Controlling dovecot caching decisions

[Sivathmican Sivakumaran]

Thanks Aki,

Just a followup regarding this. I set  "mail_always_cache_fields" to the
following in dovecot configuration file:

mail_cache_fields = flags,imap.body,imap.bodystructure
mail_always_cache_fields = imap.body,imap.bodystructure

I run the following command to ensure that these configurations have an
effect on the caching behavior:

doveadm index -u bob INBOX

I notice that "data->wanted_fields" in index-mail.c is as follows:

(MAIL_FETCH_STREAM_HEADER | MAIL_FETCH_STREAM_BODY |
MAIL_FETCH_RECEIVED_DATE | MAIL_FETCH_SAVE_DATE | MAIL_FETCH_PHYSICAL_SIZE
| MAIL_FETCH_VIRTUAL_SIZE | MAIL_FETCH_UIDL_BACKEND | MAIL_FETCH_GUID |
MAIL_FETCH_POP3_ORDER)

Since I made the changes above I except  data->wanted_fields to
contain MAIL_FETCH_IMAP_BODY
and MAIL_FETCH_IMAP_BODYSTRUCTURE. This tells me that these fields are not
being cached?

Am I doing something wrong here?



On 19 March 2018 at 02:33, Aki Tuomi <aki.tuomi at dovecot.fi> wrote:

>
>
> On 19.03.2018 05:14, Sivathmican Sivakumaran wrote:
> > Hello,
> >
> > It looks like the "mail_always_cache_fields" and
> > "mail_never_cache_fields" can be used to control dovecot's caching
> > decisions. I cannot seem to find any documentation regarding how these
> > fields should be used.
> >
> > What are acceptable values for these fields? I am quite new to this so
> > any help would be much appreciated.
> >
> > Regards,
> >
> > Siva
>
> Hi!
>
> You can use the same field names as for 'doveadm fetch'. Please note
> though that you need to rm dovecot.index.cache file after changes, this
> has only been fixed in 2.2.34 dovecot release.
>
> Aki
>
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