[jira] [Created] (HBASE-26258) Universal SNAPPY and ZSTD compression support via aircompressor

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

Andrew Kyle Purtell created HBASE-26258:
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             Summary: Universal SNAPPY and ZSTD compression support via aircompressor
                 Key: HBASE-26258
                 URL: https://issues.apache.org/jira/browse/HBASE-26258
             Project: HBase
          Issue Type: Improvement
          Components: HFile
            Reporter: Andrew Kyle Purtell
            Assignee: Andrew Kyle Purtell
             Fix For: 2.5.0, 3.0.0-alpha-2


Some Hadoop compression codecs became more available in recent Hadoop 3.x releases, addressed by HBASE-25940. This is nice but still requires native platform support, which to state the obvious is not available on all platforms and architectures, even if native libaries for some are bundled into jars. 

Airlift's aircompressor (https://search.maven.org/artifact/io.airlift/aircompressor) is an Apache 2 licensed library, for Java 8 and up, available in Maven central, which provides both pure Java implementations of gzip, lz4, lzo, snappy, and zstd and Hadoop compression codecs for same, claiming "_they are typically 300% faster than the JNI wrappers_." (https://github.com/airlift/aircompressor). This library is under active development and up to date releases because it is used by Trino.  

We have another project that depends on universal availability of SNAPPY. I would like to make this change as a general improvement which also satisfies that requirement. (The as yet unnamed project will be contributed later.) It will be a very nice-to-have to have universal ZSTD support available as well. 

Proposed changes:
* Modify Compression.java such that compression codec implementation classes can be specified by configuration. Currently they are hardcoded as strings. 
* Pull in aircompressor as a 'compile' time dependency so it will be bundled into our build and made available on the server classpath. 
* Modify Compression.java to fall back to an aircompressor pure Java implementation if schema specifies a compression algorithm, a Hadoop native codec was specified as desired implementation, but the requisite native support is somehow not available. 



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