Oracle Streams Log Purging Question

Received this from a colleague. We are running on Oracle 10.2.0.2 on HP Itanium HP-UX.

We have a downstreams capture process that is filling our mount point with logs. We have the checkpoint_retention_time set to .01 so they will be kept about an hour. I know from my reading there is a process that runs and looks at the retention and marks the logs as purgeable. It appears to me that it runs once a day. Once a day is not often enough for us. I cannot find anything on this process except a reference that says something runs and marks the logs. Does anyone know anything about the process and how we can make it run more often? I have read we can set the checkpoint_retention_time to infinite so the logs won't get purged, but how can we set them to be marked purgeable as soon as they are processed or set the process up to run more often that marks them purgeable?

Candy

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