Hi Val,

Thanks for your clarification and I got two more questions.

1, How about the performance of the SQL query(for example) If the data is
not pre-loaded to the memory automatically after restart, as described
above, all the related data has to be loaded from the disk for the very
first time, will the query have a visible slow compare the the memory
calculation.

2, Is the data reloaded to the memory in page level or record level ?

e.g.

page A has
 - record 1
 - record 2
 - record 3

If the query need record 1, will Page A(including record 1 , record 2 ,
record 3 ) be loaded or only recrod 1 will be loaded into the memory.

- Kane



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