a web cache system base on nginx web server. faster and more efficient than squid

焦胜强 jiaosq at mail.51.com
Fri Jan 18 06:26:25 MSK 2008


http://code.google.com/p/ncache/
What is ncache?

a web cache system base on nginx web server. faster and more efficient than
squid.

we have published a release version
1.2<http://ncache.googlecode.com/files/ncache-1.2.tar.gz>now, you can
see the change log
here <http://code.google.com/p/ncache/wiki/NCacheChangeLog>.

and we will maintain it be fresh.

you can also visit here by http://www.ncache.org or
http://ncache.googlecode.com

and left your message here <http://groups.google.com/group/ncache-group>

there is also have some BUGS, so if you find it please tell us, thanks alot.


shinepf at gmail.com shineyear at msn.com

shuiyang at gmail.com shuiyang at live.cn
Features

   - The large storage can save over 30,000,000 caches


   - The self sort share memory hash index


   - Use linux epoll, sendfile and aio to improve the performance


   - Base on the fastest web server framework : nginx


   - The high throughput and high concurrent volume of the cache request


   - Without http headers cache


   - Low cpu cost and low iowait

Future

   - The aio_sendfile function


   - Compress share memory hashmap index


   - Memory cache the hottest data


   - Raw device read and write


   - Distribute storage system


   - Aio queue with lio_listio function

How to use?

You can see it on the wiki paper
here<http://code.google.com/p/ncache/wiki/HowToUseNCache>.

Problem yet~

   - The memory cache elimination algorithm is not very mature so we will
   add this function at next version.


   - only support on linux 2.6 up.


   - do not have enough information about the Run-time statistics
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