John Zhuge created HADOOP-13972:
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Summary: Access multiple Azure Data Lake stores with different SPIs
Key: HADOOP-13972
URL: https://issues.apache.org/jira/browse/HADOOP-13972
Project: Hadoop Common
Issue Type: Improvement
Components: fs/adl
Affects Versions: 3.0.0-alpha2
Reporter: John Zhuge
Useful when distcp needs to access 2 Data Lake stores with different SPIs.
Of course, a workaround is to grant the same SPI access permission to both
stores, but sometimes it might not be feasible.
One idea is to embed the store name in the configuration property names, e.g.,
{{dfs.adls.oauth2.<store>.client.id}}. Per-store keys will be consulted first,
then fall back to the global keys.
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