onsdagen den 29 januari 2003 kl 21.55 skrev Pete Beck:
Using Hypersonic as a "sql-cache front-end" to Your DB is possible today with additional trigger classes.On a side note, I wonder if the SQL parser in the hypersonic codebase could be modified to work on EJBs? :-)
torsdagen den 30 januari 2003 kl 17.57 skrev Dain Sundstrom:
There are two solutions here: all data is in memory, or we cache query results.Depending on application both scenarios can be done with the above mentioned Hypersonic trigger classes.
As Dain points out synchronising the "sql-cache front-end" and the "DB back-end" is dependent on the application.
1) one way would be to let all traffic to the "DB back-end" pass through the "sql-cache front-end".
2) another would be to build native notifications from the "DB back-end" to update the "sql-cache front-end".
With the current Hypersonic version 1.7.1 it is only recommended for non tx style apps. Then again using 2) one would let the "DB back-end" with or without JBoss managed tx update the "sql-cache front-end" ... from the tx able "DB back-end".
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