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From GitBox <...@apache.org>
Subject [GitHub] [hadoop] noslowerdna commented on a change in pull request #666: HADOOP-16221 add option to fail operation on metadata write failure
Date Mon, 01 Apr 2019 21:51:55 GMT
noslowerdna commented on a change in pull request #666: HADOOP-16221 add option to fail operation
on metadata write failure
URL: https://github.com/apache/hadoop/pull/666#discussion_r271064956
 
 

 ##########
 File path: hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/s3guard.md
 ##########
 @@ -1069,6 +1106,19 @@ java.io.IOException: Invalid region specified "iceland-2":
 
 The region specified in `fs.s3a.s3guard.ddb.region` is invalid.
 
+### `MetadataPersistenceException`
+
+An filesystem write operation failed due to failure to persist metadata to
+S3Guard.  The file was successfully written to S3 and now the S3Guard metadata
+is likely to be out of sync.
+
+The S3Guard metadata for the given file can be corrected with a command like
 
 Review comment:
   see comment above

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