Before you begin
ⓘAvailable in:
Big Data Platform
Data Fabric
Data Management Platform
Data Services Platform
MDM Platform
Real-Time Big Data Platform
If you have installed and used Talend Dictionary Service to create custom semantic
types or update the predefined ones, you must migrate Talend Dictionary Service before migrating Talend Data Preparation. See Migrating to Talend Dictionary Service 7.3.x.
Download Talend Data Preparation 7.3.x.
Upgrade Talend Administration Center.
For more information, see Upgrading Talend Administration Center.
Procedure
-
Stop your current Talend Data Preparation instance but keep the MongoDB instance running.
-
Back up your MongoDB by running the following command.
For
Linux:
<mongo_path>/bin
./mongodump -h <source_mongodb_host>:<source_mongo_port> -d <source_database> -u <source_mongodb_user> -p <source_mongodb_password> -o <dump_output>
For
Windows:
<mongo_path>\bin>mongodump -h <source_mongodb_host>:<source_mongo_port> -d <source_database> -u <source_mongodb_user> -p <source_mongodb_password> -o <dump_output>
After backing up MongoDB, stop the instance.
-
Install and start MongoDB 4.x.
Talend Data Preparation 7.3
supports MongoDB version 4.x and 3.6.
-
Delete the database:
-
Open a mongo shell as a Talend Data Preparation database user and execute the following commands.
For
Linux:
cd <install_dir>/mongodb/bin
./mongo dataprep -u dataprep-user -p dprep --port 27017
For
Windows:
<install_dir>\mongodb\bin>mongo dataprep -u dataprep-user -p dprep --port 27017
-
Switch to the Talend Data Preparation database:
use
dataprep
-
Drop the database:
db.runCommand( { dropDatabase: 1 } )
-
Exit mongo shell:
exit
-
Restore the MongoDB backup by running the following command.
For
Linux:
<mongo_path>/bin
./mongorestore -h <mongo_host>:<mongo_port> -u <mongo_tdp_username> -p <mongo_tdp_password> -d <mongo_tdp_database> <backup_location>
For
Windows:
<mongo_path>\bin>mongorestore -h <mongo_host>:<mongo_port> -u <mongo_tdp_username> -p <mongo_tdp_password> -d <mongo_tdp_database> <backup_location>
For the previous version of Talend Data Preparation, if
you have customized the
<Data_Preparation_Path>/conf/data-preparation.properties
file, you can copy the values from the old configuration file to the new file.
-
Install Talend Data Preparation and select the external MongoDB option. Do not start the
instance. Make sure to configure it with the same settings as the previous
instance and link it to your Talend Administration Center.
If you have installed Talend Data Preparation in service mode, stop the
instance and MongoDB.
-
To retrieve the content of the data-set storage folder used
for Talend Data Preparation 1.x/2.x, and to
migrate to version 7.3, complete the next step according to your
situation:
- If you have set a custom value for the
dataset.content.store.file.location property,
verify that you set the same value in the application.properties file for the 7.3 version.
- If you have not modified the value of the
dataset.content.store.file.location property,
copy the content of the <Data_Preparation_Path>/data folder used in 1.x/2.x,
and paste it in the 7.3 installation folder, following the same
path.
-
Start Talend Data Preparation.
-
ⓘAvailable in:
Big Data Platform
Data Fabric
Data Management Platform
Data Services Platform
MDM Platform
Real-Time Big Data Platform
Results
You are now ready to use Talend Data Preparation.