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Posted to issues@hbase.apache.org by "Duo Zhang (JIRA)" <ji...@apache.org> on 2018/06/12 02:04:00 UTC
[jira] [Updated] (HBASE-20637) Polish the WAL switching when
transiting from A to S
[ https://issues.apache.org/jira/browse/HBASE-20637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Duo Zhang updated HBASE-20637:
------------------------------
Component/s: Replication
> Polish the WAL switching when transiting from A to S
> ----------------------------------------------------
>
> Key: HBASE-20637
> URL: https://issues.apache.org/jira/browse/HBASE-20637
> Project: HBase
> Issue Type: Sub-task
> Components: Replication
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: HBASE-19064
>
> Attachments: HBASE-20637-HBASE-19064-v1.patch, HBASE-20637-HBASE-19064-v2.patch, HBASE-20637-HBASE-19064-v3.patch, HBASE-20637-HBASE-19064.patch
>
>
> The design in HBASE-20424 implies that, when transiting from A to S, the RS will abort and the WAL file will be split.
> But in fact, there could be races that make a RS still alive after the transiting which causes data inconsistency. And also, a full cluster restart is expensive, we need to find a more smooth way.
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