---> uname -a: Linux prd-centos8-docker-4c-4g-759.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 814 12200 19 2748 14614 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:07:3e:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.40/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86172sec preferred_lft 86172sec inet6 fe80::f816:3eff:fe07:3ec4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d1:08:7a:9e 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) 12/22/2025 _x86_64_ (4 CPU) 09:34:47 LINUX RESTART (4 CPU) 09:35:01 AM tps rtps wtps bread/s bwrtn/s 09:36:02 AM 230.15 22.16 208.00 5582.03 8673.98 09:37:01 AM 251.65 20.64 231.01 4163.36 18146.09 09:38:01 AM 26.66 0.53 26.12 21.59 785.99 Average: 169.03 14.41 154.62 3250.67 9151.54 09:35:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:36:02 AM 13208644 15045144 2932888 18.17 2688 2047504 1204236 7.01 148556 2415648 230752 09:37:01 AM 11523252 13735372 4618280 28.61 2688 2416216 2460992 14.32 242516 3960976 12308 09:38:01 AM 12530788 14992496 3610744 22.37 2688 2664448 1156904 6.73 508748 2691660 257208 Average: 12420895 14591004 3720637 23.05 2688 2376056 1607377 9.35 299940 3022761 166756 09:35:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:36:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:02 AM eth0 306.60 196.25 1853.36 71.09 0.00 0.00 0.00 0.00 09:36:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 AM lo 12.03 12.03 3.49 3.49 0.00 0.00 0.00 0.00 09:37:01 AM eth0 388.15 264.92 4073.38 84.80 0.00 0.00 0.00 0.00 09:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:38:01 AM lo 17.59 17.59 2.68 2.68 0.00 0.00 0.00 0.00 09:38:01 AM eth0 124.21 93.59 477.72 38.22 0.00 0.00 0.00 0.00 09:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.86 9.86 2.05 2.05 0.00 0.00 0.00 0.00 Average: eth0 272.34 184.47 2123.87 64.59 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) 12/22/2025 _x86_64_ (4 CPU) 09:34:47 LINUX RESTART (4 CPU) 09:35:01 AM CPU %user %nice %system %iowait %steal %idle 09:36:02 AM all 27.24 0.00 2.92 1.29 0.10 68.45 09:36:02 AM 0 36.34 0.00 4.36 2.32 0.12 56.85 09:36:02 AM 1 21.77 0.00 2.78 1.31 0.10 74.05 09:36:02 AM 2 27.61 0.00 3.08 1.17 0.10 68.04 09:36:02 AM 3 23.22 0.00 1.47 0.37 0.07 74.87 09:37:01 AM all 57.22 0.00 2.46 2.40 0.11 37.81 09:37:01 AM 0 51.25 0.00 2.11 1.58 0.10 44.96 09:37:01 AM 1 63.93 0.00 2.40 3.62 0.10 29.95 09:37:01 AM 2 60.60 0.00 2.28 1.81 0.12 35.19 09:37:01 AM 3 53.10 0.00 3.05 2.60 0.12 41.13 09:38:01 AM all 13.75 0.00 1.39 0.24 0.07 84.55 09:38:01 AM 0 12.85 0.00 1.47 0.15 0.07 85.46 09:38:01 AM 1 16.17 0.00 0.62 0.05 0.07 83.09 09:38:01 AM 2 13.66 0.00 1.98 0.23 0.07 84.06 09:38:01 AM 3 12.29 0.00 1.51 0.54 0.07 85.60 Average: all 32.59 0.00 2.26 1.31 0.09 63.76 Average: 0 33.37 0.00 2.65 1.35 0.10 62.53 Average: 1 33.79 0.00 1.93 1.65 0.09 62.55 Average: 2 33.80 0.00 2.45 1.07 0.10 62.59 Average: 3 29.40 0.00 2.00 1.16 0.08 67.36