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From "Ashish Singhi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13153) enable bulkload to support replication
Date Wed, 02 Sep 2015 16:25:47 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727577#comment-14727577
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Ashish Singhi commented on HBASE-13153:
---------------------------------------

bq. When would hfile replication node in ZK be cleared / removed ?
HFile node will be deleted by the source cluster based on the response from the peer cluster.

At the peer cluster a hfile replication will be treated as successful only after it has been
successfully loaded and after a successful notification about this hfiles to its peer clusters
if its finds any and which is not among any of the source clusters.
A notification will be treated successful only after it is able to add this hfile entry to
the ZK.

> enable bulkload to support replication
> --------------------------------------
>
>                 Key: HBASE-13153
>                 URL: https://issues.apache.org/jira/browse/HBASE-13153
>             Project: HBase
>          Issue Type: New Feature
>          Components: Replication
>            Reporter: sunhaitao
>            Assignee: Ashish Singhi
>             Fix For: 2.0.0
>
>         Attachments: HBase Bulk Load Replication.pdf
>
>
> Currently we plan to use HBase Replication feature to deal with disaster tolerance scenario.But
we encounter an issue that we will use bulkload very frequently,because bulkload bypass write
path, and will not generate WAL, so the data will not be replicated to backup cluster. It's
inappropriate to bukload twice both on active cluster and backup cluster. So i advise do some
modification to bulkload feature to enable bukload to both active cluster and backup cluster



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