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https://issues.apache.org/jira/browse/HBASE-6193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13292178#comment-13292178
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Eric Yang commented on HBASE-6193:
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REST api gateway may be difficult to secure the system. The proxy approach
requires two security implementations for outward facing security and internal
security implementation. Where the embedded rest api server in region server
would ensure only one security implementation is required. By adding rest api
into the region server code, it reduces wrapper code by one layer. Otherwise
each new feature implemented in the region server, the rest gateway should be
updated with corresponding new feature. It seems to to be higher maintenance
with rest gateway approach. In addition, rest proxy increases the latency for
HBase response time by one hop. If the rest gateway is busy serving scan query
and become none responsive, it is unclear to the administrator if the none
responsiveness is caused by admin task or someone had a large scan query for
another region server.
> REST Api for HBase administrative tasks
> ---------------------------------------
>
> Key: HBASE-6193
> URL: https://issues.apache.org/jira/browse/HBASE-6193
> Project: HBase
> Issue Type: New Feature
> Reporter: Eric Yang
>
> For enabling HBASE-4368, it may be useful to have embedded REST API server
> for each region server, and HBase Master can either aggregate or
> proxy/redirect REST API base on administrative task functions.
> The popular admin task that can take advantage of this setup are:
> - Trigger table compaction
> - Show process list
> - Health check
> - Show black listed servers
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