The AccessController could be an example of what you are looking to
accomplish. It introduces a new system table ("_acl_") and uses a
RegionObserver on the system table regions and ZK watches to notify all
RegionServers of changes to the table. Look in this package:http://svn.apache.org/viewvc/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/ On Sun, Jan 27, 2013 at 11:15 AM, Mike Lewis <[email protected]> wrote: > Hi, > > I am attempting to prototype some schema management functionality with > coprocessors. One thing I would like to do is persist the schema. > > I'm assuming I'll probably want to create a catalog table for it. Is this > correct? Is there a specific way I should initialize this table? > > I'm also assuming if I want to notify RegionObservers of change to this > catalog, I probably want to use ZK. > > Thanks, > Mike > > -- > Michael Lewis > lolrus.org > [email protected] > -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)
