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https://issues.apache.org/jira/browse/NUTCH-1180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13148444#comment-13148444
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Hudson commented on NUTCH-1180:
-------------------------------
Integrated in nutch-trunk-maven #19 (See
[https://builds.apache.org/job/nutch-trunk-maven/19/])
NUTCH-1180 UpdateDB to backup previous CrawlDB
markus :
http://svn.apache.org/viewvc/nutch/trunk/viewvc/?view=rev&root=&revision=1200830
Files :
* /nutch/trunk/CHANGES.txt
* /nutch/trunk/conf/nutch-default.xml
* /nutch/trunk/src/java/org/apache/nutch/crawl/CrawlDb.java
> UpdateDB to backup previous CrawlDB
> -----------------------------------
>
> Key: NUTCH-1180
> URL: https://issues.apache.org/jira/browse/NUTCH-1180
> Project: Nutch
> Issue Type: Improvement
> Reporter: Markus Jelsma
> Assignee: Markus Jelsma
> Priority: Minor
> Fix For: 1.5
>
> Attachments: NUTCH-1180-1.5.-1.patch
>
>
> Nutch currently replaces an existing CrawlDB with the new CrawlDB. By
> optionally keeping a previous version on HDFS users can easily revert in case
> of a mistake without relying on external backup mechanims.
> This should be enabled by default.
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