[hbck] Hbck should handle case where some regions have different HTD settings
in .regioninfo files (0.90 specific)
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Key: HBASE-5801
URL: https://issues.apache.org/jira/browse/HBASE-5801
Project: HBase
Issue Type: Improvement
Components: hbck
Affects Versions: 0.90.7
Reporter: Jonathan Hsieh
Assignee: Jimmy Xiang
Recently, we encountered a case where some regions in a table have different
HTableDescriptor settings serialized into HDFS their HRegionInfo .regioninfo
file. hbck expects all HTDs within a table to be the same and currently bails
out in this situation.
We need to either point out a proper set of actions for the user to execute or
automatically convert the region to a common HTD (likely the most common on, or
possibly the "first one".)
Not sure if this requires reformatting data but may require closing and
restarting a region.
This issue is hbase 0.90.x specific -- 0.92+ keep all table info in a single
.tableinfo file.
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