1.2.4 Supporting multi-tenancy by allocating multiple resource adapters
If you allocate multiple resource adapters, you can configure multi-tenancy by sharing the database (to restrain the increase
in the number of databases) and partitioning the data for every tenant. You can set up Web front system that supports multi-tenancy by allocating multiple resource adapters and adding resource adapters to the J2EE server and enabling the reference of resource adapters from business applications.
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Example of system configuration
The following figure shows an example of configuring a Web front system that supports multi-tenancy by allocating multiple
resource adapters:
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Tasks and their necessity
The following table describes the tasks to be executed for configuring a Web front system that supports multi-tenancy by allocating
multiple resource adapters and necessity of these tasks.
Table 1‒4: Tasks to be executed for configuring a Web front system that supports multi-tenancy by allocating multiple resource adapters and necessity of these tasks
Tasks to be executed for configuring a Web front system that supports multi-tenancy by allocating multiple resource adapters
|
Necessity
of executing the task
|
Conditions for executing the task
|
References
|
Preparing a database
|
Y#
|
Connecting to the database
|
2.1.1
|
Installing Application Server
|
Y
|
Mandatory (when the OS is Windows)
|
2.2.2
|
Mandatory (when the OS is AIX)
|
2.2.3
|
Mandatory (when the OS is Linux)
|
2.2.4
|
Installing the products used for connecting to the database
|
Y#
|
For connecting to the database
|
2.2.5
|
Setting up a system environment
|
Y
|
Mandatory
|
2.2.6
|
Timeout settings
|
A
|
When changing to the system environment definition that fulfills the system requirements
|
2.2.9
|
Setting and starting business applications
|
Y
|
Mandatory
|
2.2.10
|
Allocating multiple resource adapters
|
Y
|
Mandatory
|
2.4.2
|
- Legend:
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Y: Mandatory tasks.
A: Tasks to be executed with the execution conditions are fulfilled.
#: In the Example of system setup described in this manual, connection with the database is a prerequisite. Therefore, this
task is mandatory.
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