java - HSQLDB is eating all my memory -

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i'm using hsqldb application stores research data , there quite lot of data. hsqldb insists on loading tables memory. i've tried fixing setting hsqldb.default_table_type=cached in persistence.xml not work.

is wrong place?

persistence.xml

<persistence-unit name="dvh db" transaction-type="resource_local">     <class>com.willcodejavaforfood.dvh.entity.patient</class>     <class>com.willcodejavaforfood.dvh.entity.plan</class>     <class>com.willcodejavaforfood.dvh.entity.dvh</class>     <class>com.willcodejavaforfood.dvh.entity.importsession</class>     <class>com.willcodejavaforfood.dvh.entity.project</class>     <class>com.willcodejavaforfood.dvh.entity.course</class>     <class>com.willcodejavaforfood.dvh.entity.property</class>     <properties>         <property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:./mydvhdb"/>         <property name="javax.persistence.jdbc.user" value="sa"/>         <property name="javax.persistence.jdbc.password" value=""/>         <property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbcdriver"/>         <property name="hibernate.dialect" value="org.hibernate.dialect.hsqldialect" />         <property name="hibernate.hbm2ddl.auto" value="create-drop" />         <property name="hsqldb.default_table_type" value="cached" />     </properties> </persistence-unit>

when hsqldb database created can see in properties file:

hsqldb.default_table_type=memory

thanks

could try putting hsqldb.default_table_type=cached in connection string? this: jdbc:hsqldb:./mydvhdb;hsqldb.default_table_type=cached


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