[MAPREDUCE-5092] Parameter 'chunks' of org.apache.hadoop.mapred.lib.db.DBInputFormat.getSplits method is ignored

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.3-alpha, 0.23.5, 3.0.0-alpha1
• Assignee: Unassigned
• Reporter: Dennis Y
• Created: 22/Mar/13 11:44
• Updated: 12/May/16 18:24

Description

Class
org.apache.hadoop.mapred.lib.db.DBInputFormat
(hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/lib/db/DBInputFormat.java)

contains method:
public InputSplit[] getSplits(JobConf job, int chunks) throws IOException
but 'chunks' parameter is ignored.

Chunks count taken from 'job.getConfiguration().getInt(MRJobConfig.NUM_MAPS, 1);'

affects trunk, branch-2, branch-0.23