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Hudson commented on MAPREDUCE-579: ---------------------------------- SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2093 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2093/]) MAPREDUCE-579. Streaming slowmatch documentation. (harsh: rev b6dea9776b92c46d2ca593f7ada0a3b5dfdc2e04) * hadoop-mapreduce-project/CHANGES.txt * hadoop-tools/hadoop-streaming/src/site/markdown/HadoopStreaming.md.vm > Streaming "slowmatch" documentation > ----------------------------------- > > Key: MAPREDUCE-579 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-579 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: contrib/streaming > Affects Versions: 2.6.0 > Reporter: Bo Adler > Assignee: Harsh J > Priority: Trivial > Fix For: 2.8.0 > > Attachments: MAPREDUCE-579.patch > > > The documentation for the Streaming module do not include any mention of the > "slowmatch" parameter, which checks for CDATA sections while looking for XML > records. > An important point is that "slowmatch=true" violates the principle of least > surprise: the "begin" and "end" parameters become regular expressions instead > of exact strings. This is probably a useful feature, but should definitely > be noted since users will be tempted to use the XML record reader on > not-strictly-xml files, which may require escaping the "begin" and "end" > patterns. -- This message was sent by Atlassian JIRA (v6.3.4#6332)