基于电商物流的数据仓库的构建研究
【文章页数】:87 页
【学位级别】:硕士
【部分图文】:
图1-1?HDFS的运行底层结构和运行流程图??Figure?1-1?Underlying?structure?and?mnning?flow?of?the?HDFS??
数据信息,datanode主要存??储的是用户所要存储的数据???1?鏖十》^???—?checkpoint机??■?-?--,namenode?——-——??secondary????溝求查询数据???h??namenode??客户端??载均衡?心跳机^副本管理??a?,???....
图2-2?Yarn运行时的底层结构和流程图??Figure?2-2?Basic?structure?and?flowchart?of?Yam?running??
^duler??客户端?丨任-夸调酿??@行?\?从任务队列中領取任务??MRAppMasj!>^if^舰仔务?\丨从任务P人列??倩况?\?1中麵仔努?? ̄丨?-丨 ̄??MRAppMaster????container?containei??varnchilc:?'.?r-- ̄....
图2-3?Hive的底层架构图??Figure?2-3?Underlying?architecture?of?Hive??
?2数据仓库的相关技术???CLI?Thrift?Server??|?JDBC?|?1?ODBC?1??driver??meta?a?l?a?.凋¥??Store?叫?physical?query?mr或??parser?plan?optimizer?者??解析器?编译器?优化器....
图2-4?flume的运行流程图??-
?2数据仓库的相关技术???CLI?Thrift?Server??|?JDBC?|?1?ODBC?1??driver??meta?a?l?a?.凋¥??Store?叫?physical?query?mr或??parser?plan?optimizer?者??解析器?编译器?优化器....
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