ker, efd)获得轮询文件句柄 ●调用poll(efd)等待有任务执行，然后再调用ucp_worker_progress() ●/dev/cpu_dma_latency 禁止power-saving模式 ●由于rdma速度很快，内核调度时延对性能影响很大。关键应用应开启busy poll。323334 BRPC怎么指定使用UCX?35 修改 BRPC ChannelOptions 增加字段：36

will handle O_APPEND. However, unless all changes to the file come through the kernel this will not work reliably. The filesystem should thus either ignore the O_APPEND flag (and let the kernel handle it)

# user_allow_other - Using the allow_other mount option works fine as root, in # order to have it work as user you need user_allow_other in /etc/fuse.conf as # well. (This option allows users to use the