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TIBCO ActiveSpaces® 4.8.0

# Creating a Periodic Checkpoint

The creation of periodic checkpoints and the number of checkpoints to retain is specified when you configure your data grid.

Before you beginBefore creating a checkpoint, ensure that the following prerequisites are met:

- Ensure that a quorum of state keepers is running.

The following data grid configuration options apply to periodic checkpoints:
checkpoint_interval
Use to specify the time interval (in seconds) for creating checkpoints. Default is 0, which means periodic checkpoints are not created.
checkpoint_retention_limit
Use to specify the number of checkpoints to retain. Older checkpoints are automatically removed as long as no active queries use the checkpoint.

Procedure
1. To enable the creation of a periodic checkpoint, use the grid create command as is shown in the following example:

       grid create copyset_size=2 statekeeper_count=3 checkpoint_interval=600 checkpoint_retention_limit=5 mygrid

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