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https://issues.apache.org/jira/browse/NUTCH-2375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16166475#comment-16166475
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ASF GitHub Bot commented on NUTCH-2375:
---------------------------------------
sebastian-nagel commented on a change in pull request #221: NUTCH-2375
Upgrading nutch to use org.apache.hadoop.mapreduce
URL: https://github.com/apache/nutch/pull/221#discussion_r138929528
##########
File path: src/java/org/apache/nutch/segment/SegmentMerger.java
##########
@@ -120,20 +121,18 @@
*
* @author Andrzej Bialecki
*/
-public class SegmentMerger extends Configured implements Tool,
- Mapper<Text, MetaWrapper, Text, MetaWrapper>,
- Reducer<Text, MetaWrapper, Text, MetaWrapper> {
+public class SegmentMerger extends Configured implements Tool{
private static final Logger LOG = LoggerFactory
.getLogger(MethodHandles.lookup().lookupClass());
private static final String SEGMENT_PART_KEY = "part";
private static final String SEGMENT_SLICE_KEY = "slice";
- private URLFilters filters = null;
- private URLNormalizers normalizers = null;
- private SegmentMergeFilters mergeFilters = null;
- private long sliceSize = -1;
- private long curCount = 0;
+ private static URLFilters filters = null;
+ private static URLNormalizers normalizers = null;
+ private static SegmentMergeFilters mergeFilters = null;
+ private static long sliceSize = -1;
+ private static long curCount = 0;
Review comment:
See comments in Generator etc. regarding static variables shared between
mapper and reducer classes.
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> Upgrade the code base from org.apache.hadoop.mapred to
> org.apache.hadoop.mapreduce
> ----------------------------------------------------------------------------------
>
> Key: NUTCH-2375
> URL: https://issues.apache.org/jira/browse/NUTCH-2375
> Project: Nutch
> Issue Type: Improvement
> Components: deployment
> Reporter: Omkar Reddy
>
> Nutch is still using the deprecated org.apache.hadoop.mapred dependency which
> has been deprecated. It need to be updated to org.apache.hadoop.mapreduce
> dependency.
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