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Removed "poolSize" option from RedisConnectionPool.

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* The size is now automatically based on the number of servers.

Change-Id: I6ea53378c9c8254e8556c0a1e4efe64fd71ba356
This commit is contained in:
Aaron Schulz 2013-03-06 22:45:59 -08:00 committed by Gerrit Code Review
parent 5cfcb3053d
commit 646051d36d
1 changed files with 6 additions and 18 deletions
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24
includes/clientpool/RedisConnectionPool.php
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@ -40,7 +40,6 @@ class RedisConnectionPool {
protected $connectTimeout; // string; connection timeout
protected $persistent; // bool; whether connections persist
protected $password; // string; plaintext auth password
protected $poolSize; // integer; maximum number of idle connections
protected $serializer; // integer; the serializer to use (Redis::SERIALIZER_*)
protected $idlePoolSize = 0; // integer; current idle pool size
@ -61,7 +60,6 @@ class RedisConnectionPool {
* Optional, default is 1 second.
* - persistent : Set this to true to allow connections to persist across
* multiple web requests. False by default.
* - poolSize : Maximim number of idle connections. Default is 5.
* - password : The authentication password, will be sent to Redis in clear text.
* Optional, if it is unspecified, no AUTH command will be sent.
* - serializer : Set to "php" or "igbinary". Default is "php".
@ -75,7 +73,6 @@ class RedisConnectionPool {
$this->connectTimeout = $options['connectTimeout'];
$this->persistent = $options['persistent'];
$this->password = $options['password'];
$this->poolSize = $options['poolSize'];
if ( !isset( $options['serializer'] ) || $options['serializer'] === 'php' ) {
$this->serializer = Redis::SERIALIZER_PHP;
} elseif ( $options['serializer'] === 'igbinary' ) {
@ -99,9 +96,6 @@ class RedisConnectionPool {
if ( !isset( $options['password'] ) ) {
$options['password'] = '';
}
if ( !isset( $options['poolSize'] ) ) {
$options['poolSize'] = 1;
}
return $options;
}
@ -112,19 +106,13 @@ class RedisConnectionPool {
public static function singleton( array $options ) {
$options = self::applyDefaultConfig( $options );
// Map the options to a unique hash...
$poolOptions = $options;
unset( $poolOptions['poolSize'] ); // avoid pool fragmentation
ksort( $poolOptions ); // normalize to avoid pool fragmentation
$id = sha1( serialize( $poolOptions ) );
ksort( $options ); // normalize to avoid pool fragmentation
$id = sha1( serialize( $options ) );
// Initialize the object at the hash as needed...
if ( !isset( self::$instances[$id] ) ) {
self::$instances[$id] = new self( $options );
wfDebug( "Creating a new " . __CLASS__ . " instance with id $id." );
}
// Simply grow the pool size if the existing one is too small
$psize = $options['poolSize']; // size requested
self::$instances[$id]->poolSize = max( $psize, self::$instances[$id]->poolSize );
return self::$instances[$id];
}
@ -244,16 +232,16 @@ class RedisConnectionPool {
* @return void
*/
protected function closeExcessIdleConections() {
if ( $this->idlePoolSize <= $this->poolSize ) {
return; // nothing to do
if ( $this->idlePoolSize <= count( $this->connections ) ) {
return; // nothing to do (no more connections than servers)
}
foreach ( $this->connections as $server => &$serverConnections ) {
foreach ( $serverConnections as $key => &$connection ) {
if ( $connection['free'] ) {
unset( $serverConnections[$key] );
if ( --$this->idlePoolSize <= $this->poolSize ) {
return; // done
if ( --$this->idlePoolSize <= count( $this->connections ) ) {
return; // done (no more connections than servers)
}
}
}