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https://issues.apache.org/jira/browse/HBASE-16466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15988027#comment-15988027
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Maddineni Sukumar commented on HBASE-16466:
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Hi Ted,
Attached v2 patch with format fixes.
I ran tests without snapshot and it took 76sec and including snapshot unit
tests it took 87 sec, so its just 10sec more time.
I think if I separate them into their own tests then we will have unnecessary
two clusters setup burden which will take more time.
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.hadoop.hbase.replication.TestReplicationSmallTests
Tests run: 14, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 76.917 sec -
in org.apache.hadoop.hbase.replication.TestReplicationSmallTests
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.hadoop.hbase.replication.TestReplicationSmallTests
Tests run: 16, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 87.247 sec -
in org.apache.hadoop.hbase.replication.TestReplicationSmallTests
Results :
Tests run: 16, Failures: 0, Errors: 0, Skipped: 0
I ran just snapshot test and it took 25 sec which includes setup.
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.hadoop.hbase.replication.TestReplicationSmallTests
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 25.409 sec - in
org.apache.hadoop.hbase.replication.TestReplicationSmallTests
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
154 sec for one test is too much. it might be a bad run. Can you please try
again.
> HBase snapshots support in VerifyReplication tool to reduce load on live
> HBase cluster with large tables
> --------------------------------------------------------------------------------------------------------
>
> Key: HBASE-16466
> URL: https://issues.apache.org/jira/browse/HBASE-16466
> Project: HBase
> Issue Type: Improvement
> Components: hbase
> Affects Versions: 0.98.21
> Reporter: Sukumar Maddineni
> Assignee: Maddineni Sukumar
> Fix For: 1.3.1
>
> Attachments: HBASE-16466.branch-1.3.001.patch, HBASE-16466.v1.patch,
> HBASE-16466.v2.patch
>
>
> As of now VerifyReplicatin tool is running using normal HBase scanners. If
> you want to run VerifyReplication multiple times on a production live
> cluster with large tables then it creates extra load on HBase layer. So if we
> implement snapshot based support then both in source and target we can read
> data from snapshots which reduces load on HBase
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