Re: cursorMark and timeAllowed are mutually exclusive?

[Bernd Fehling <be...@uni-bielefeld.de>]

Hi Chris,

another question pops up, is cursorMark cloud aware?

And if so, who is handling the cursorMark and what if a shard goes down
and comes up again?

Regards
Bernd

Am 30.06.2015 um 08:43 schrieb Bernd Fehling:
> Thanks for your explanation.
> Right out of your head, are there any other options which prevent
> getting a cursorMark?
> 
> Yes, that was also my idea to set up a separate request handler
> for harvesting without timeAllowed.
> 
> As Shawn suggested, a short note about this should go into the documentation.
> 
> Regards,
> Bernd
> 
> 
> Am 29.06.2015 um 18:57 schrieb Chris Hostetter:
>>
>> : > Have nothing found in the ref guides, docs, wiki, examples about this mutually
>> : > exclusive parameters.
>> : >
>> : > Is this a bug or a feature and if it is a feature, where is the sense of this?
>>
>> The problem is that if a timeAllowed exceeded situation pops up, you won't 
>> get a nextCursorMark to use -- or the one you get might be wrong, and 
>> could trigger infinit looping.
>>
>>
>> code doesn't really know about hte cursorMark code, so if a timeAllowed 
>> "exceeded" siutation pops up, you might not get a nextCursorMark in your 
>> response, which i considered unacceptible.  if you ask for a cursorMark, 
>> you get a cursor mark.  if you ask for a cursor mark and include other 
>> options that make it possible we can't do that, it's an error.
>>
>> With a bit of work, both could probably be supported in combination -- but 
>> for now it's untested, and thus unsupported, so we put in that error 
>> message to make it clear and to guard end users against the risk of 
>> nonsensical results.
>>
>>>> Yes, I'm using timeAllowed which is set in my requestHandler as
>>>> invariant to 60000 (60 seconds) as a limit to "killer searches".
>>
>> Your best is porbably to confine your cursorMark searches to an alternate 
>> request handler, not used by your normal arbitrary queries, that doesn't 
>> have the timeAllowed invariant.
>>
>>
>>
>> -Hoss
>> http://www.lucidworks.com/
>>
>