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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14266) S3Guard: S3AFileSystem::listFiles() to employ MetadataStore
Date Thu, 06 Apr 2017 04:47:41 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mingliang Liu updated HADOOP-14266:
-----------------------------------
    Attachment: HADOOP-14266-HADOOP-13345.000.patch

So, the v0 patch is our initial effort.

# recursive=false: falls back to union data of S3 and MetadataStore::listChidlren()
# recursive=true: uses the union data of S3 and DescendentsIterator which queries MetadataStore
internally.

The newly added integration test fails for  -Dfs.s3a.s3guard.test.implementation=none and
passes for  -Dfs.s3a.s3guard.test.implementation=dynamo. It fails w/o this patch as expected.

> S3Guard: S3AFileSystem::listFiles() to employ MetadataStore
> -----------------------------------------------------------
>
>                 Key: HADOOP-14266
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14266
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: HADOOP-13345
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>         Attachments: HADOOP-14266-HADOOP-13345.000.patch
>
>
> Similar to [HADOOP-13926], this is to track the effort of employing MetadataStore in
{{S3AFileSystem::listFiles()}}.



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