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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16704) Scan will be broken while working with DBE and KeyValueCodecWithTags
Date Mon, 26 Sep 2016 19:40:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15523978#comment-15523978
] 

Hudson commented on HBASE-16704:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #1678 (See [https://builds.apache.org/job/HBase-Trunk_matrix/1678/])
HBASE-16704 Scan will be broken while working with DBE and (anoopsamjohn: rev 43f47a8e73792b4934b3b53d0b8ee880b5edd8c8)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.java
* (edit) hbase-common/src/main/java/org/apache/hadoop/hbase/CellUtil.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/io/encoding/TestBufferedDataBlockEncoder.java
* (edit) hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java


> Scan will be broken while working with DBE and KeyValueCodecWithTags
> --------------------------------------------------------------------
>
>                 Key: HBASE-16704
>                 URL: https://issues.apache.org/jira/browse/HBASE-16704
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Yu Sun
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16704.patch
>
>
> scan will always broken if we set LIMIT more than 1 with rs  hbase.client.rpc.codec set
to org.apache.hadoop.hbase.codec.KeyValueCodecWithTags.
> How to reproduce:
> 1. 1 master + 1 rs, codec use KeyValueCodecWithTags.
> 2.  create a table table_1024B_30g,1 cf and with only 1 qualifier, then load some data
with ycsb,.  Use Diff DataBlockEncoding
> 3. scan 'table_1024B_30g', {LIMIT => 2, STARTROW => 'user5499'}, STARTROW  is set
any valid start row.
> 4. scan failed.
> this should be bug in KeyValueCodecWithTags, after some investigations, I found some
the key not serialized correctly.



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