Accessing Cloud Data
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Referencing S3 Data in Applications

You can reference data in Amazon S3 using a URL starting with the s3a:// prefix followed by bucket name and path to file or directory.

The URL structure is:


For example, to access a file called "mytestfile" in a directory called "mytestdir", which is stored in a bucket called "mytestbucket", the URL is:


The following FileSystem shell commands demonstrate access to a bucket named mytestbucket:

hadoop fs -ls s3a://mytestbucket/

hadoop fs -mkdir s3a://mytestbucket/testDir

hadoop fs -put testFile s3a://mytestbucket/testFile

hadoop fs -cat s3a://mytestbucket/testFile