Mechanism for atomic recovery from partial failure when atomically bulk-loading
multi-CF rows.
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Key: HBASE-4652
URL: https://issues.apache.org/jira/browse/HBASE-4652
Project: HBase
Issue Type: Bug
Reporter: Jonathan Hsieh
The suggestions from HBASE-4552 and initial implementations could violate row
atomicity if there are multiple CFs. A mechanism to atomically rollback or
commit only upon completion (mvcc at the store level) is needed if a partial
failures encountered when attempting to bulk load multiple families.
For example, let's say I want to bulk load a region with cfs A, B, C. I issue a
call to an RS region to atomically bulkload the HFiles. The RS loads A and B
successfully but fails on C (hdfs failure, or rs goes down, etc). We could
rollback A and B - if we don't we would have A and B loaded but not C and have
an atomicity violation.
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