CONSTP-61034：CPU数量多且单个卷负载巨大的系统上的客户端NFS运行性能下降

问题描述

cpu_busy abnormally high on a 48-CPU A800(usually > 90%)
nwk_exempt CPU domain util abnormally high (usually > 2000%) on a 48-CPU A800
cluster1::*> set diag; system node run -node nodeA -command systat -c 10 -M 1; set admin AVG Nwk_Excl Nwk_Lg Nwk_Exmpt Protocol Cluster Storage Raid Raid_Ex Target Kahuna WAFL_Ex(Kahu) WAFL_XClean SM_Exempt Exempt SSAN_Ex Intr Host 45% 4% 7% 2150% 0% 0% 6% 2% 6% 5% 42% 32% 35% 0% 0% 9% 9% 6% 48% 4% 7% 2159% 0% 0% 5% 8% 5% 3% 48% 43% 37% 0% 0% 10% 7% 5% 68% 5% 8% 2155% 3% 10% 3% 7% 0% 0% 60% 105% 45% 0% 0% 10% 7% 5%