Re: cone's beginner: some questions

Elisa Manara writes:

> Sam Varshavchik writes:
> 
>> Nope.  By definition, the number of messages in a top-level folder always 
>> gets updated.  If the server can't quickly count the number of messages in a 
>> folder then you'll just have to keep the number of top-level folders at a 
>> minimum.
> 
> I have about 15 top-level folders, and they are local mbox files, filled by 
> procmail. Cone locks when it performs open() and read() on these local 
> folders, so often.

The only way to count the number of messages in an mbox file is to read it 
in its entirety.

>                    Maybe I did not undertand so good the difference between 
> top-level and "normal" folders. Certainly top-level folders get always 
> updated, this is what I want: I ness to know which folder has received new 
> emails.

Well, that's what you got.  It is well known that large mbox folders have a 
severe performance penalty.  The only difference between top level folders 
and regular folders is that the top level folders are immediately 
accessible, and that their status is frequently updated.

>         Anyway, how handles Cone "normal" folders? I just tried to append 
> some mail to an existing folder but strace shows me only stat() calls (i.e. 
> no open() and read() for updating), in fact I don't see any changes as 
> regards to the folder content (number of messages, number of unread 
> messages). In short, how can I configure Cone to keep my folders always 
> updated, without locking so often?

mbox folders require locking.

You should switch to maildirs.

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