---> uname -a: Linux prd-centos8-docker-8c-8g-2756.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1004 28145 19 2737 30435 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:5c:e4:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.206/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86250sec preferred_lft 86250sec inet6 fe80::f816:3eff:fe5c:e4ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:53:d2:6a:0f 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/22/2026 _x86_64_ (8 CPU) 11:35:34 LINUX RESTART (8 CPU) 11:36:01 AM tps rtps wtps bread/s bwrtn/s 11:37:01 AM 171.11 20.06 151.05 4115.83 9918.38 11:38:01 AM 260.49 4.15 256.34 747.48 17593.10 Average: 215.80 12.11 203.69 2431.79 13755.42 11:36:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:37:01 AM 29092688 31082372 3560684 10.90 2688 2305232 1568740 4.65 161864 2933076 265676 11:38:01 AM 28821444 31162908 3831928 11.74 2688 2649044 1449416 4.30 410096 2923344 166952 Average: 28957066 31122640 3696306 11.32 2688 2477138 1509078 4.48 285980 2928210 216314 11:36:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 AM eth0 147.67 98.82 1955.00 20.72 0.00 0.00 0.00 0.00 11:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 AM eth0 382.80 306.68 5061.83 45.22 0.00 0.00 0.00 0.00 11:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 265.23 202.74 3508.28 32.97 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/22/2026 _x86_64_ (8 CPU) 11:35:34 LINUX RESTART (8 CPU) 11:36:01 AM CPU %user %nice %system %iowait %steal %idle 11:37:01 AM all 11.77 0.00 1.06 0.56 0.05 86.55 11:37:01 AM 0 12.23 0.00 1.20 0.22 0.07 86.28 11:37:01 AM 1 16.56 0.00 1.10 0.63 0.05 81.65 11:37:01 AM 2 24.73 0.00 2.25 0.58 0.07 72.37 11:37:01 AM 3 18.06 0.00 1.23 0.30 0.07 80.34 11:37:01 AM 4 2.80 0.00 0.50 0.54 0.07 96.10 11:37:01 AM 5 6.11 0.00 0.77 1.07 0.03 92.02 11:37:01 AM 6 2.27 0.00 0.42 0.47 0.02 96.82 11:37:01 AM 7 11.38 0.00 1.03 0.70 0.03 86.86 11:38:01 AM all 19.79 0.00 1.45 0.73 0.08 77.95 11:38:01 AM 0 17.36 0.00 1.42 1.00 0.12 80.10 11:38:01 AM 1 16.91 0.00 1.14 0.44 0.08 81.43 11:38:01 AM 2 27.80 0.00 1.57 0.40 0.08 70.15 11:38:01 AM 3 22.90 0.00 1.92 0.87 0.07 74.24 11:38:01 AM 4 25.86 0.00 1.55 0.50 0.08 72.00 11:38:01 AM 5 12.21 0.00 1.69 1.42 0.07 84.61 11:38:01 AM 6 13.83 0.00 1.05 0.62 0.08 84.41 11:38:01 AM 7 21.38 0.00 1.27 0.57 0.08 76.70 Average: all 15.78 0.00 1.26 0.65 0.07 82.25 Average: 0 14.80 0.00 1.31 0.61 0.09 83.19 Average: 1 16.74 0.00 1.12 0.53 0.07 81.54 Average: 2 26.26 0.00 1.91 0.49 0.08 71.26 Average: 3 20.48 0.00 1.58 0.58 0.07 77.29 Average: 4 14.35 0.00 1.03 0.52 0.08 84.03 Average: 5 9.16 0.00 1.23 1.24 0.05 88.32 Average: 6 8.05 0.00 0.74 0.54 0.05 90.62 Average: 7 16.38 0.00 1.15 0.63 0.06 81.78