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https://issues.apache.org/jira/browse/HBASE-5521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13232149#comment-13232149
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Phabricator commented on HBASE-5521:
------------------------------------
tedyu has commented on the revision "HBASE-5521 [jira] Move
compression/decompression to an encoder specific encoding context".
Looks good.
I will defer the acceptance decision to Mikhail.
INLINE COMMENTS
src/main/java/org/apache/hadoop/hbase/io/encoding/HFileBlockEncodingContext.java:40
Should we say 'uncompressed' instead of 'not heavily compressed' here so that
the javadoc is consistent with the name of the method ?
REVISION DETAIL
https://reviews.facebook.net/D2097
> 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
> Assignee: He Yongqiang
> Fix For: 0.96.0
>
> Attachments: HBASE-5521.1.patch, HBASE-5521.D2097.1.patch,
> HBASE-5521.D2097.10.patch, HBASE-5521.D2097.2.patch,
> HBASE-5521.D2097.3.patch, HBASE-5521.D2097.4.patch, HBASE-5521.D2097.5.patch,
> HBASE-5521.D2097.6.patch, HBASE-5521.D2097.7.patch, HBASE-5521.D2097.8.patch,
> HBASE-5521.D2097.9.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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