Dilli Arumugam created KNOX-173:
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Summary: leverage presence of delegation token to avoid buffering
request entity
Key: KNOX-173
URL: https://issues.apache.org/jira/browse/KNOX-173
Project: Apache Knox
Issue Type: Improvement
Components: Server
Affects Versions: 0.3.0
Reporter: Dilli Arumugam
Assignee: Dilli Arumugam
Fix For: 0.3.0
At present, HttpClientDispatch caches request entities while talking to
services in secure cluster to replay the entity for a potential
WWW-Authenticate challenge from service.
This could be improved by leveraging delegation token coming down with the
request to Knox. When we pass down the delegation token, we do not expect to
see WWW-Authenticate challenge. When Knox gets request from client targeted to
DataNode, it would always have DelegationToken. So, large files would be
streamed straight without any buffering.
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