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https://issues.apache.org/jira/browse/HBASE-19893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16373983#comment-16373983
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Toshihiro Suzuki commented on HBASE-19893:
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I attached v1 patch. To reproduce the issue, we need the snippets of
HBaseTestingUtility.java and TestRestoreSnapshotFromClient.java.
> restore_snapshot is broken in master branch
> -------------------------------------------
>
> Key: HBASE-19893
> URL: https://issues.apache.org/jira/browse/HBASE-19893
> Project: HBase
> Issue Type: Bug
> Components: snapshots
> Reporter: Toshihiro Suzuki
> Assignee: Toshihiro Suzuki
> Priority: Critical
> Attachments: HBASE-19893.master.001.patch
>
>
> When I was investigating HBASE-19850, I found restore_snapshot didn't work in
> master branch.
>
> Steps to reproduce are as follows:
> 1. Create a table
> {code:java}
> create "test", "cf"
> {code}
> 2. Load data (2000 rows) to the table
> {code:java}
> (0...2000).each{|i| put "test", "row#{i}", "cf:col", "val"}
> {code}
> 3. Split the table
> {code:java}
> split "test"
> {code}
> 4. Take a snapshot
> {code:java}
> snapshot "test", "snap"
> {code}
> 5. Load more data (2000 rows) to the table and split the table agin
> {code:java}
> (2000...4000).each{|i| put "test", "row#{i}", "cf:col", "val"}
> split "test"
> {code}
> 6. Restore the table from the snapshot
> {code:java}
> disable "test"
> restore_snapshot "snap"
> enable "test"
> {code}
> 7. Scan the table
> {code:java}
> scan "test"
> {code}
> However, this scan returns only 244 rows (it should return 2000 rows) like
> the following:
> {code:java}
> hbase(main):038:0> scan "test"
> ROW COLUMN+CELL
> row78 column=cf:col, timestamp=1517298307049, value=val
> ....
> row999 column=cf:col, timestamp=1517298307608, value=val
> 244 row(s)
> Took 0.1500 seconds
> {code}
>
> Also, the restored table should have 2 online regions but it has 3 online
> regions.
>
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