Azure中的Docker容器显示出较高的CPU使用率

Question

我们有一个用PHP创建的Web应用程序，并且我们正在使用Docker，并且将其上传到Azure容器注册表中。它运行良好，从几天开始我们就面临一个问题。有时CPU使用率很高，无法找到原因。我们已经检查了代码并在VM中运行它，没有显示任何错误，仅在使用docker时发生。

Dockerfile

FROM php:5.6-apache

RUN apt-get update

RUN apt-get -y --no-install-recommends  install zlib1g-dev
RUN apt-get -y --no-install-recommends  install libxml2-dev

RUN /usr/local/bin/docker-php-ext-install mysqli pdo pdo_mysql zip xmlwriter

RUN apt-get -y --no-install-recommends install libssl-dev

RUN /usr/local/bin/docker-php-ext-install zip

# Install mcrypt
RUN apt-get install -y libmcrypt-dev
RUN docker-php-ext-install mcrypt




# Install GD
RUN apt-get install -y libfreetype6-dev libjpeg62-turbo-dev libpng-dev
RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/
RUN docker-php-ext-install gd

# Install XSL
RUN apt-get install -y libxslt-dev
RUN docker-php-ext-install xsl

# Install intl
RUN apt-get install -y libicu-dev
RUN pecl install intl
RUN docker-php-ext-install intl

# Install Mysql
RUN docker-php-ext-install mysql

# ffmpeg

#RUN apt-get install -y software-properties-common
#RUN add-apt-repository ppa:mc3man/trusty-media
#RUN apt-get update
RUN apt-get install -y ffmpeg



RUN apt-get install -y sendmail

RUN apt-get -y install ghostscript



COPY ./php.ini /usr/local/etc/php/

RUN { \
        echo 'ServerTokens ProductOnly'; \
        echo 'ServerSignature Off'; \
    } >> /etc/apache2/apache2.conf

RUN service apache2  restart


COPY src/ /var/www/html/



RUN a2enmod rewrite
RUN usermod -u 1000 www-data
RUN usermod -G staff www-data