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HBASE-16710 Add ZStandard Codec to Compression.java 

Signed-off-by: Andrew Purtell <apurtell@apache.org>
This commit is contained in:
rahul gidwani 2016-09-27 10:18:09 -07:00 committed by Andrew Purtell
parent df98d8dcd7
commit 0f6c79eb12
2 changed files with 29 additions and 0 deletions
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27
hbase-common/src/main/java/org/apache/hadoop/hbase/io/compress/Compression.java
View File

@ -262,6 +262,33 @@ public final class Compression {
throw new RuntimeException(e);
}
}
},
ZSTD("zstd") {
// Use base type to avoid compile-time dependencies.
private volatile transient CompressionCodec zStandardCodec;
private transient Object lock = new Object();
@Override
CompressionCodec getCodec(Configuration conf) {
if (zStandardCodec == null) {
synchronized (lock) {
if (zStandardCodec == null) {
zStandardCodec = buildCodec(conf);
}
}
}
return zStandardCodec;
}
private CompressionCodec buildCodec(Configuration conf) {
try {
Class<?> externalCodec =
getClassLoaderForCodec().loadClass("org.apache.hadoop.io.compress.ZStandardCodec");
return (CompressionCodec) ReflectionUtils.newInstance(externalCodec, conf);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
};
private final Configuration conf;

2
hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestCompressionTest.java
View File

@ -76,6 +76,7 @@ public class TestCompressionTest {
nativeCodecTest("LZ4", null, "org.apache.hadoop.io.compress.Lz4Codec");
nativeCodecTest("SNAPPY", "snappy", "org.apache.hadoop.io.compress.SnappyCodec");
nativeCodecTest("BZIP2", "bzip2", "org.apache.hadoop.io.compress.BZip2Codec");
nativeCodecTest("ZSTD", "zstd", "org.apache.hadoop.io.compress.ZStandardCodec");
} else {
// Hadoop nativelib is not available
LOG.debug("Native code not loaded");
@ -83,6 +84,7 @@ public class TestCompressionTest {
assertFalse(CompressionTest.testCompression("LZ4"));
assertFalse(CompressionTest.testCompression("SNAPPY"));
assertFalse(CompressionTest.testCompression("BZIP2"));
assertFalse(CompressionTest.testCompression("ZSTD"));
}
}