You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2018/12/28 06:57:00 UTC

[jira] [Commented] (HBASE-17356) Add replica get support

    [ https://issues.apache.org/jira/browse/HBASE-17356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16730077#comment-16730077 ] 

Duo Zhang commented on HBASE-17356:
-----------------------------------

In HBASE-21512 we want to replace the old sync client implementation with the new async client, so we need to support all the features.

Let me support replica get first. Replica scan is another story, which is much more complicated, as we have a scanner at RS side, which means the scan request is not idempotent. Need to think more.

> Add replica get support
> -----------------------
>
>                 Key: HBASE-17356
>                 URL: https://issues.apache.org/jira/browse/HBASE-17356
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client
>            Reporter: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0
>
>
> I think we can do better for scan at least as now we will pass the mvcc to client. We can use the mvcc to determine if we can get a consistent view when reading from replicas other than primary.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)