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https://issues.apache.org/jira/browse/ACCUMULO-378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212691#comment-13212691
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Keith Turner commented on ACCUMULO-378:
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We were discussing generating secondary indexes. This feature may be useful
for that in addition to replicating to a remote cluster. So instead of
replicating data to a remote cluster, replicate to another table on the local
cluster with a data transformation step. For example, data is inserted in
table A, then the mutations from table A get pushed to table B with a
transformation step. This could also push bulk imports to table B and through
the transformation.
> Multi data center replication
> -----------------------------
>
> Key: ACCUMULO-378
> URL: https://issues.apache.org/jira/browse/ACCUMULO-378
> Project: Accumulo
> Issue Type: New Feature
> Reporter: Sapan Shah
> Assignee: Sapan Shah
> Priority: Minor
>
> The use case here is where people have multiple data centers and need to
> replicate the data in between them. Accumulo can model this replication
> after the way that HBase currently handles the replication as detailed here
> (http://hbase.apache.org/replication.html).
> There will be one master Cluster and multiple slave clusters. Accumulo will
> use the Master-Push model to replicate the statements from the master
> clusters WAL to the various slaves WALs.
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