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Posted to issues@kylin.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/10/29 07:21:00 UTC
[jira] [Commented] (KYLIN-4175) Support secondary hbase storage
config for hbase cluster migration
[ https://issues.apache.org/jira/browse/KYLIN-4175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16961748#comment-16961748 ]
ASF GitHub Bot commented on KYLIN-4175:
---------------------------------------
nichunen commented on pull request #854: KYLIN-4175: Support secondary hbase storage config for hbase cluster migration
URL: https://github.com/apache/kylin/pull/854
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> Support secondary hbase storage config for hbase cluster migration
> ------------------------------------------------------------------
>
> Key: KYLIN-4175
> URL: https://issues.apache.org/jira/browse/KYLIN-4175
> Project: Kylin
> Issue Type: Improvement
> Reporter: Shaohui Liu
> Assignee: Shaohui Liu
> Priority: Major
>
> Currently when migrating a kylin cluster from on data center to the other or the hbase cluster the kylin depends on will be changed from one cluster to the other, there will be a long down time to migrating the history data from one cluster to the other or we must rebuild all the history data of cube in the other cluster.
> In xiaomi, we added the support of secondary hbase storage and made the kylin cluster can query cube data from the old hbase cluster during the migration.
> As a result, the migration is very smooth with minimum down time.
>
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