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https://issues.apache.org/jira/browse/HADOOP-13650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HADOOP-13650:
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Attachment: HADOOP-13650-HADOOP-13345.007.patch
Hi, [[email protected]]
Thanks for reviewing the patch. I upload the patch to address your comments.
bq. S3GuardTool could just import Constants.*
done
bq. static private boolean exist(DynamoDB dynamoDB, String tableName) should be
private static
Done.
bq. I think we should also have an fsck command which compares actual and
declared,
Could you help to clarify that what the differences would be between {{s3a
fsck}} and {{s3a diff}} in your mind? For example, would {{diff + destroy +
import}} equals to {{fsck fix up ddb}}, and adding a flag like {{s3a diff
--fail-fast}} equals to {{fail with an exit code}}?
bq. that needs to be in this patch though, or a followon.
If the above differences are significant enough, I would like to file a follow
on JIRA? What would you think?
Also, ping [~cnauroth], [~liuml07] and [~fabbri] for reviews.
Thanks!
> S3Guard: Provide command line tools to manipulate metadata store.
> -----------------------------------------------------------------
>
> Key: HADOOP-13650
> URL: https://issues.apache.org/jira/browse/HADOOP-13650
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: HADOOP-13345
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Attachments: HADOOP-13650-HADOOP-13345.000.patch,
> HADOOP-13650-HADOOP-13345.001.patch, HADOOP-13650-HADOOP-13345.002.patch,
> HADOOP-13650-HADOOP-13345.003.patch, HADOOP-13650-HADOOP-13345.004.patch,
> HADOOP-13650-HADOOP-13345.005.patch, HADOOP-13650-HADOOP-13345.006.patch,
> HADOOP-13650-HADOOP-13345.007.patch
>
>
> Similar systems like EMRFS has the CLI tools to manipulate the metadata
> store, i.e., create or delete metadata store, or {{import}}, {{sync}} the
> file metadata between metadata store and S3.
> http://docs.aws.amazon.com//ElasticMapReduce/latest/ReleaseGuide/emrfs-cli-reference.html
> S3Guard should offer similar functionality.
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