摘要: /** A section of an input file. Returned by {@link * InputFormat#getSplits(JobContext)} and passed to * {@link InputFormat#createRecordReader(InputSplit,TaskAttemptContext)}. * * 文件的一部分,通过InputForm... 阅读全文
posted @ 2018-07-20 10:49 天添 阅读(938) 评论(0) 推荐(0) 编辑
摘要: /** * InputSplit represents the data to be processed by an * individual {@link Mapper}. * InputSplit 代表可以被Mapper处理的数据 * Typically, it presents a byte-oriented view on the input and is the * r... 阅读全文
posted @ 2018-07-20 10:40 天添 阅读(637) 评论(0) 推荐(0) 编辑