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5.2 Application Development
This section contains information related to application development for ecosystem components and MapR products including MapR-DB (binary and JSON), MapR-FS, and MapR Streams.
Ecosystem Components
The following sections provide information about each open source project that MapR supports.
MapR Streams Clients and Tools

MapR 5.2 Documentation

5.2 Application Development
This section contains information related to application development for ecosystem components and MapR products including MapR-DB (binary and JSON), MapR-FS, and MapR Streams.
- Connecting to the Cluster
  Application are often run on nodes that are not part of the MapR Cluster. There are many methods to connect to a MapR cluster; this section will briefly describe each option.
- MapR-FS and Applications
  The following sections provide information about accessing MapR-FS with C and Java applications.
- MapR-DB and Applications
  This section contains information on developing client applications for binary and JSON tables.
- MapR Streams and Applications
  MapR Streams brings integrated publish/subscribe messaging to the MapR Converged Data Platform.
- MapReduce and Applications
  This section contains information associated with developing MapReduce programs or YARN applications.
- Ecosystem Components
  The following sections provide information about each open source project that MapR supports.
  - MapR Expansion Packs
    A MapR Expansion Pack (MEP) provides a set of ecosystem components that work together on one or more MapR cluster versions. Only one version of each ecosystem component is available in each MEP. For example, only one version of Hive and one version of Spark is supported in a MEP.
  - AsyncHBase
  - Cascading
  - Drill
  - Flume
  - HBase
  - HCatalog
  - Hive
  - HttpFS
  - Hue
  - Impala
  - Mahout
  - MapR Streams Clients and Tools
    - Kafka REST Proxy for MapR-ES
      The Kafka REST Proxy 2.0.1 for MapR-ES provides a RESTful interface to MapR-ES clusters to consume and produce messages and to perform administrative operations. This release of Kafka REST Proxy 2.0.1 is associated with MEP 2.x, 3.x, and 4.x.
    - Kafka Connect for MapR-ES
      Kafka Connect for MapR-ES is a utility for streaming data between MapR-ES and Apache Kafka and other storage systems. This release of Kafka Connect is associated with MEP 2.x, 3.x, and 4.x.
  - Myriad
  - Oozie
  - Pig
  - OpenStack Sahara (Ocata)
  - Sentry
  - Spark
  - Sqoop
  - Storm
  - Third Party Solutions
- Maven and MapR
  This section discusses topics associated with Maven and MapR.
- Developer's Reference
  This section contains in-depth information for the developer.
- API Documentation
  This topic provides links to the locations of MapR's public APIs. These APIs are available for application development purposes.

MapR Streams Clients and Tools

The following clients and tools are available for MapR Streams:

MapR Streams Tools

For a RESTful interface to MapR Streams, use the Kafka REST Proxy for MapR Streams. This tool is available as of MEP 2.0.0. See Kafka REST Proxy for MapR-ES
To stream data between MapR Streams, Apache Kafka, and other storage systems, use Kafka Connect for MapR Streams. This tool is available as of MEP 2.0.0. See Kafka Connect for MapR-ES

MapR Streams Clients

To develop MapR Streams applications in C, use the MapR Steams C Client. This client is available as of MapR 5.2.1 with MEP 3.0. See MapR Streams C Applications
To develop MapR Streams applications in Java, use the MapR Streams Java Client. See MapR Streams Java Applications
To develop MapR Streams applications in Python, use the MapR Streams Python Client. This client is available as of MapR 5.2.1 with MEP 3.0. See MapR Streams Python Applications