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From Matteo Bertozzi <theo.berto...@gmail.com>
Subject region vs regionserver coprocessors
Date Wed, 15 May 2013 02:13:44 GMT
Looking at the coprocessor load code, and at the documentation...
I've noticed that coprocessors like AccessController, TokenProvider, ...
are region coprocessors.

This means that for each region there's a new instance of TokenProvider,
AccessController, ...

Is there a reason to not have them as RegionServer coprocessors (loaded
only once per RS)?

also the HRegionServer.getCoprocessors() seems to not print the
regionserver coprocessors but just the hlog + region coprocessors.

Matteo

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