On 7 okt 2009, at 11.01, Igor Sysoev wrote:

> On Wed, Oct 07, 2009 at 07:45:45AM +0200, Hoang Hoang wrote:
>
>> Igor Sysoev wrote:
>>> Changes with nginx 0.8.18
>>> 06 Oct
>>> 2009
>>>
>>> *) Feature: the "read_ahead" directive.
>>>
>>> *) Feature: now several "perl_modules" directive may be used.
>>>
>>> *) Feature: the "limit_req_log_level" and "limit_conn_log_level"
>>> directives.
>>>
>>> *) Bugfix: now "limit_req" directive conforms to the leaky bucket
>>> algorithm.
>>> Thanks to Maxim Dounin.
>>>
>>> *) Bugfix: nginx did not work on Linux/sparc.
>>> Thanks to Marcus Ramberg.
>>>
>>> *) Bugfix: nginx sent '\0' in a "Location" response header line
>>> on
>>> MKCOL request.
>>> Thanks to Xie Zhenye.
>>>
>>> *) Bugfix: zero status code was logged instead of 499 status
>>> code;
>>> the
>>> bug had appeared in 0.8.11.
>>>
>>> *) Bugfix: socket leak; the bug had appeared in 0.8.11.
>>
>> Thank a lot Igor
>>
>> Could you explain new added features in this version in more details?
>>
>> + "read_ahead" directive.
>
> On FreeBSD 7.2 with the patch
> http://sysoev.ru/html/freebsd/patch.readahead.txt

This is 404, I'm guessing you mean http://sysoev.ru/freebsd/patch.readahead.txt
?

>
> sendfile on;
> tcp_nopush on;
> aio sendfile;
> read_ahead 512k;
>
> On Linux:
>
> sendfile on;
> read_ahead 1;
>
> On Linux nginx calls
> posix_fadvise(0, 0, 0, POSIX_FADV_SEQUENTIAL);
> and the read_ahead value is ignored.
>
>> + several "perl_modules" directive may be used.
>
> perl_modules /path1/to/modules;
> perl_modules /path2/to/modules;
> perl_modules /path3/to/modules;
>
>> + the "limit_req_log_level" and "limit_conn_log_level" directives.
>
> limit_req_log_level [info|notice|warn|error];
> limit_conn_log_level [info|notice|warn|error];
>
> The directives set log level for messages about limiting requests and
> connections.
>
>
> --
> Igor Sysoev
> http://sysoev.ru/en/
>