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https://issues.apache.org/jira/browse/HBASE-5521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222555#comment-13222555
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[email protected] commented on HBASE-5521:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/4182/
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Review request for hbase, Dhruba Borthakur and Scott Chen.
Summary
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Move compression/decompression to an encoder specific encoding context
This addresses bug HBASE-5521.
https://issues.apache.org/jira/browse/HBASE-5521
Diffs
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/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileDataBlockEncoder.java
1297201
/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileDataBlockEncoderImpl.java
1297201
/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV2.java 1297201
/src/main/java/org/apache/hadoop/hbase/io/hfile/NoOpDataBlockEncoder.java
1296006
/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java 1297201
/src/main/java/org/apache/hadoop/hbase/io/encoding/HFileBlockDecodingContext.java
PRE-CREATION
/src/main/java/org/apache/hadoop/hbase/io/encoding/HFileBlockDefaultDecodingContext.java
PRE-CREATION
/src/main/java/org/apache/hadoop/hbase/io/encoding/HFileBlockDefaultEncodingContext.java
PRE-CREATION
/src/main/java/org/apache/hadoop/hbase/io/encoding/HFileBlockEncodingContext.java
PRE-CREATION
/src/main/java/org/apache/hadoop/hbase/io/hfile/Compression.java 1297201
/src/main/java/org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.java
1297201
/src/main/java/org/apache/hadoop/hbase/io/encoding/EncodedDataBlock.java
1297201
/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
1297201
/src/main/java/org/apache/hadoop/hbase/io/encoding/CopyKeyDataBlockEncoder.java
1297201
/src/main/java/org/apache/hadoop/hbase/io/encoding/DataBlockEncoder.java
1297201
/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlock.java 1297201
/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileDataBlockEncoder.java
1297201
/src/test/java/org/apache/hadoop/hbase/regionserver/DataBlockEncodingTool.java
1297201
Diff: https://reviews.apache.org/r/4182/diff
Testing
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Thanks,
Yongqiang
> Move compression/decompression to an encoder specific encoding context
> ----------------------------------------------------------------------
>
> Key: HBASE-5521
> URL: https://issues.apache.org/jira/browse/HBASE-5521
> Project: HBase
> Issue Type: Improvement
> Reporter: He Yongqiang
> Attachments: HBASE-5521.1.patch
>
>
> As part of working on HBASE-5313, we want to add a new columnar
> encoder/decoder. It makes sense to move compression to be part of
> encoder/decoder:
> 1) a scanner for a columnar encoded block can do lazy decompression to a
> specific part of a key value object
> 2) avoid an extra bytes copy from encoder to hblock-writer.
> If there is no encoder specified for a writer, the HBlock.Writer will use a
> default compression-context to do something very similar to today's code.
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