stack created HBASE-21154:
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Summary: Remove hbase:namespace table; fold it into hbase:meta
Key: HBASE-21154
URL: https://issues.apache.org/jira/browse/HBASE-21154
Project: HBase
Issue Type: Improvement
Reporter: stack
Namespace table is a small system table. Usually it has two rows. It must be
assigned before user tables but after hbase:meta goes out. Its presence
complicates our startup and is a constant source of grief when for whatever
reason, it is not up and available. In fact, master startup is predicated on
hbase:namespace being assigned and will not make progress unless it is up.
Lets just add a new 'ns' column family to hbase:meta for namespace.
Here is a default ns table content:
{code}
hbase(main):023:0* scan 'hbase:namespace'
ROW
COLUMN+CELL
default
column=info:d, timestamp=1526694059106,
value=\x0A\x07default
hbase
column=info:d, timestamp=1526694059461,
value=\x0A\x05hbase
{code}
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