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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-728) Creat a comprehensive functional test for append
Date Fri, 23 Oct 2009 00:35:59 GMT
Creat a comprehensive functional test for append

                 Key: HDFS-728
                 URL: https://issues.apache.org/jira/browse/HDFS-728
             Project: Hadoop HDFS
          Issue Type: New Feature
    Affects Versions: 0.21.0
            Reporter: Hairong Kuang
             Fix For: 0.21.0

This test aims to do
1. create a file of len1;
2. reopen the file for append;
3. write len2 bytes to the file and hflush;
4. write len3 bytes to the file and close the file;
5. validate the content of the file.

Len1 ranges from [0, 2*BLOCK_SIZE+1], len2 ranges from [0, BLOCK_SIZE+1], and len3 ranges
from [0, BLOCK_SIZE+1]. The test tries all combination of len1, len2, and len3. To minimize
the running time, bytes per checksum is set to be 4 bytes, each packet size is set to be bytes
per checksum, and each block contains 2 packets.

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