PHP Installation Memcache Extensions

1, first download memcached server

wget http://www.memcached.org/files/memcached-1.4.20.tar.gz

Yum-y Install Libevent

Yum-y Install Libevent-devel

./configure && make && make install

Test:

Telnet 127.0.0.1 11211

Trying 127.0.0.1 ...

Connected to 127.0.0.1.

Escape character is ' ^] '.

That's a success.

Start/End

Memcached-d-M 10-u root-l 172.25.43.71-p 11200-c 256-p/tmp/memcached.pid

The-D option is to start a daemon,

-M is the amount of memory allocated to Memcache, in megabytes, 10MB

-U is the user running memcache, this is root

-L is the server IP address of the listener, if there are multiple addresses, this specifies the IP address of the server 192.168.0.122

-P is the port that sets Memcache listening, which is set to 12000, preferably more than 1024 ports

The-c option is the maximum number of concurrent connections, the default is 1024, where 256 is set according to the load on your server

-P is a PID file that is set to save Memcache

Kill ' Cat/tmp/memcached.pid '

2. Download PHP memcache

wget http://pecl.php.net/get/memcache-2.2.7.tgz

Tar zxvf memcache-2.2.7.tgz

CD memcache-2.2.7

/usr/local/php/bin/phpize//compile with Phpize

./configure--with-php-config=/usr/local/php/bin/php-config--enable-memcache

Make && make install

Put memcache.so in php.ini extension =/usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/memcache.so

3. Get all the keys in the Memcache

$oMem = new Memcache;

$host = ' 172.25.43.71 ';

$port = ' 11200 ';

$oMem->connect ($host, $port);

$items = $oMem->getextendedstats (' items ');

$items = $items ["$host: $port"] [' items '];

foreach ($items as $key = = $values) {

$number = $key;

$str = $oMem->getextendedstats ("Cachedump", $number, 0);

Var_dump ($STR);

$line = $str ["$host: $port"];

if (Is_array ($line) && count ($line) >0) {

foreach ($line as $key = = $value) {

echo $key. ' = ';

Print_r ($oMem->get ($key));

echo "\ r \ n";

}

}

}

PHP Installation Memcache Extensions