Re: Копятся процессы apache

[Борис Долгов]

Посмотреть, что они делают через mod_status?

20 мая 2009 г. 1:36 пользователь Алексей <systeamx at gmail.com> написал:

> Здравствуйте!
>
> Сервер работает в связке nginx+apache (mod_php).
> На сервере предоставляется хостинг поэтому довольно много сайтов - 300-600.
>
> В течении дня возникают ситуации когда копятся большое кол-во
> процессов апача, которые естественно провоцируют рост LA иногда сразу
> до 20-30.
> После перезапуска апача всё встаёт на свои места, но не сильно
> надолго. Причём с виду ничего особенного - идут стандартные запросы...
>
> Подскажите пожалуйста, что можно предпринять чтобы предотвратить рост
> процессов - возможно ли как-то ограничить нагрузку на CPU, или сделать
> настройки в самом апаче от этого? Возможно ли тут влияние настроек
> nginx?
> Вот типичный список процессов во время перегрузки:
>
> ===================================
> %CPU CPU  NI S     TIME COMMAND
>  0.1   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.1   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 D 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 D 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:19 nginx: worker process
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.2   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:20 nginx: worker process
>  0.3   -   0 D 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 D 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 D 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.3   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.4   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.4   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.4   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.4   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.4   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.4   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.5   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.5   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.5   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.5   -   0 S 00:00:00 /usr/local/apache/bin/httpd -k start
>  0.5   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.6   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.6   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.7   -   0 S 00:00:01 /usr/local/apache/bin/httpd -k start
>  0.7   -   0 S 00:00:02 /usr/local/apache/bin/httpd -k start
>  1.2   -   0 S 00:00:03 /usr/local/apache/bin/httpd -k start
>  1.4   -   0 S 00:00:04 /usr/local/apache/bin/httpd -k start
> ===================================
>



-- 
С уважением, Борис Долгов.
icq 77556665
e-mail boris at dolgov.name
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