---> uname -a: Linux prd-centos8-docker-4c-4g-7900.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 858 12077 19 2827 14570 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:c0:78:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.72/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fec0:789e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:4d:55:e0 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/03/2026 _x86_64_ (4 CPU) 13:22:43 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:02 PM 273.76 19.41 254.35 4209.79 14560.86 01:26:01 PM 44.45 1.68 42.77 64.67 8291.78 01:27:01 PM 61.23 3.12 58.11 139.42 9604.05 Average: 126.98 8.11 118.87 1479.84 10833.98 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:02 PM 11629792 13925788 4511740 27.95 2688 2499320 2271276 13.21 239440 3858884 231144 01:26:01 PM 11260952 13562344 4880580 30.24 2688 2504384 2594744 15.09 255028 4207444 912 01:27:01 PM 12329936 14889620 3811596 23.61 2688 2759996 1257928 7.32 534428 2860452 15992 Average: 11740227 14125917 4401305 27.27 2688 2587900 2041316 11.87 342965 3642260 82683 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:02 PM eth0 425.34 301.98 4875.41 71.29 0.00 0.00 0.00 0.00 01:25:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.84 25.84 5.18 5.18 0.00 0.00 0.00 0.00 01:26:01 PM eth0 19.45 13.64 6.33 15.24 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 3.73 3.73 0.99 0.99 0.00 0.00 0.00 0.00 01:27:01 PM eth0 78.69 83.92 288.86 939.63 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.77 9.77 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 175.43 133.89 1733.92 343.84 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/03/2026 _x86_64_ (4 CPU) 13:22:43 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:02 PM all 42.62 0.00 2.87 2.27 0.09 52.16 01:25:02 PM 0 45.23 0.00 2.14 1.84 0.08 50.72 01:25:02 PM 1 38.20 0.00 2.74 2.36 0.08 56.61 01:25:02 PM 2 37.68 0.00 3.54 2.16 0.08 56.54 01:25:02 PM 3 49.34 0.00 3.08 2.71 0.10 44.78 01:26:01 PM all 26.13 0.00 0.68 0.52 0.07 72.59 01:26:01 PM 0 32.68 0.00 0.31 0.05 0.07 66.90 01:26:01 PM 1 24.63 0.00 1.05 0.61 0.07 73.64 01:26:01 PM 2 15.03 0.00 1.19 1.41 0.08 82.29 01:26:01 PM 3 32.19 0.00 0.19 0.00 0.07 67.56 01:27:01 PM all 23.92 0.00 2.07 0.55 0.08 73.38 01:27:01 PM 0 38.69 0.00 3.12 0.63 0.08 57.48 01:27:01 PM 1 19.45 0.00 2.19 1.34 0.08 76.94 01:27:01 PM 2 23.44 0.00 1.59 0.18 0.07 74.72 01:27:01 PM 3 14.07 0.00 1.40 0.03 0.08 84.41 Average: all 30.91 0.00 1.88 1.11 0.08 66.01 Average: 0 38.90 0.00 1.86 0.84 0.08 58.32 Average: 1 27.44 0.00 2.00 1.44 0.08 69.05 Average: 2 25.43 0.00 2.11 1.25 0.08 71.14 Average: 3 31.86 0.00 1.56 0.92 0.08 65.57