dovecot - Oct 2019 - Dovecot HSM

Hi.

I'm looking for a tutorial/how-to for a HSM (Hierarchical /Storage/ 
Management). keeping old messages for a user in a cheap storage and 
recent messages in a faster one.

I see on dovecot2 wiki an alternative for hsm as "Alternate storage", 
but I don't now if it's a good solution for me.

The expected result is a faster imap/pop access for new messages on a 
"heavy mail users" mailbox, and obviously low cost!

Thanks in advance.

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     _    Eng? Julio Cesar Covolato
    0v0   <julio at psi.com.br>
   /(_)\  F: +55 11 99175-9260
    ^ ^   PSI INTERNET
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> On 30 Oct 2019, at 23.09, J?lio Covolato via dovecot <dovecot at
dovecot.org> wrote:
> 
> Hi.
> 
> I'm looking for a tutorial/how-to for a HSM (Hierarchical Storage
Management). keeping old messages for a user in a cheap storage and recent
messages in a faster one.
> 
> I see on dovecot2 wiki an alternative for hsm as "Alternate
storage", but I don't now if it's a good solution for me.
> 
> The expected result is a faster imap/pop access for new messages on a
"heavy mail users" mailbox, and obviously low cost!
> 
> 
Easiest way and also what usually is done is to store the index and lock files
on a faster storage. Those are more often accessed than the mail objects itself.
Also using FTS (Full Text Search) engine will speed up user searches
significantly as then there is no need to open the mail objects itself.

Sami


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