Hit counter persistent variables

[Delta Yeh]

Is shared memory Ok for that? And there can be a tool  view the stats.

2008/8/20 Igor Sysoev <is at rambler-co.ru>:
> On Wed, Aug 20, 2008 at 09:40:42PM +0700, Chris Savery wrote:
>
>> Thanks for the suggestion. I don't really want to go to that extent and
>> I'd wonder if updating a database would just slow the static files down.
>> What I had in mind is just incrementing a variable. I suppose I could
>> write a simple module that maintains a few in memory varibles. Just
>> wondered if there was an easier way.
>>
>> Maybe write a log format that just adds a single char for each hit. Then
>> later I can find hit count by checking the length of that log file? And
>> a cron once an hour that stores the file length in another file and
>> deletes the log so it repeats. But is it possible to just write one char
>> to a log file? Maybe log format like,
>>
>> log_format hits 'x';
>>
>> Just an idea. Would that be very fast?
>
> The simple log is better than db because it has lesser overhead.
> The single byte is not possible because nginx adds new line, but
> you just need to divide the size by two. The access_log should be
> buffered:
>
>      access_log  path/to/log   hits  buffer=128k;
>
>
>> Manlio Perillo wrote:
>> >Chris Savery ha scritto:
>> >>Hello,
>> >>
>> >>Is there a way to have hit counter variables that would save every
>> >>hour or persist across restarts?
>> >>
>> >>I'm working on a photography site that I expect to be serving a huge
>> >>number of thumbnail (static) images. I don't need full logging of the
>> >>thumbnails so I've turned if off for that location but it sure would
>> >>be nice to keep some tracking of how many are served and perhaps at
>> >>what rate. I thought maybe just a counter variable that increments on
>> >>each hit in that location but it wouldn't be too useful unless it
>> >>could save to file from time to time, or perhaps append a count to a
>> >>file every hour so there is a time series log.
>> >>
>> >
>> >
>> >You can write an Nginx module that use, as an example, gdbm to store
>> >data, protected with a lock.
>> >
>> >
>> >
>> >Manlio Perillo
>> >
>> >
>>
>
> --
> Igor Sysoev
> http://sysoev.ru/en/
>
>