 389.08 2080.66 18077.36 03:30:00 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13263816 15027464 2877716 17.83 2688 1981468 1218644 7.09 175032 2356628 201120 03:31:01 AM 12532912 14590176 3608620 22.36 2688 2261924 1480180 8.61 182460 3019076 181732 03:32:01 AM 11543344 14319300 4598188 28.49 2688 2955048 1678880 9.77 367740 3737204 90540 03:33:01 AM 10095596 13546368 6045936 37.46 2688 3443536 1755852 10.21 417164 4712972 6748 03:34:01 AM 9844920 13682136 6296612 39.01 2688 3825008 2122172 12.35 500252 4883172 185528 Average: 11456118 14233089 4685414 29.03 2688 2893397 1651146 9.61 328530 3741810 133134 03:30:00 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 0.00 0.00 0.00 0.00 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 305.68 234.16 3400.51 39.69 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 6.38 6.38 4.61 4.61 0.00 0.00 0.00 0.00 03:32:01 AM eth0 311.24 192.55 3268.67 28.60 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.41 3.00 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 114.98 73.22 964.44 12.71 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 171.16 130.22 2879.36 13.94 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 1.59 1.59 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 224.90 156.93 2618.16 23.65 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.75 1.02 0.11 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) 12/13/2025 _x86_64_ (4 CPU) 03:28:56 LINUX RESTART (4 CPU) 03:30:00 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 21.75 0.00 4.24 0.00 0.27 73.74 03:30:01 AM 0 0.00 0.00 4.17 0.00 0.00 95.83 03:30:01 AM 1 1.06 0.00 1.06 0.00 1.06 96.81 03:30:01 AM 2 0.00 0.00 0.00 0.00 0.00 100.00 03:30:01 AM 3 86.17 0.00 11.70 0.00 0.00 2.13 03:31:01 AM all 28.14 0.00 2.33 1.50 0.09 67.95 03:31:01 AM 0 31.47 0.00 2.44 1.69 0.10 64.31 03:31:01 AM 1 25.25 0.00 2.01 1.59 0.08 71.07 03:31:01 AM 2 28.21 0.00 2.61 1.47 0.08 67.63 03:31:01 AM 3 27.64 0.00 2.26 1.24 0.08 68.78 03:32:01 AM all 44.28 0.10 4.68 1.30 0.10 49.54 03:32:01 AM 0 38.29 0.07 3.96 0.89 0.10 56.68 03:32:01 AM 1 48.37 0.02 4.82 0.74 0.10 45.96 03:32:01 AM 2 45.30 0.08 5.44 2.52 0.10 46.55 03:32:01 AM 3 45.17 0.24 4.49 1.06 0.10 48.94 03:33:01 AM all 29.80 0.00 9.02 8.37 0.10 52.71 03:33:01 AM 0 48.86 0.00 9.26 7.95 0.12 33.80 03:33:01 AM 1 22.57 0.00 7.77 6.72 0.10 62.84 03:33:01 AM 2 20.80 0.00 10.28 11.35 0.08 57.49 03:33:01 AM 3 27.07 0.00 8.78 7.46 0.10 56.59 03:34:01 AM all 52.17 0.00 1.94 0.63 0.10 45.15 03:34:01 AM 0 60.07 0.00 1.64 0.57 0.10 37.62 03:34:01 AM 1 58.43 0.00 2.39 0.89 0.12 38.17 03:34:01 AM 2 45.43 0.00 1.82 0.60 0.10 52.04 03:34:01 AM 3 44.73 0.00 1.92 0.47 0.10 52.78 Average: all 38.55 0.03 4.47 2.92 0.10 53.93 Average: 0 44.48 0.02 4.30 2.74 0.10 48.36 Average: 1 38.53 0.00 4.22 2.47 0.10 54.67 Average: 2 34.84 0.02 5.00 3.95 0.09 56.11 Average: 3 36.37 0.06 4.38 2.53 0.10 56.57