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Posted to common-commits@hadoop.apache.org by Apache Wiki <wi...@apache.org> on 2007/06/12 23:09:19 UTC

[Lucene-hadoop Wiki] Update of "AmazonS3" by TomWhite

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The following page has been changed by TomWhite:
http://wiki.apache.org/lucene-hadoop/AmazonS3

The comment on the change is:
Added notes on S3 version numbers

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  See [https://issues.apache.org/jira/browse/HADOOP-882 HADOOP-882] for discussion of the above issues and workarounds/fixes.   
  
+ = S3 FileSystem Version Numbers =
+ From release 0.13.0 the S3 filesystem stores a version number in the file metadata. This table lists the first Hadoop release for each version number.
+ ||'''Version number'''||'''Release'''||
+ ||Unversioned         ||0.10.0       ||
+ ||1                   ||0.13.0       ||
+ 
+ There is a migration tool (`org.apache.hadoop.fs.s3.MigrationTool`) that can be used to migrate data to the latest version. Run it without arguments to get usage instructions.
+