Mingliang Liu created HADOOP-13960:
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Summary: Initialize DynamoDBMetadataStore without associated
S3AFileSystem
Key: HADOOP-13960
URL: https://issues.apache.org/jira/browse/HADOOP-13960
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Reporter: Mingliang Liu
Assignee: Mingliang Liu
Per the discussion in [HADOOP-13650], it's helpful to initialize a
DynamoDBMetadataStore object without S3AFileSystem. In the current code, we can
achieve this via {{DynamoDBMetadataStore#initialize(Configuration)}}. However,
users still have to provide the associated S3AFileSystem URI in the
configuration, by means of either setting the {{fs.defaultFS}} in configuration
file or {{-fs s3://bucket}} command line parameter. Setting the default
FileSystem in configuration seems not necessary as the command line is to
manipulate metadata store, e.g. command line tools on an existing HDFS cluster.
This JIRA is to track the effort of initializing a DynamoDBMetadataStore
without associating any S3 buckets, so that S3AFileSystem is not needed. Users
have to specify in configuration the DynamoDB endpoints (for region) and table
name along with credentials, AWS client settings.
See [~eddyxu] and [~liuml07]'s comments in [HADOOP-13650] for more details.
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