Yes Jonathan as of now we need a reboot..  Take a look at HBASE-1936. This is 
not completed. You can give your thoughts there and have a look at the 
patch/discussion...

-Anoop-
________________________________________
From: Jonathan Bishop [[email protected]]
Sent: Friday, November 02, 2012 2:52 AM
To: [email protected]
Subject: Filters for hbase scans require reboot.

Hi,

I am developing a filter to be used in a scan for hbase, and I find that I
need to...

1) make sure HBASE_CLASSPATH points to a jar or bin with my filter
2) reboot hbase (stop-hbase.sh, start-hbase.sh)

Otherwise, it seems hbase does not pick up my changes to my filter.

Is there an easier way to do this?

Thanks,

Jon

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