[Rspamd-Users] duplicate error in logfile

[christian]

Am 23.03.2024 um 12:55 schrieb G.W. Haywood:
> Hi there,
> 
> On Sat, 23 Mar 2024, christian via Users wrote:
> 
>> I have recently had around 10 "duplicate" entry warnings in my log.
>>  But I can't find the duplicates in the associated map file. The term 
>> only appears once. Then where is this duplicate? I deleted the redis 
>> database.
>> The problem that occurs now is that a service rspamd restart takes 
>> almost a minute.
>> ...
>> 2024-03-23 12:27:22 [warn] #172084(main) <uqpyz9>; map; 
>> rspamd_map_helper_insert_re: duplicate re entry found for map 
>> /etc/rspamd/maps.d/regex_body-HAM.map: geburtsurkunde (old value: '1', 
>> new: '1')
> 
> Regular expressions are tricky.  Taking the fact that you seem to be
> experiencing a drop in performance together with the warnings in your
> log, I suspect that you have crafted a regex which is (a) not doing
> what you think it's doing and (b) extremely inefficient, so causing
> excessive CPU usage.  It's easy to get regexes ranges so badly wrong
> that you DOS yourself, especially if they use the '*' character.
> 
> It might be easier if you can post the map file, but if you don't want
> to put it on the public list then do please feel free to send it to me
> privately.  The message will probably be rejected (private mail to my
> list address) but I'll see it anyway.
> 

I have sent an email directly to you. Has she arrived?
Christian