[rt-users] Is RT not multi (tasking/threading) safe!

[Jesse Vincent]

On Nov 5, 2004, at 10:41 PM, Ruslan U. Zakirov wrote:

> Jesse Vincent wrote:
>>> It's cache. RT has per apache process records cache(not shared).
>>>
>>>
>>> Solution: turn off cache with DontCacheSearchBuilderRecords option 
>>> in the RT config. Very big perfomance pinalties are expected.
>> Alternatively, a searchbuilder cache class with a shared memory cache.
> I've tried ACL cache on shared memory, tests say that it's not faster 
> then MySQL queries.
> Test of CPAN modules that implements cache in shared memory say that 
> there is no good(fast, portable and solid) module.
> I was very disappointed.
>
> I see another variant: drop cache after each HTTP request. It wouldn't 
> give much penalties and resolve this issue.

*nod* I'd been meaning to try to implement that one of these days.


> 				Best regards. Ruslan.
>
> ps: I think someone from BestPractical should talk with Perrin Harkins 
> he had eaten dog on caching in mod_perl evironment.
>