7.2

文档摘要

7.2 “”“”“Hadoop”“Spark”“” 7.2 AI“” AI“PB”“” CVNLPAI AI AI “” AB —— TBPB “” HDFS (Hadoop Distributed File System) Hadoop NameNode () HDFS“” DataNode () NameNode 128MBDataNode3 NameNodeHAHDFS CV/NLP (AWS S3, OSS) “”HTTP/HTTPS “” HDFSHDFSS3 CV/NLP /AI NoSQL (HBase, Cassandra) HBase HDFS Cassandra NoSQL CV/NLP / TB —— “” CPU MapReduce (Hadoop)