---> uname -a: Linux prd-centos8-docker-8c-8g-4464.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): 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: 31890 989 28250 19 2650 30455 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:56:2b:af brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.19/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86252sec preferred_lft 86252sec inet6 fe80::f816:3eff:fe56:2baf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9f:a3:a0:20 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) 03/24/2026 _x86_64_ (8 CPU) 10:22:49 LINUX RESTART (8 CPU) 10:23:01 AM tps rtps wtps bread/s bwrtn/s 10:24:01 AM 239.65 27.39 212.26 7007.95 9627.06 10:25:01 AM 291.57 18.39 273.18 3952.15 17200.78 Average: 265.61 22.89 242.72 5480.05 13413.92 10:23:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:24:01 AM 29480268 31217156 3175444 9.72 2688 2056800 1441276 4.28 157800 2576144 222000 10:25:01 AM 29002192 31257160 3653520 11.19 2688 2565696 1374284 4.08 403228 2764356 204488 Average: 29241230 31237158 3414482 10.46 2688 2311248 1407780 4.18 280514 2670250 213244 10:23:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:24:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:24:01 AM eth0 439.42 289.27 2039.94 79.10 0.00 0.00 0.00 0.00 10:24:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:25:01 AM eth0 466.23 362.05 5666.26 54.19 0.00 0.00 0.00 0.00 10:25:01 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 452.82 325.66 3853.10 66.65 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) 03/24/2026 _x86_64_ (8 CPU) 10:22:49 LINUX RESTART (8 CPU) 10:23:01 AM CPU %user %nice %system %iowait %steal %idle 10:24:01 AM all 14.83 0.00 2.21 0.74 0.06 82.16 10:24:01 AM 0 5.81 0.00 1.77 0.12 0.07 92.24 10:24:01 AM 1 22.64 0.00 2.54 0.62 0.08 74.12 10:24:01 AM 2 14.62 0.00 3.03 1.14 0.05 81.16 10:24:01 AM 3 24.73 0.00 3.08 0.37 0.07 71.76 10:24:01 AM 4 7.59 0.00 1.88 0.17 0.07 90.29 10:24:01 AM 5 15.97 0.00 1.94 0.80 0.07 81.22 10:24:01 AM 6 11.64 0.00 1.84 2.24 0.05 84.22 10:24:01 AM 7 15.57 0.00 1.62 0.43 0.05 82.32 10:25:01 AM all 19.37 0.00 1.55 0.91 0.07 78.10 10:25:01 AM 0 13.96 0.00 0.90 0.12 0.07 84.95 10:25:01 AM 1 9.15 0.00 1.24 0.87 0.08 88.66 10:25:01 AM 2 27.51 0.00 2.14 0.95 0.10 69.29 10:25:01 AM 3 30.47 0.00 2.09 1.76 0.07 65.62 10:25:01 AM 4 24.41 0.00 1.81 1.20 0.08 72.50 10:25:01 AM 5 19.85 0.00 1.50 0.62 0.05 77.98 10:25:01 AM 6 23.96 0.00 1.59 1.10 0.07 73.28 10:25:01 AM 7 5.69 0.00 1.09 0.67 0.07 92.49 Average: all 17.10 0.00 1.88 0.82 0.07 80.13 Average: 0 9.89 0.00 1.34 0.12 0.07 88.59 Average: 1 15.90 0.00 1.89 0.74 0.08 81.38 Average: 2 21.07 0.00 2.59 1.05 0.08 75.22 Average: 3 27.60 0.00 2.58 1.06 0.07 68.69 Average: 4 16.01 0.00 1.84 0.69 0.08 81.38 Average: 5 17.91 0.00 1.72 0.71 0.06 79.60 Average: 6 17.80 0.00 1.72 1.67 0.06 78.75 Average: 7 10.63 0.00 1.35 0.55 0.06 87.40