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https://issues.apache.org/jira/browse/HBASE-17825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16357561#comment-16357561
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Josh Elser commented on HBASE-17825:
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bq. I do not remember exactly, but it was necessary to remove this data
subdirectory to make the patch work. Anyway, I simplified the structure of
backup file system.
Is this documented somewhere that should be updated to reflect the new
structure? It doesn't ring any bells to me.
This is just "in-flight" backups, so there's no concern with any existing
backup data, right?
> Backup: further optimizations
> -----------------------------
>
> Key: HBASE-17825
> URL: https://issues.apache.org/jira/browse/HBASE-17825
> Project: HBase
> Issue Type: Improvement
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Priority: Critical
> Labels: backup
> Fix For: 3.0.0
>
> Attachments: HBASE-17825-v1.patch
>
>
> Some phases of backup and restore can be optimized:
> # WALPlayer support for multiple tables
> # Run DistCp once per all tables during backup/restore
> The eventual goal:
> # 2 M/R jobs per backup/restore
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