[jira] [Closed] (HBASE-15372) HBase Backup/Restore Phase 2: Keep WAL files in a centralized place to avoid duplication

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-15372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-15372.
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    Assignee:     (was: Vladimir Rodionov)

> HBase Backup/Restore Phase 2: Keep WAL files in a centralized place to avoid duplication
> ----------------------------------------------------------------------------------------
>
>                 Key: HBASE-15372
>                 URL: https://issues.apache.org/jira/browse/HBASE-15372
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Vladimir Rodionov
>            Priority: Major
>
> Currently, we keep WAL file per table in backup site, this creates significant data duplication in case of many tables in a backup set. We have to keep all WAL files in a single place and keep track of WAL files involved per table/backup id as links (references) 
> This is not only the data duplication issue, but a performance issue as well (we copy the same file over and over again for every table in a backup set). 



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