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https://issues.apache.org/jira/browse/HBASE-9445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762668#comment-13762668
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Enis Soztutar commented on HBASE-9445:
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[~mbertozzi] I am going to commit this if you are ok with it. wdyt?
> 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: 0.98.0, 0.96.0
>
> Attachments: hbase-9445_v1.patch, hbase-9445_v2.patch
>
>
> 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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