Store HRegionInfo in META and ROOT as multiple cells instead of a binary field
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Key: HBASE-484
URL: https://issues.apache.org/jira/browse/HBASE-484
Project: Hadoop HBase
Issue Type: Improvement
Components: master, regionserver
Reporter: Bryan Duxbury
Priority: Trivial
Right now we keep our HRegionInfos stored as a stream of bytes in a single
column in the META and ROOT tables. This is convenient to build and write in
code under normal circumstances, and we've made the shell deserialize the
binary into human readable data for display purposes.
However, we really don't have much flexibility to edit the info through the
shell since it's binary. This means that when we need some latitude to reach in
and tweak some stuff because of bugs or just for experimental purposes, we have
to go and write custom tools in Java to achieve anything.
One way to mitigate this problem would be to stop storing HRIs as binary data
and start putting each field into separate first-class columns in META and
ROOT. This would let us do whatever we want in terms of single-row operations
in the shell. We wouldn't have to make a special case for reading the data in
those circumstances then, either.
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