## API Changes
+### Release 8.4
+![](/images/exclamation.svg) Deprecated
+* `org.sonar.api.rules.Rule#getId()` is deprecated and will always throw UnsupportedOperationException.
+
+### Release 8.3
+![](/images/exclamation.svg) Deprecated
+* `org.sonar.api.utils.text.JsonWriter`
+
+### Release 8.2
+No changes
+
+### Release 8.1
+No changes
+
+### Release 8.0
+No changes
+
### Release 7.9
No changes
--- /dev/null
+---
+title: Backup and Restore
+url: /instance-administration/backup-restore/
+---
+
+## Backing Up Data
+Most databases come with backup tools. We recommend using these tools to back up your data.
+
+## Restoring Data
+To restore data from backup, follow these steps:
+
+1. Stop the server.
+1. Restore the backup.
+1. Drop the Elasticsearch indexes by deleting the contents of `$SQ_HOME/data/es6 directory`.
+1. Restart the server.
\ No newline at end of file
"/instance-administration/project-move/",
"/instance-administration/custom-measures/",
"/instance-administration/compute-engine-performance/",
- "/instance-administration/db-copy/"
+ "/instance-administration/db-copy/",
+ "/instance-administration/backup-restore/"
]
},
{
"/instance-administration/project-move/",
"/instance-administration/custom-measures/",
"/instance-administration/compute-engine-performance/",
- "/instance-administration/db-copy/"
+ "/instance-administration/db-copy/",
+ "/instance-administration/backup-restore/"
]
},
{