Business Flow Manager settings
Use this panel to manage a Business Flow Manager on a given server.
A Business Flow Manager provides services to run BPEL processes within an application server. To view this administrative console page, click , then on the Configuration tab, in the Business Process Manager section, expand Business Process Choreographer, click Business Flow Manager and select the Configuration tab.
Retry limit
Specifies the maximum number of times to try to process a message. When the limit is reached, the message is sent to the hold queue.
| Property | Value |
|---|---|
| Field type | Integer |
| Default | 5 |
| Range | 2 to 10 (recommended) |
Retention queue message limit
The maximum number of messages that can be stored in the retention queue. When the limit is reached, the messages are sent to the queue for internal messages again and the business flow manager switches into quiesce mode.
| Property | Value |
|---|---|
| Field type | Integer |
| Default | 20 |
Retention queue
The JNDI name of the queue that contains messages that cannot be processed currently, and that require a retry later.
| Property | Value |
|---|---|
| Field type | Read-only string |
| Default | jms/BPERetQueue |
Hold queue
The JNDI name of the queue that holds any messages that failed processing more times than the retry limit.
| Property | Value |
|---|---|
| Field type | Read-only string |
| Default | jms/BPEHldQueue |
Enable Common Event Infrastructure logging
Common Event Infrastructure logging (CEI) logging can be enabled or disabled.
| Property | Value |
|---|---|
| Field type | Check box |
Enable audit logging
Audit logging for this Business Flow Manager can be enabled or disabled.
| Property | Value |
|---|---|
| Field type | Check box |
Business Process Navigation Performance
This section allows you to enable navigation performance optimization.
Enable advanced performance optimizations
Allows you to enable optimizations for BPEL process navigation.
| Property | Value |
|---|---|
| Field type | Check box |
| Default | Selected. When this option is selected, work-manager based navigation is used. When this option is cleared, JMS navigation is used. |
Message Pool Size
The message pool is used as a buffer when more messages are produced than consumed.
Messages are produced by navigation threads in the work manager, and by API and SCA requests coming into the system. Messages are consumed by the navigation threads in the work manager. If the message pool becomes full, further messages are sent directly to JMS and processed using JMS navigation.
Use work manager thread pool size * 10
Select this to use the default message pool size that is based on the work manager thread pool.
| Property | Value |
|---|---|
| Field type | Selectable field |
Message pool size value
Select the selectable field to specify a value.
| Property | Value |
|---|---|
| Field type | Selectable field and integer input field |
| Units | Message objects |
Maximum age for stalled messages (in seconds)
When a message that is handled by the work-manager reaches this age it becomes eligible for recovery or processing using JMS navigation.
| Property | Value |
|---|---|
| Field type | Integer |
| Units | Seconds |
| Default | 240 |
Recovery interval for stalled messages (Simple Calendar)
Specifies how often the Business Process Choreographer triggers tries to recover messages that have reached their maximum age.
| Property | Value |
|---|---|
| Field type | A WebSphere Simple Arithmetic Calendar expression |
| Default | 2minutes |
Maximum process time on thread (in seconds)
The maximum time that a thread will process messages that navigate a process instance.
A thread will process messages for the same process instance as long as there are messages for this particular process instance available, or until this limit has been reached.
| Property | Value |
|---|---|
| Field type | Integer |
| Units | Seconds |
| Default | 240 |
Intertransaction Cache
The intertransaction cache stores database objects such as BPEL variables and process contexts between transactions.
Either select Use work manager thread pool size to use the default size, or select Intertransaction cache size to enable the input field so that you can specify a value.
| Property | Value |
|---|---|
| Field type | Selectable field and integer input field |
| Units | Number of database objects |