[Dovecot] Global FTS index?

[Patrick Nagel]

Hi,

I tried the FTS (and FTS Squat) plugin today, and it works as advertised.

But: On my 13000 folders with 160000 mails maildir I use for testing, the 
speed increase is not as big as one would wish (it still takes several 
minutes to complete a search).

Is my assumption correct, that there is no way to do a search over a big IMAP 
folder hierarchy in a reasonable amount of time, because each folder has to 
be 'selected', and only one folder can be selected at once? 

Patrick.

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