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Mingliang Liu commented on HADOOP-13650: ---------------------------------------- I also commented in the parent thread, but a quick update here: DDB table region is always the s3 bucket region for simplicity. The general usage pattern is to specify the fs.defaultFS as s3://mybucket alike: {code} # we have bucket then we can infer the region; -fs is overriding the fs.defaultFS configuration file hadoop s3a init [-fs s3://bucket] -m dynamodb://table {code} And we have options if {{fs.defaultFS}} is not specified or is not S3. {code} # Option 1: we assume the S3 bucket name is the same as table name; and it does exist so we can get it's location (region) as DDB region. hadoop s3a init -m dynamodb://table # Option 2: we rely on the endpoint for determining the DDB region. The respective S3 bucket is not known (and can be non-existent). hadoop s3a destroy [-D fs.s3a.s3guard.ddb.endpoint=us-west-1.amazonaws.com] -m dynamodb://table {code} Does this make sense? > 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 > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org