...作负载 hadoop涉及到的io操作,主要包括下列几项: 索引(indexing) 群化(grouping) 数据导入和导出(data importing and exporting) 数据移动和转换(..
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Importing and Exporting Data 数据的输入与输出
It provides various means of importing and exporting data, either for reporting or backup purposes.
无论是报表还是备份，它都提供了各种方式来导入和导出数据。
Difficulty importing and exporting data: Another major issue with BigTable is the inability to import and export data.
导入和导出数据的难题：BigTable的另一个主要问题是无法导入和导出数据。
MongoDB's bin directory contains a series of utilities for importing and exporting data in a variety of formats.
MongoDB的bin目录包含了一系列工具，可用于以各种格式导入和导出数据。
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