FTS delays

Timo Sirainen tss at iki.fi
Sun Apr 21 12:42:01 EEST 2019


Inbox appears in the list of arguments, because fts_backend_xapian_lookup() is parsing the search args wrong. Not sure about the other issue.

> On 21 Apr 2019, at 19.31, Joan Moreau <jom at grosjo.net> wrote:
> 
> For this first point, the problem is that dovecot core sends TWICE the request and "Inbox" appears in the list of arguments ! (inbox shall serve to select teh right mailbox, never sent to the backend)
> 
> And even if this would be solved, the dovecot core loops *after* the backend hs returneds the results
> 
> 
> 
> # doveadm search -u jom at grosjo.net mailbox inbox text milan
> doveadm(jom at grosjo.net): Info: Get last UID of INBOX = 315526
> doveadm(jom at grosjo.net): Info: Get last UID of INBOX = 315526
> doveadm(jom at grosjo.net): Info: Query: FLAG=AND
> doveadm(jom at grosjo.net): Info: Query(1): add term(wilcard) : inbox
> doveadm(jom at grosjo.net): Info: Query(2): add term(wilcard) : milan
> doveadm(jom at grosjo.net): Info: Testing if wildcard
> doveadm(jom at grosjo.net): Info: Query: set GLOBAL (no specified header)
> doveadm(jom at grosjo.net): Info: Query : ( bcc:inbox OR body:inbox OR cc:inbox OR from:inbox OR message-id:inbox OR subject:inbox OR to:inbox ) AND ( bcc:milan OR body:milan OR cc:milan OR from:milan OR message-id:milan OR subject:milan OR to:milan )
> doveadm(jom at grosjo.net): Info: Query: 2 results in 1 ms // THIS IS WHEN BACKEND HAS FOUND RESULTS AND STOPPED
> d82b4b0f550d38593644000095331209 847
> d82b4b0f550d38593644000095331209 1569
> d82b4b0f550d38593644000095331209 2260
> d82b4b0f550d38593644000095331209 2575
> d82b4b0f550d38593644000095331209 2811
> d82b4b0f550d38593644000095331209 2885
> d82b4b0f550d38593644000095331209 3038
> d82b4b0f550d38593644000095331209 3121 -> LOOPING FOREVER
> 
> 
> 
>  
> 
> 
> On 2019-04-21 09:57, Timo Sirainen via dovecot wrote:
> 
>> On 3 Apr 2019, at 20.30, Joan Moreau via dovecot <dovecot at dovecot.org <mailto:dovecot at dovecot.org>> wrote:
>>> 
>>> doveadm search -u jom at grosjo.net <mailto:jom at grosjo.net> mailbox inbox text milan
>>> output
>>> 
>>> doveadm(jom at grosjo.net <mailto:jom at grosjo.net>): Info: Query : ( bcc:inbox OR body:inbox OR cc:inbox OR from:inbox OR message-id:inbox OR subject:inbox OR to:inbox OR uid:inbox ) AND ( bcc:milan OR body:milan OR cc:milan OR from:milan OR message-id:milan OR subject:milan OR to:milan OR uid:milan )
>>> 
>>> 1 - The query is wrong
>> 
>> That's because fts_backend_xapian_lookup() isn't anywhere close to being correct. Try to copy the logic based on solr_add_definite_query_args().
>> 
>> 

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