FAQ
io.sort.mb and io.sort.factor were renamed and moved to mapreduce but are still in CommonConfigurationKeysPublic.java and used in SequenceFile.java
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Key: HADOOP-6801
URL: https://issues.apache.org/jira/browse/HADOOP-6801
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 0.22.0
Reporter: Erik Steffl
Priority: Minor
Fix For: 0.22.0


Following configuration keys in CommonConfigurationKeysPublic.java (former CommonConfigurationKeys.java):

public static final String IO_SORT_MB_KEY = "io.sort.mb";
public static final String IO_SORT_FACTOR_KEY = "io.sort.factor";

are partially moved:

- they were renamed to mapreduce.task.io.sort.mb and mapreduce.task.io.sort.factor respectively

- they were moved to mapreduce project, documented in mapred-default.xml

However:

- they are still listed in CommonConfigurationKeysPublic.java as quoted above

- strings "io.sort.mb" and "io.sort.factor" are used in SequenceFile.java in Hadoop Common project

Not sure what the solution is, these constants should probably be removed from CommonConfigurationKeysPublic.java but I am not sure what's the best solution for SequenceFile.java.

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postedJun 2, '10 at 10:26p
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