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From "Vladimir Rodionov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14123) HBase Backup/Restore Phase 2
Date Wed, 01 Mar 2017 01:52:45 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Vladimir Rodionov updated HBASE-14123:
    Release Note: 
Vladimir Rodionov, Feb 2017
.h2 Summary of work

The new feature introduces new command-line extensions to the hbase command and, from the
client side, is accessible through command-line only
* Create full backup on a list of tables or backup set
* Create incremental backup image for table list or backup set
* Restore list of tables from a given backup image
* Show current backup progress
* Delete backup image and all related images
* Show history of backups
* Backup set operations: create backup set, add/remove table to/from backup set, etc

In the current implementation, the feature is already usable, meaning that users can backup
tables and restore them using provided command-line tools. Both: full and incremental backups
are supported.
The full list of JIRAs included in this mega patch can be found in three umbrella JIRAs: HBASE-14030
(Phase 1), HBASE-14123 (Phase 2) and HBASE-14414 (Phase 3 - all resolved ones)

.h2 What are the remaining work items

All remaining items can be found in Phase 3 umbrella JIRA: HBASE-14414.
They are split into 3 groups: BLOCKER, CRITICAL, MAJOR
Only BLOCKERs and CRITICALs are guaranteed for HBase 2.0 release.  


* HBASE-14417 Incremental backup and bulk loading ( Patch available)
* HBASE-14135 HBase Backup/Restore Phase 3: Merge backup images
* HBASE-14141 HBase Backup/Restore Phase 3: Filter WALs on backup to include only edits from
backup tables (Patch available)
* HBASE-17133 Backup documentation
* HBASE-14135 Merge backup images
* HBASE-15227 Fault tolerance support


* HBASE-16465 Disable split/merges during backup

We have umbrella JIRA (HBASE-14414) to track all the remaining work 
All the BLOCKER and CRITICAL JIRAs currently in open state will be implemented by 2.0 release
time. Some MAJOR too, but it depends on resource availability
The former development branch (HBASE-7912) is obsolete and will be closed/deleted after the
We want backup to be a GA feature in 2.0
We are going to support full backward compatibility for backup tool in 2.0 and onwards.

.h3 Configuration

Backup is disabled, by default. To enable it, the following configuration properties must
be added to hbase-site.xml:

.h3 Known Issues
* Bulk loaded data is not visible for incremental backup (will be resolved by 2.0 release)
* After first backup sessions, WAL files will be accumulated in old WAL directory until the
next backup sessions. Make sure, that you either run backups regularly or disable backups
in the system. 
* No fault tolerance yet, some backup failures may result in corrupted backup data and will
require manual intervention (will be resolved by 2.0 release)

> HBase Backup/Restore Phase 2
> ----------------------------
>                 Key: HBASE-14123
>                 URL: https://issues.apache.org/jira/browse/HBASE-14123
>             Project: HBase
>          Issue Type: Umbrella
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Blocker
>             Fix For: HBASE-7912
>         Attachments: 14123-master.v14.txt, 14123-master.v15.txt, 14123-master.v16.txt,
14123-master.v17.txt, 14123-master.v18.txt, 14123-master.v19.txt, 14123-master.v20.txt, 14123-master.v21.txt,
14123-master.v24.txt, 14123-master.v25.txt, 14123-master.v27.txt, 14123-master.v28.txt, 14123-master.v29.full.txt,
14123-master.v2.txt, 14123-master.v30.txt, 14123-master.v31.txt, 14123-master.v32.txt, 14123-master.v33.txt,
14123-master.v34.txt, 14123-master.v35.txt, 14123-master.v36.txt, 14123-master.v37.txt, 14123-master.v38.txt,
14123.master.v39.patch, 14123-master.v3.txt, 14123.master.v40.patch, 14123.master.v41.patch,
14123.master.v42.patch, 14123.master.v44.patch, 14123.master.v45.patch, 14123.master.v46.patch,
14123.master.v48.patch, 14123.master.v49.patch, 14123.master.v50.patch, 14123.master.v51.patch,
14123.master.v52.patch, 14123.master.v54.patch, 14123.master.v56.patch, 14123.master.v57.patch,
14123.master.v58.patch, 14123.master.v59.patch, 14123-master.v5.txt, 14123.master.v60.patch,
14123-master.v6.txt, 14123-master.v7.txt, 14123-master.v8.txt, 14123-master.v9.txt, 14123-v14.txt,
Backup-restoreinHBase2.0 (1).pdf, Backup-restoreinHBase2.0.pdf, HBASE-14123-for-7912-v1.patch,
HBASE-14123-for-7912-v6.patch, HBASE-14123-v10.patch, HBASE-14123-v11.patch, HBASE-14123-v12.patch,
HBASE-14123-v13.patch, HBASE-14123-v15.patch, HBASE-14123-v16.patch, HBASE-14123-v1.patch,
HBASE-14123-v2.patch, HBASE-14123-v3.patch, HBASE-14123-v4.patch, HBASE-14123-v5.patch, HBASE-14123-v6.patch,
HBASE-14123-v7.patch, HBASE-14123-v9.patch
> Phase 2 umbrella JIRA. See HBASE-7912 for design document and description. 

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