Use eclipselink.connection-pool.read
to configure a read connection pool for non-transaction read queries.
Table 5-25 describes this persistence property's values.
By default, TopLink does not use a separate read connection pool; the default pool is used for read queries.
Example 5-15 shows how to use this property in the persistence.xml
file.
For more information, see:
"Connection Pools" in Understanding Oracle TopLink
"Connection Pooling" in Solutions Guide for Oracle TopLink