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Posted to issues@hbase.apache.org by "churro morales (JIRA)" <ji...@apache.org> on 2016/02/25 01:19:18 UTC
[jira] [Created] (HBASE-15321) Ability to open a HRegion from hdfs
snapshot.
churro morales created HBASE-15321:
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Summary: Ability to open a HRegion from hdfs snapshot.
Key: HBASE-15321
URL: https://issues.apache.org/jira/browse/HBASE-15321
Project: HBase
Issue Type: New Feature
Affects Versions: 2.0.0
Reporter: churro morales
Fix For: 2.0.0
Now that hdfs snapshots are here, we started to run our mapreduce jobs over hdfs snapshots. The thing is, hdfs snapshots are read-only point-in-time copies of the file system. Thus we had to modify the section of code that initialized the region internals in HRegion. We have to skip cleanup of certain directories if the HRegion is backed by a hdfs snapshot. I have a patch for trunk with some basic tests if folks are interested.
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