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https://issues.apache.org/jira/browse/PHOENIX-3817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16054122#comment-16054122
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Alex Araujo commented on PHOENIX-3817:
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bq. Just out of curiousity, would this patch give us the capability of writing
to both the data table and index table in one pass to build indexes during a
bulk load?
The Multi* classes in this patch are for reading from multiple tables in the
same job. We can add a MultiTableOutputFormat to write to multiple tables. We
use something similar in our tenant management tools to move specific tenants
to different clusters in one pass (read multi-tenant table once and output to
different tables).
> VerifyReplication using SQL
> ---------------------------
>
> Key: PHOENIX-3817
> URL: https://issues.apache.org/jira/browse/PHOENIX-3817
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Alex Araujo
> Assignee: Alex Araujo
> Priority: Minor
> Fix For: 4.12.0
>
> Attachments: PHOENIX-3817.v1.patch, PHOENIX-3817.v2.patch,
> PHOENIX-3817.v3.patch
>
>
> Certain use cases may copy or replicate a subset of a table to a different
> table or cluster. For example, application topologies may map data for
> specific tenants to different peer clusters.
> It would be useful to have a Phoenix VerifyReplication tool that accepts an
> SQL query, a target table, and an optional target cluster. The tool would
> compare data returned by the query on the different tables and update various
> result counters (similar to HBase's VerifyReplication).
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