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Posted to dev@hbase.apache.org by "Ma, Ming" <mi...@ebay.com> on 2011/09/19 07:23:09 UTC

about .META. table's support for more than one region

It seems there are some assumptions in the code that .META. table only has one region FIRST_META_REGIONINFO in the following areas:

1) .META. table update with user region info.
2) .META. regions assignment.
3) .META. table split handling.

HBase architecture allows for more than one region in .META. table. I wonder if such assumption in the code is just due to the fact that hbase currently doesn't don't support large number of regions yet; or there are other reasons behind it.

Thanks.

Ming