Hi Simon,
Try selecting the non conversation view before doing the search. It seems
Roundcube has something weird there… but I could assure you it uses it when you
set the non-conversation (non thread view). I think really it does even there,
but perhaps it enter in a non-controlled loop with all the messages of the
conversations or something similar… I think this is an issue in Roundcube
rather than in Cyrus… We had this same doubt some time ago,
Cheers,
> El 23 feb 2020, a las 23:54, ellie timoney <el...@fastmail.com> escribió:
>
> I don't really understand search in any depth, but it's interesting to
> observe that, in addition to the different command (SEARCH vs THREAD), those
> two searches are also using different search criteria ("BODY linux" vs "TEXT
> linux").
>
> It might be informative to try do the SEARCH search with "TEXT linux" instead
> of "BODY linux", to narrow down whether the difference is due to the use of
> the SEARCH vs THREAD command, or the use of the "BODY" vs "TEXT" search key?
>
> Looking at the source on master, SEARCH and THREAD both seem to be using the
> same search API, so at a glance it seems like they should both be using
> Xapian if either is. And looking at the commit dates on those functions, it
> doesn't look like it's changed substantially since 3.0, at least not at a
> level I can easily see.
>
> I had a quick look at the RFC, and "BODY" searches just the message body,
> whereas "TEXT" searches both body and headers. So I wonder if the difference
> is that TEXT needs to open all the message files to read the headers, whereas
> BODY can just return results straight from the Xapian index?
>
> I'm not sure if there's been changes to header searching (like, maybe we
> index more of the header content?) since 3.0, but this is getting beyond what
> I know off the cuff or can just casually look up.
>
> Anyway, if you could try "UID SEARCH TEXT linux" and see if that's similarly
> slow to the THREAD version, that would give us a definite pointer in the
> right direction.
>
> Cheers,
>
> ellie
>
> On Sun, Feb 23, 2020, at 10:11 PM, Frederik Himpe via Info-cyrus wrote:
>> I have configured Cyrus 3.0.13 with the Xapian search engine and
>> enabled search_fuzzy_always. This appears to work fine when I search in
>> the message body using the Evolution mail client, as I get a response
>> quickly:
>>
>> <1582453709<L03163 UID SEARCH BODY linux
>>> 1582453713>* SEARCH 226927
>> 226929 226964 226974 226999 227215 227238 [...]
>> L03163 OK Completed (643
>> msgs in 0.970 secs)
>>
>> However when I search messages using the Roundcube webmail client,
>> Roundcube does not get a response in time and shows no results. An
>> strace of the imapd proceess indicates it is STATing, OPENing and
>> MMAPing all files in the mailbox.
>>
>> This is the log:
>> <1582455581<A0004 UID THREAD REFS US-ASCII ALL UNSEEN TEXT Linux
>>> 1582455723>* THREAD
>> (229566)(229570)(229574)(229599)(229618)(229639)[...]
>> A0004 OK Completed (157 msgs in 11.340 secs)
>>
>> So it appears Roundcube is using a different command to search. Is it
>> expected that this command does not use the Xapian search engine? Is
>> there a way to make it use it?
>>
>> Some relevant snippets from imapd.conf:
>> sync_log: on
>> sync_log_channels: squatter
>>
>> conversations: 1
>> search_engine: xapian
>> search_index_headers: no
>> search_batchsize: 8192
>> search_fuzzy_always: 1
>> defaultsearchtier: temp
>> tempsearchpartition-default: /var/lib/cyrus/search.temp
>> datasearchpartition-default: /var/lib/cyrus/search.data
>>
>> cyrus.conf:
>>
>> EVENTS {
>> squatter1 cmd="/usr/bin/nice -n 19 /usr/sbin/cyrus
>> squatter -z data -t temp,data" at=0517
>>
>> }
>> DAEMON {
>> squatter cmd="squatter -R"
>> }
>>
>>
>> Regards,
>>
>> --
>> Frederik Himpe <frede...@frehi.be>
>>
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