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MySQL Large ResultSet java.lang.OutOfMemoryError Workaround

Posted by Kelvin on 04 Mar 2010 | Tagged as: programming

Ever tried to fetch all rows from a large MySQL table?
You’re bound to hit up against a java.lang.OutOfMemoryError.
So you try searching for how to set the fetchSize, and of course, it doesn’t quite work.
The MySQL JDBC Driver implementation notes states:

By default, ResultSets are completely retrieved and stored in memory. In most cases [...]

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