question Re: What methods are available for moving files into an HDFS Encryption Zone? in Archives of Support Questions (Read Only)

What methods are available for moving files into an HDFS Encryption Zone?

nfakhar — Tue, 29 Sep 2015 05:19:20 GMT

is distcp the best/only mechanism for moving files into an encryption zone? The documentation says so. But would an hdfs mv or cp also work just fine?

Re: What methods are available for moving files into an HDFS Encryption Zone?

bganesan — Tue, 29 Sep 2015 05:23:25 GMT

You should be use copyFromLocal or any other commands as well to copy files into EZ. You would not be able to use mv from an EZ

Re: What methods are available for moving files into an HDFS Encryption Zone?

sroberts — Tue, 29 Sep 2015 05:42:24 GMT

The 'hadoop' command-line natively supports Encryption Zones so most file system operations (copyFromLocal, put, distCp) will work.

See more example usage in the Apache Hadoop docs.

And note that there are some considerations for copying between encrypted and unencrypted locations.

Re: What methods are available for moving files into an HDFS Encryption Zone?

dstreev — Wed, 30 Sep 2015 01:12:27 GMT

With distcp, you'll be able to encrypt a large set of data faster.

Don't forget to add the distcp command options:

--skipcrccheck --update