> Which is totally unclear as to exactly how it will work. eg is it whole
> tables only on disk, partitions of tables etc.
Given _attributes_ on disk. No indexed attributes in 5.1.
In particular PK must be in memory.
> More importantly, will there be a significant performance penalty?
Disk pages are cached (like in any real rdbms). If cache hit ratio
is good, performance should be close to memory data.
> ...Performance was a lot poorer than InnoDB at the time.
InnoDB is within same process (mysqld). NDB is networked.
--
Pekka Nousiainen, Software Engineer
MySQL AB, www.mysql.com
pekka@stripped +46 (0) 73 068 4978
