DBA_HIST_STREAMS_POOL_ADVICE displays historical information about the estimated count of spilled or unspilled messages and the associated time spent in the spill or unspill activity for different Streams pool sizes. This view is intended for use with Automatic Workload Repository (AWR).
Unique snapshot ID
Database ID of the snapshot
Instance number of the snapshot
Pool size for the estimate (in megabytes)
Size factor with respect to the current pool size
Estimated count of messages spilled from the Streams pool