How to backup and restore data in Kylin?

In Kylin, you can back up and restore data by following these steps:

Data backup.

1. Export data from Cube and Metadata to local files or HDFS using Kylin’s REST API or command line tools.
2. Copy the data file to another location using Hadoop commands to ensure the integrity and security of the data backup.

Data recovery:

1. Copy the backed-up data files to Kylin’s metadata and Cube directories.
2. Import backed up data files into Kylin using Kylin’s REST API or command line tools.
3. Rebuild the Cube in Kylin to restore the data.

It is important to note that data backup and recovery can be a complicated and time-consuming process, requiring careful operation to ensure the integrity and consistency of the backed-up data. It is recommended to perform data testing before carrying out data backup and recovery to ensure the process goes smoothly.