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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15223) Make convertScanToString public for Spark
Date Thu, 11 Feb 2016 03:10:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15142183#comment-15142183
] 

Hudson commented on HBASE-15223:
--------------------------------

FAILURE: Integrated in HBase-1.3 #548 (See [https://builds.apache.org/job/HBase-1.3/548/])
HBASE-15223 Make convertScanToString public for Spark (jerryjch: rev bc1d8367389e14724cb6d79f3b0abac69266f0b0)
* hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableSplit.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RSRpcServices.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java


> Make convertScanToString public for Spark
> -----------------------------------------
>
>                 Key: HBASE-15223
>                 URL: https://issues.apache.org/jira/browse/HBASE-15223
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jerry He
>            Assignee: Jerry He
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-15223-branch-1-v2.patch, HBASE-15223-branch-1.patch, HBASE-15223-master.patch,
HBASE-15223-master.patch
>
>
> One way to access HBase from Spark is to use newAPIHadoopRDD, which can take a TableInputFormat
as class name.  But we are not able to set a Scan object in there, for example to set a HBase
filter.
> In MR,  the public API TableMapReduceUtil.initTableMapperJob() or equivalent is used
which can take a Scan object.  But this call is not used in Spark conveniently. 
> We need to make the TableMapReduceUtil.convertScanToString() public.
> So that a Scan object can be created, populated and then convert to the property and
used by Spark.  They are now package private.  



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