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https://issues.apache.org/jira/browse/HBASE-17825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374850#comment-16374850
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Vladimir Rodionov edited comment on HBASE-17825 at 2/23/18 7:03 PM:
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{quote}
How does this change output
{quote}
It does not change output, but it changes output directory structure. It used
to be flat, now it adds subdirectories for every table:
If we convert WALs for tables T1, T2, T3 the tool will create separate
directories for each table:
T1/
T2/
T3/
and files for each table go to this table's subdirectory
was (Author: vrodionov):
{quote}
How does this change output
{quote}
It does not change output, but it changes output directory structure. It used
to be flat, now it adds subdirectories for every table:
If we convert WALs for tables T1, T2, T3 the tool will create separate
directories for each table:
T1/
T2/
T3/
> 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, HBASE-17825-v2.patch,
> HBASE-17825-v3.patch, HBASE-17825-v4.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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