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From "Liu Shaohui (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13367) Add a replication label to mutations from replication
Date Wed, 01 Apr 2015 13:25:54 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390536#comment-14390536
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Liu Shaohui commented on HBASE-13367:
-------------------------------------

[~stack]
{quote}
Do you mean adding a label on the Mutation itself? Or do you mean adding a tag? What label
have? 
{quote}
I was thinking just add an attribute in the Mutation.

{quote}
'true' if edit was via replication or would it list src cluster ids?
{quote}
Yes, we can just use the number of cluster ids to check if the mutations are from replication.
 
Thanks, [~stack]


> Add a replication label to mutations from replication
> -----------------------------------------------------
>
>                 Key: HBASE-13367
>                 URL: https://issues.apache.org/jira/browse/HBASE-13367
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>
> In some scenarios, the regions need to distinguish the mutations from client for actual
users or from replication of peer cluster. 
> - Lower the priority of mutations from replication to improve the latency of requests
from actuals users
> - Set table in replicated state to keep data consistent. In this state, the table will
reject mutations from users, but accept mutations from replication and read requests from
users.
> So we need to add a replication label to mutations from replication.
> Suggestions and discussions are welcomed. Thanks



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