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Backup

First, locate your data directory (named as "DATA_DIR" in our documentation). This directory contains your configuration, projects (graphs, recipes, notebooks, etc.), connections to databases, the filesystem_managed files, etc. Note that this directory may NOT contain all your data (for instance, data hosted on a database or on a Hadoop cluster).

Make sure you don't have any job running and stop your instance:

DATA_DIR/bin/dss stop

Compress DATA_DIR and save the archive somewhere else:

tar -zcvf your_backup.tar.gz /path/to/DATA_DIR/

Finally, restart the studio:

DATA_DIR/bin/dss start

 

Running an automatic backup

Here is an example of a bash script you can run periodically with cron:

#!/bin/bash
#Purpose: Backup of DSS data directory

/path/to/DATA_DIR/bin/dss stop

export GZIP=-9
TIME=`date +"%Y-%m-%d"`
FILENAME="backup-dss-data-$TIME.tar.gz"
SRCDIR="/path/to/DATA_DIR"
DSTDIR="/home/backups"

tar -cpzf $DSTDIR/$FILENAME $SRCDIR

/path/to/DATA_DIR/bin/dss start

You could save this script in a file backupscript.sh and set a cron task like the following one (running from Monday to Friday at 6:15am) :

15 6 * * 1-5 /path/to/backupscript.sh

Restoring a backup

To restore a backup, stop DSS, and simply replace the content of DATA_DIR with the content of the archive:

DATA_DIR/bin/dss stop
tar -zxvf your_backup.tar.gz
DATA_DIR/bin/dss start
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