The Spider Storage Engine is the Storage Engine of MySQL that has the following features. - Table link 　　 Spider makes to be available that tables in some other MySQL servers can use like in local MySQL server. - Boost 　　Spider can reinforce and expand the other Storage Engine's features by cooperation. - XA transaction 　　Spider can synchronize update for some MySQL servers by XA transaction. 　　Because the spider supports XA transaction, it can be used for the clustering of update series Database. - Table partitioning 　　Spider can partition a table data for tables in some other MySQL servers. Future Road map -Summer 2009 　・Generally available release. 　・"Engine-condition-pushdown" will be available. 　　　It can do a intelligent search more than now. -Fall in 2009 　・"Save point" will be available 　　　It can rollback to save point. It can only commit or rollback all transaction currently. 　・Spider will be available on drizzle. 　　　Drizzle is a fork of MySQL for scalability and performance. -2010 　・A table of oracle will be available by Spider's table link.