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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1944) Add a "is synced" attribute to HTD
Date Fri, 30 Oct 2009 18:45:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12772041#action_12772041
] 

Jean-Daniel Cryans commented on HBASE-1944:
-------------------------------------------

Ryan told me that the name may be good but it should be false by default then and the check
in HRS should change.

> Add a "is synced" attribute to HTD
> ----------------------------------
>
>                 Key: HBASE-1944
>                 URL: https://issues.apache.org/jira/browse/HBASE-1944
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Jean-Daniel Cryans
>            Assignee: Jean-Daniel Cryans
>             Fix For: 0.21.0
>
>         Attachments: HBASE-1944-v2.patch, HBASE-1944.patch
>
>
> At SU we have a case where we'd like to be able to, by default, sync every appended edit
but for some tables have the control to disable their sync. You could then rely on other tables
like .META. to do syncs, the optional log syncer timer down in LogSyncer and user tables that
are always synced. For example, set a 10ms timer on the log syncer so that in the worse case
you lose 10ms of non-catalog edits.

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