Enis Soztutar created HBASE-9445:
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Summary: Snapshots should create column family dirs for empty
regions
Key: HBASE-9445
URL: https://issues.apache.org/jira/browse/HBASE-9445
Project: HBase
Issue Type: Bug
Components: snapshots
Reporter: Enis Soztutar
Assignee: Enis Soztutar
Fix For: 0.96.0
Currently, taking a snapshot will not create the family directory under a
region if the family does not have any files in it.
Subsequent verification fails because of this. There is some logic in the
SnapshotTestingUtils.confirmSnapshotValid() to deal with empty family
directories, but I think we should create the family directories regardless of
whether there are any hfiles referencing them.
{code}
2013-09-05 11:07:21,566 DEBUG [Thread-208] util.FSUtils(1687): |-data/
2013-09-05 11:07:21,567 DEBUG [Thread-208] util.FSUtils(1687): |----default/
2013-09-05 11:07:21,568 DEBUG [Thread-208] util.FSUtils(1687): |-------test/
2013-09-05 11:07:21,569 DEBUG [Thread-208] util.FSUtils(1687):
|----------.tabledesc/
2013-09-05 11:07:21,570 DEBUG [Thread-208] util.FSUtils(1690):
|-------------.tableinfo.0000000001
2013-09-05 11:07:21,570 DEBUG [Thread-208] util.FSUtils(1687): |----------.tmp/
2013-09-05 11:07:21,571 DEBUG [Thread-208] util.FSUtils(1687):
|----------accd6e55887057888de758df44dacda7/
2013-09-05 11:07:21,572 DEBUG [Thread-208] util.FSUtils(1690):
|-------------.regioninfo
2013-09-05 11:07:21,572 DEBUG [Thread-208] util.FSUtils(1687):
|-------------fam/
2013-09-05 11:07:21,555 DEBUG [Thread-208] util.FSUtils(1687):
|-.hbase-snapshot/
2013-09-05 11:07:21,556 DEBUG [Thread-208] util.FSUtils(1687): |----.tmp/
2013-09-05 11:07:21,557 DEBUG [Thread-208] util.FSUtils(1687):
|----offlineTableSnapshot/
2013-09-05 11:07:21,558 DEBUG [Thread-208] util.FSUtils(1690):
|-------.snapshotinfo
2013-09-05 11:07:21,558 DEBUG [Thread-208] util.FSUtils(1687):
|-------.tabledesc/
2013-09-05 11:07:21,558 DEBUG [Thread-208] util.FSUtils(1690):
|----------.tableinfo.0000000001
2013-09-05 11:07:21,559 DEBUG [Thread-208] util.FSUtils(1687): |-------.tmp/
2013-09-05 11:07:21,559 DEBUG [Thread-208] util.FSUtils(1687):
|-------accd6e55887057888de758df44dacda7/
2013-09-05 11:07:21,560 DEBUG [Thread-208] util.FSUtils(1690):
|----------.regioninfo
{code}
I think this is important for 0.96.0.
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