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HDFS, mail # user - Encryption in HDFS

Seonyeong Bak 2013-02-26, 05:10
java8964 java8964 2013-02-26, 19:52
Michael Segel 2013-02-27, 12:58
Mathias Herberts 2013-02-26, 06:43
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Re: Encryption in HDFS
Seonyeong Bak 2013-02-28, 15:28

1) To my knowledge, there is no way to split the encrypted file in apache
hadoop. In hadoop 1.1.X, however, It is possible to decrypt the encrypted
file individually by block, using SplittableCompressionCodec and

SplittableCompressionCodec -
SplitCompressionInputStream -

2) I don't use the Decompressor Stream and BlockDompressorStream. My
implementation was developed as like bzip2 implementation.
If you analyze bzip2 code, I think you will get a big help.

3) I want to share my implementation after cleansing my code.

I'm sorry for late reply.

- seonpark