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ThingsBoard CE v3.0.x upgrade instructions for CentOS

Upgrading ThingsBoard CE to 3.0.1

NOTE: These upgrade steps are applicable for ThingsBoard version 3.0. In order to upgrade to 3.0.1 you need to upgrade to 3.0 first.


Doc info icon

Important note before upgrading to ThingsBoard 3.0

  • ThingsBoard UI was rewritten from AngularJS 1.5.8 to use Angular 9.
    • What does it mean?
      • Generally speaking, it means: state of the art application, easier development of front-end elements, performance improvements and more flexibility with UI customizations.
    • How to upgrade?
      • You are safe to upgrade if you do NOT use custom widgets or custom actions in the dashboards.
      • New JS framework may not support your current code — custom widgets and custom actions, so they need to be refactored a bit. Thus we encourage you to test your customizations using our cloud environments or your dev instances.
  • Migration from pure Cassandra to Hybrid DB Approach
    • We still support Cassandra for storing telemetry data but not the entities like devices, customers, tenants, etc.
    • What does it mean?
      • This will simplify maintenance and future improvements that will enable advanced search capabilities in v3.1.
    • How to upgrade?
      • If you are using pure PostgreSQL setup or PostgreSQL (for entities) + Cassandra (for telemetry), you are not affected.
      • If you are using pure Cassandra - the upgrade procedure is automatic but takes some time. The downtime depends on the number of devices, attributes, alarms and relations. If you have less than 10 million of those entities the upgrade should take a few minutes and depends on the database performance.


Doc info icon

Since ThingsBoard 3.0 only PostgreSQL database is supported for entities data

ThingsBoard package download

1

wget https://github.com/thingsboard/thingsboard/releases/download/v3.0.1/thingsboard-3.0.1.rpm

ThingsBoard service upgrade

  • Stop ThingsBoard service if it is running.
1

$ sudo service thingsboard stop

1

sudo rpm -Uvh thingsboard-3.0.1.rpm

NOTE: Package installer will ask you to merge your thingsboard configuration. It is preferred to use merge option to make sure that all your previous parameters will not be overwritten.
Please make sure that you set database.ts.type parameter value (in the file /etc/thingsboard/conf/thingsboard.yml) to “cassandra” instead of “sql” if you are using Cassandra database for timeseries data:

1
2
3
4

  database:
    ts_max_intervals: "${DATABASE_TS_MAX_INTERVALS:700}" # Max number of DB queries generated by single API call to fetch telemetry records
    ts:
      type: "${DATABASE_TS_TYPE:sql}" # cassandra, sql, or timescale (for hybrid mode, DATABASE_TS_TYPE value should be cassandra, or timescale)

NOTE: If you were using Cassandra database for entities data execute the following migration script:

1
2

# Execute migration script from Cassandra to PostgreSQL
sudo /usr/share/thingsboard/bin/install/upgrade.sh --fromVersion=2.5.0-cassandra

Otherwise execute regular upgrade script:

1

sudo /usr/share/thingsboard/bin/install/upgrade.sh --fromVersion=2.5.0

Start the service

Doc info icon

If you use Redis for caching, you need to flush all stored keys before starting the ThingsBoard.

Connect to your Redis instance (or container/pod, depending on your setup) and run the command:

redis-cli flushall

Please note that this command is applicable only if you use Redis exclusively for ThingsBoard. If other applications use Redis, you need to locate the ThingsBoard database and flush only that. The default database index is 0, configurable with REDIS_DB ThingsBoard environment value.

redis-cli

select 0

flushdb

1

sudo service thingsboard start

Upgrading ThingsBoard CE to 3.0

Doc info icon

Important note before upgrading to ThingsBoard 3.0

  • ThingsBoard UI was rewritten from AngularJS 1.5.8 to use Angular 9.
    • What does it mean?
      • Generally speaking, it means: state of the art application, easier development of front-end elements, performance improvements and more flexibility with UI customizations.
    • How to upgrade?
      • You are safe to upgrade if you do NOT use custom widgets or custom actions in the dashboards.
      • New JS framework may not support your current code — custom widgets and custom actions, so they need to be refactored a bit. Thus we encourage you to test your customizations using our cloud environments or your dev instances.
  • Migration from pure Cassandra to Hybrid DB Approach
    • We still support Cassandra for storing telemetry data but not the entities like devices, customers, tenants, etc.
    • What does it mean?
      • This will simplify maintenance and future improvements that will enable advanced search capabilities in v3.1.
    • How to upgrade?
      • If you are using pure PostgreSQL setup or PostgreSQL (for entities) + Cassandra (for telemetry), you are not affected.
      • If you are using pure Cassandra - the upgrade procedure is automatic but takes some time. The downtime depends on the number of devices, attributes, alarms and relations. If you have less than 10 million of those entities the upgrade should take a few minutes and depends on the database performance.


Doc info icon

Since ThingsBoard 3.0 only PostgreSQL database is supported for entities data

ThingsBoard package download

1

wget https://github.com/thingsboard/thingsboard/releases/download/v3.0/thingsboard-3.0.rpm

ThingsBoard service upgrade

  • Stop ThingsBoard service if it is running.
1

$ sudo service thingsboard stop

1

sudo rpm -Uvh thingsboard-3.0.rpm

NOTE: Package installer will ask you to merge your thingsboard configuration. It is preferred to use merge option to make sure that all your previous parameters will not be overwritten.
Please make sure that you set database.ts.type parameter value (in the file /etc/thingsboard/conf/thingsboard.yml) to “cassandra” instead of “sql” if you are using Cassandra database for timeseries data:

1
2
3
4

  database:
    ts_max_intervals: "${DATABASE_TS_MAX_INTERVALS:700}" # Max number of DB queries generated by single API call to fetch telemetry records
    ts:
      type: "${DATABASE_TS_TYPE:sql}" # cassandra, sql, or timescale (for hybrid mode, DATABASE_TS_TYPE value should be cassandra, or timescale)

NOTE: If you were using Cassandra database for entities data execute the following migration script:

1
2

# Execute migration script from Cassandra to PostgreSQL
sudo /usr/share/thingsboard/bin/install/upgrade.sh --fromVersion=2.5.0-cassandra

Otherwise execute regular upgrade script:

1

sudo /usr/share/thingsboard/bin/install/upgrade.sh --fromVersion=2.5.0

Start the service

Doc info icon

If you use Redis for caching, you need to flush all stored keys before starting the ThingsBoard.

Connect to your Redis instance (or container/pod, depending on your setup) and run the command:

redis-cli flushall

Please note that this command is applicable only if you use Redis exclusively for ThingsBoard. If other applications use Redis, you need to locate the ThingsBoard database and flush only that. The default database index is 0, configurable with REDIS_DB ThingsBoard environment value.

redis-cli

select 0

flushdb

1

sudo service thingsboard start

Next steps