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php7 + pthreadsインストールメモ

Posted at

今まではremiのphp7を使っていたのだけど、データ解析用のphpが遅いのでpthreadsで並列化することに。

wget http://jp2.php.net/get/php-7.0.9.tar.bz2/from/this/mirror
php-7.0.9.tar.bz2にリネームして解凍
wget http://pecl.php.net/get/pthreads-3.1.6.tgz
解凍してphp-7.0.9/ext/pthreadsに移動

php-7.0.9ディレクトリで
./buildconf --force
./configure --enable-debug --enable-maintainer-zts --enable-pthreads --enable-mbstring --prefix=/usr --with-config-file-path=/etc

configure: error: xml2-config not found. Please check your libxml2 installation.
sudo yum install libxml2
sudo yum install libxml2-devel

make
sudo make install

sudo cp php-development.ini /etc/php.ini
Include_path = " /usr/lib/php/"
を追加記載

これで、通常のWeb等で使うPHPは
/opt/remi/php70/root/usr/bin/php
マルチスレッドで使いたい時は
/usr/bin/php
で使い分けれるようになる。

実際の並列効果は・・・
VCPUが8コアなのでPool(8)でやっているがCPU使用率が70%くらいで留まっている。
6時間位かかっている処理が1時間くらいで済むようになると嬉しいのだが・・・

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