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https://issues.apache.org/jira/browse/OOZIE-2874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andras Piros updated OOZIE-2874:
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Description: In order to prepare for YARN's [*rack-schedulable AM
feature*|YARN-6050], and [*its MapReduce counterpart*|MAPREDUCE-6871], let's
have the possibility of making the Launcher Mapper map-only job's
[{{InputFormat}}|https://github.com/apache/hadoop/blob/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/InputFormat.java]
class pluggable in order to provide alternative implementations that can
behave differently from
[{{OozieLauncherInputFormat}}|https://github.com/apache/oozie/blob/master/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/OozieLauncherInputFormat.java]
that does not request any HDFS resources. (was: In order to prepare for
YARN's [*rack-schedulable AM feature*|YARN-6050], and [*its MapReduce
counterpart*|MAPREDUCE-6871], let's have the possibility of making the Launcher
Mapper map-only job's {{InputFormat}} class pluggable in order to provide
alternative implementations that can behave differently from
[{{OozieLauncherInputFormat}}|https://github.com/apache/oozie/blob/master/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/OozieLauncherInputFormat.java]
that does not request any HDFS resources.)
> Make the Launcher Mapper map-only job's InputFormat class pluggable in order
> to provide alternative implementations
> -------------------------------------------------------------------------------------------------------------------
>
> Key: OOZIE-2874
> URL: https://issues.apache.org/jira/browse/OOZIE-2874
> Project: Oozie
> Issue Type: Improvement
> Affects Versions: 4.3.0
> Reporter: Andras Piros
> Assignee: Andras Piros
> Fix For: 5.0.0
>
>
> In order to prepare for YARN's [*rack-schedulable AM feature*|YARN-6050], and
> [*its MapReduce counterpart*|MAPREDUCE-6871], let's have the possibility of
> making the Launcher Mapper map-only job's
> [{{InputFormat}}|https://github.com/apache/hadoop/blob/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/InputFormat.java]
> class pluggable in order to provide alternative implementations that can
> behave differently from
> [{{OozieLauncherInputFormat}}|https://github.com/apache/oozie/blob/master/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/OozieLauncherInputFormat.java]
> that does not request any HDFS resources.
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