Stick with 4K as the page size (the default, and the size operating systems use) unless:

• You are storing large objects.
• You have very large tables (over 10,000 rows).

  For very large tables, large pages reduces the number of I/Os required.

• For read-only applications, use a large page size (for example, 32K) with a pageReservedSpace of 0.

You might need to experiment with page size to find out what works best for your application and database.