Error Scenario: java.lang.UnsatisfiedLinkError: org.apache.hadoop.util.NativeCodeLoader.buildSupportsSnappy()Z We will receive this error message if we try to read snappy files without having snappy compression/decompression codec installed properly. 


Resolution: We should install snappy compression/decompression codec to resolve this error message and its corresponding .so files should be available (copied from /usr/local/bin) in $HADOOP_HOME/lib/native directory location. For Snappy Installation instructions please read through this post.

Snappy Compression Tool 4

In This post, we will discuss about basic details about google’s snappy compression technique. Snappy Compression Introduction: Snappy is one of the fast compression/decompression tools. It formerly known as Zippy. Snappy is written in C++, and is widely used inside Google, in everything from BigTable and MapReduce to our internal RPC systems. It can be used in open-source projects like Cassandra, Hadoop and Lucene etc. It does not aim for maximum […]

Review Comments
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I am a plsql developer. Intrested to move into bigdata.

Neetika Singh ITA Hadoop in Dec/2016 December 22, 2016