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HBase >> mail # dev >> Catalog Tables for Coprocessors

Mike Lewis 2013-01-27, 19:15
ramkrishna vasudevan 2013-01-28, 08:28
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Re: Catalog Tables for Coprocessors
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:

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

Best regards,

   - Andy

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