IBM InfoSphere Streams Version 4.1.1
checkpoint
- type:
- Either operatorDriven or void periodic (float64 seconds)
- examples:
- config checkpoint : operatorDriven;
- config checkpoint : periodic(10.0);
- description:
- There are two possible subconfigs, which
are mutually exclusive.
- automatic:
- The periodic subconfig specifies the interval, in seconds, at which operator instance saves its state for fault recovery. The value must be > 0.
- manual:
- The operatorDriven subconfig specifies that the operator checkpoints itself by calling the checkpoint API.
- default:
- never
- where:
- any operator invocation or composite operator.