Startup scripts - Use -m fast or smart?

Hi chaps,

I've just changed my startup scripts to use the linux one supplied in
contrib.

I noticed this uses the "-m fast" argument for start and stop.

Before I setup the scripts I was using "-m smart" to make sure all
queries were finished before shutting dowm on all but my WAL slave.

I was going to change these to -m smart just to be safe, however I
just wanted to check if there was any reason not to do this?

Thanks
Glyn

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