Minimising disk writes

Hi,

I'm at the investigation stage of a project that
involves putting
a database on an embedded device. One of the problems
we face is
that the filesystem is on Flash Memory so we need to
minimize any
writes.

Looking at the docs, it seems that temp_buffers, and
work_mem are
the two variables we might play about with to achieve
this. Are
there any others I should be aware of?

Is it just a bad idea to use postgresql for this type
of thing?

Regards,
Andy

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