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compression algorithm

Question asked by udi on Oct 23, 2013
Latest reply on Oct 24, 2013 by keysbotzum

We are trying to figure out what is the best compression algorithm for us to use on our MapR cluster.
I have read that MapR comes with 3  compression libraries. Also, I read that using them should be transparent, and that you can seek, read, write or update compressed files. few questions:
 - does the above mean that the compressed files (by the MapR libraries) are splitted on the cluster?
 - are the MapR compression libraries proprietary for MapR. will the compressed file be readable on other Hadoop Apache clusters if they are mounted on them? or on amazon S3?