Hadoop - HDFS - 查看文件拆分的命令

Question

在Hadoop FsShell（或hdfs命令）中是否有命令行查看文件的拆分或查看文件在数据节点上的拆分情况放入HDFS？

Answer 1

HDFS fsck的好像是你以后在做什么：

$ hdfs fsck /import/collections/part-00000 -files -blocks 
Connecting to namenode via http://vm28-hulk-priv:50070 
FSCK started by usrhadoop (auth:SIMPLE) from /10.237.241.28 for path /import/collections/part-00000 at Thu Mar 19 07:35:15 EDT 2015 
/import/collections/part-00000 3620228 bytes, 1 block(s): OK 
0. BP-1201623000-10.237.241.28-1421858661680:blk_1074635302_894483 len=3620228 repl=3 

Status: HEALTHY 
Total size: 3620228 B 
Total dirs: 0 
Total files: 1 
Total symlinks:    0 
Total blocks (validated):  1 (avg. block size 3620228 B) 
Minimally replicated blocks: 1 (100.0 %) 
Over-replicated blocks:  0 (0.0 %) 
Under-replicated blocks:  0 (0.0 %) 
Mis-replicated blocks:   0 (0.0 %) 
Default replication factor: 3 
Average block replication:  3.0 
Corrupt blocks:    0 
Missing replicas:    0 (0.0 %) 
Number of data-nodes:   4 
Number of racks:    1 
FSCK ended at Thu Mar 19 07:35:15 EDT 2015 in 1 milliseconds 


The filesystem under path '/import/collections/part-00000' is HEALTHY