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To increase the maximum size of a table or also to increase system efficiency large page sizes can be used, however for many narrow tables the benefit is taken away by being unable to fill a page.
The Informix compression option is superb and achieves amazing size reductions but the benefits are often only fully realised for indices where the rows per page limit does not exist. For tables small page sizes must be used for the majority of tables on our system to avoid hitting this limit.
Overall I think the negative consequences of this are:
DBA time in working out, dealing with the problem, goes against the idea that Informix has a low support requirement.
Unable to benefit from the efficiencies of larger page sizes without wasted space.
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