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https://issues.apache.org/jira/browse/HBASE-3013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925996#action_12925996
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HBase Review Board commented on HBASE-3013:
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Message from: "Jean-Daniel Cryans" <[email protected]>
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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/1111/
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Review request for hbase.
Summary
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This new mapreduce job called VerifyReplication compares the data between two
clusters that are replication-enabled. Its usage is relatively simple when you
already use replication, and even let's you pass the peer id instead of the
cluster key for the target cluster.
This addresses bug HBASE-3013.
http://issues.apache.org/jira/browse/HBASE-3013
Diffs
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/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/Driver.java 1028470
/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/replication/VerifyReplication.java
PRE-CREATION
/trunk/src/main/java/org/apache/hadoop/hbase/replication/ReplicationZookeeper.java
1028470
/trunk/src/test/java/org/apache/hadoop/hbase/replication/TestReplication.java
1028470
Diff: http://review.cloudera.org/r/1111/diff
Testing
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Unit test (one new included) and this has been running for a month here.
Thanks,
Jean-Daniel
> Tool to verify data in two clusters
> -----------------------------------
>
> Key: HBASE-3013
> URL: https://issues.apache.org/jira/browse/HBASE-3013
> Project: HBase
> Issue Type: New Feature
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Fix For: 0.90.0
>
>
> It would be useful to have a tool to easily compare the data between tables
> in different clusters, at least to make sure that replication is working
> correctly. I'm thinking of building that inside CopyTable, kind of an option
> à là --verify that could be run independently or after the copy (or not at
> all). The fact that we can already pass start/stop times is pretty useful too
> when you don't want to check the whole tables, do incremental verifications,
> etc.
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