How to use BIG data in my module?

[XueHJ]

----- Original Message ----- 
From: "Igor Sysoev" <igor at sysoev.ru>
To: <nginx-devel at nginx.org>
Sent: Friday, May 06, 2011 2:18 PM
Subject: Re: How to use BIG data in my module?


> On Fri, May 06, 2011 at 02:14:37PM +0800, XueHJ wrote:
>> 
>> ----- Original Message ----- 
>> From: "Igor Sysoev" <igor at sysoev.ru>
>> To: <nginx-devel at nginx.org>
>> Sent: Friday, May 06, 2011 12:44 PM
>> Subject: Re: How to use BIG data in my module?
>> 
>> 
>> > On Fri, May 06, 2011 at 12:38:55PM +0800, XueHJ wrote:
>> > 
>> >> ----- Original Message ----- 
>> >> From: "Piotr Sikora" <piotr.sikora at frickle.com>
>> >> To: <nginx-devel at nginx.org>
>> >> Sent: Thursday, May 05, 2011 8:26 PM
>> >> Subject: Re: How to use BIG data in my module?
>> >> 
>> >> 
>> >> > Hi,
>> >> > 
>> >> >> in which to load into memory a BIG data (about 800MB),
>> >> > 
>> >> > 800MB isn't really "big data" [0].
>> >> > 
>> >> >> the processing of each HTTP request must use the data,
>> >> For me it really is a large data, huh, huh
>> >> > 
>> >> > Each request must use all or just parts of the data?
>> >> Yes, just parts of the data.
>> >> > 
>> >> >> how do I store the data? What structure to use?
>> >> > 
>> >> > That of course depends on the data and the processing.
>> >> > There is no general answer.
>> >> The reason why the data is loaded into memory, hoping to respond to requests faster.
>> >> But how to achieve it? Use ngx_shared_memory?Asked me a suggestion.
>> > 
>> > If this is read only data, you can read at at configuration phase
>> > and they will be shared among all workers due to fork().
>> > Also, you can just mmap() the file.
>> > 
>> Yes, The data is read only.
>> For the first solution, Can a rough guide the structure? 
>> Before that I just wrote some simple module.
> 
> void *

Thanks!
If there is a sample code to better.
> 
> 
> -- 
> Igor Sysoev
> 
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