Database Memory & 4030/4031 (MOSC)

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Increase work area size beyond 2 GB

edited Oct 30, 2018 3:12PM in Database Memory & 4030/4031 (MOSC) 5 commentsAnswered

Many documents (including 1392549.1, 453540.1, 2070261.1) state that the sort work area cannot be increase beyond 2 GB. However, querying V$SQL_WORKAREA_HISTOGRAM in multiple databases, I see optimal executions in work area sizes greater than 2 GB, some as large as 8 GB. First, how do you explain this anomaly? Second, what configuration options are available to explicitly increase work areas to these larger values?

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