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MapR is a third-party application that offers an open, enterprise-grade distribution that makes Hadoop easier to use and more dependable. For ease of use, MapR provides network file system (NFS) and open database connectivity (ODBC) interfaces, a comprehensive management suite, and automatic compression. For dependability, MapR provides high availability with a self-healing no-NameNode architecture, and data protection with snapshots, disaster recovery, and with cross-cluster mirroring. For more information about MapR, go to http://www.mapr.com/.
There are two versions of MapR available on Amazon EMR:
M3 Edition (v2.1.2)—A complete, easy to use, dependable distribution available at no additional charge over standard hourly Amazon EMR fees.
M5 Edition (v2.1.2)—The full set of MapR functionality, including high availability, mirroring, snapshots, and data placement control, all for a nominal additional hourly fee over standard hourly Amazon EMR fees. For more information, including pricing, see MapR on Amazon EMR Detail Page.
The MapR distribution for Hadoop does not support Apache HBase.