首先,我用FileScanner找到清单8中的checksum方法创建的每个校验和文件。
First, I've used a FileScanner to find every checksum file created from the checksum method from Listing 8.
当某个客户端创建一个新的HDFS文件,会计算这个文件每个block的校验和,并作为一个单独的隐藏文件保存这些校验和在同一个HDFS namespace下。
When a client creates an HDFS file, it computes a checksum of each block of the file and stores these checksums in a separate hidden file in the same HDFS namespace.
创建简单的报告,列出每个类文件及其对应的校验和。
Create a simple report that lists each class file and its corresponding checksum.
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