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https://issues.apache.org/jira/browse/HBASE-16466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15987955#comment-15987955
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Maddineni Sukumar commented on HBASE-16466:
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Thanks Ted for initial review.
Added review request - https://reviews.apache.org/r/58827/ ( I think its not
too late :) )
restoreDefaults() clears all input variables to default before every run as
they are static variables.
If they are static then you cannot run two VerifyReplication jobs at the same
time(which we are planning to do).
I made all of them class level variables so multiple jobs wont impact each
other.
I will update patch with other improvements you suggested.
> 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
>
>
> 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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