Viewing the number of blocks for a file in hadoop

Question

How can I view how many blocks has a file been broken into, in a Hadoop file system?

Answer 1

This should work..

hadoop fs -stat "%o" /path/to/file

Answer 2

We can use hadoop file system check command to know the blocks for the specific file.

Below is the command:

hadoop fsck [path] [options]

To view the blocks for the specific file :

hadoop fsck /path/to/file -files -blocks

Answer 3

hadoop fsck filetopath

used the above commad in CDH 5. Got the below Error.

hadoop-hdfs/bin/hdfs: line 262: exec: : not found

Use the below command and it worked good

hdfs fsck filetopath