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https://issues.apache.org/jira/browse/HADOOP-13345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925108#comment-15925108
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Mingliang Liu commented on HADOOP-13345:
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Easy and useful change. According to:
{quote}
DDB - TableName
The name of the table to create.
Type: String
Length Constraints: Minimum length of 3. Maximum length of 255.
Pattern: {noformat}[a-zA-Z0-9_.-]+{noformat}
Required: Yes
{quote}
And
{quote}
S3: Rules for Bucket Naming:
Bucket names must be at least 3 and no more than 63 characters long.
Bucket names must be a series of one or more labels. Adjacent labels are
separated by a single period (.). Bucket names can contain lowercase letters,
numbers, and hyphens. Each label must start and end with a lowercase letter or
a number.
Bucket names must not be formatted as an IP address (e.g., 192.168.5.4).
When using virtual hosted–style buckets with SSL, the SSL wildcard certificate
only matches buckets that do not contain periods. To work around this, use HTTP
or write your own certificate verification logic. We recommend that you do not
use periods (".") in bucket names.
{quote}
S3Guard_ or S3Guard- works good as a prefix.
Alternatively, we can add tags for DDB tables. See
http://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TagResource.html
> S3Guard: Improved Consistency for S3A
> -------------------------------------
>
> Key: HADOOP-13345
> URL: https://issues.apache.org/jira/browse/HADOOP-13345
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs/s3
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HADOOP-13345.prototype1.patch, s3c.001.patch,
> S3C-ConsistentListingonS3-Design.pdf, S3GuardImprovedConsistencyforS3A.pdf,
> S3GuardImprovedConsistencyforS3AV2.pdf
>
>
> This issue proposes S3Guard, a new feature of S3A, to provide an option for a
> stronger consistency model than what is currently offered. The solution
> coordinates with a strongly consistent external store to resolve
> inconsistencies caused by the S3 eventual consistency model.
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