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From "Vladimir Rodionov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16574) Add backup / restore feature to refguide
Date Thu, 09 Nov 2017 01:23:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245066#comment-16245066
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Vladimir Rodionov commented on HBASE-16574:
-------------------------------------------

One more note on B&R limitations (Chapter 85 from Ref Guide) 
{quote}
Chapter 85. Limitations of the Backup and Restore Utility
•Only one active backup session is supported. HBASE-16391 will introduce multiple-backup
sessions support. 
•Both backup and restore can’t be canceled while in progress. ( HBASE-15997, HBASE-15998).

•No supported for bulk-loaded data ( HBASE-14417). 
•Single backup destination only supported. HBASE-15476 will introduce multiple- backup destinations
support. 
•There is no merge for incremental images (HBASE-14135). This can increase restore time.
Users will need to periodically execute full backups to be able to restore data faster. 
•Only superuser (hbase) is allowed to perform backup/restore, which can be a problem for
security (HBASE-14138). 
•During incremental backup ALL WAL data will be copied over to backup destination, including
data from tables that are not being backed up. This functionality is a performance and security
limitation. HBASE-14141 will introduce more granular copy WAL implementation.
{quote}

We implemented some features, so the following must be removed:
{quote}
•No supported for bulk-loaded data ( HBASE-14417). 
•There is no merge for incremental images (HBASE-14135). This can increase restore time.
Users will need to periodically execute full backups to be able to restore data faster. 
•During incremental backup ALL WAL data will be copied over to backup destination, including
data from tables that are not being backed up. This functionality is a performance and security
limitation. HBASE-14141 will introduce more granular copy WAL implementation.
{quote}

> Add backup / restore feature to refguide
> ----------------------------------------
>
>                 Key: HBASE-16574
>                 URL: https://issues.apache.org/jira/browse/HBASE-16574
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Vladimir Rodionov
>              Labels: backup
>             Fix For: 2.0.0-beta-1
>
>         Attachments: B&R command-line tools and configuration (updated).pdf, Backup-and-Restore-Apache_19Sep2016.pdf,
HBASE-16574.001.patch, HBASE-16574.002.patch, hbase_reference_guide.v1.pdf
>
>
> This issue is to add backup / restore feature description to hbase refguide.
> The description should cover:
> scenarios where backup / restore is used
> backup / restore commands and sample usage
> considerations in setup



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