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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13908) S3Guard: Existing tables may not be initialized correctly in DynamoDBMetadataStore
Date Tue, 10 Jan 2017 00:12:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15813310#comment-15813310
] 

Mingliang Liu commented on HADOOP-13908:
----------------------------------------

Thanks [~cnauroth], [~stevel@apache.org] and [~rajesh.balamohan] for discussion and review.
Thanks Chris for commit!

p.s. [HADOOP-13959] is to replace the {{describe()}} with more lightweight operation for probing
the table status. Let's track effort there.

> S3Guard: Existing tables may not be initialized correctly in DynamoDBMetadataStore
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-13908
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13908
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: HADOOP-13345
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>             Fix For: HADOOP-13345
>
>         Attachments: HADOOP-13908-HADOOP-13345.000.patch, HADOOP-13908-HADOOP-13345.001.patch,
HADOOP-13908-HADOOP-13345.002.patch, HADOOP-13908-HADOOP-13345.002.patch, HADOOP-13908-HADOOP-13345.003.patch,
HADOOP-13908-HADOOP-13345.004.patch, HADOOP-13908-HADOOP-13345.005.patch, HADOOP-13908-HADOOP-13345.006.patch
>
>
> This was based on discussion in [HADOOP-13455]. Though we should not create table unless
the config {{fs.s3a.s3guard.ddb.table.create}} is set true, we still have to get the existing
table in {{DynamoDBMetadataStore#initialize()}} and wait for its becoming active, before any
table/item operations.



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