public function testGetRates()
{
$stats = new Stats();
$this->assertEquals(0, $stats->getRequestRate());
$this->assertEquals(0, $stats->getHitRate());
$this->assertEquals(0, $stats->getMissRate());
$stats->setUptime(200);
$stats->setGetHits(120);
$stats->setGetMisses(240);
$this->assertEquals(1.8, $stats->getRequestRate());
$this->assertEquals(0.6, $stats->getHitRate());
$this->assertEquals(1.2, $stats->getMissRate());
}
/**
* @return Stats
*/
public function getStats()
{
//if no stats available for the nodes, return
if ($clusterStats = $this->getClient()->getStats()) {
$stats = new Stats();
$nodeCount = count($clusterStats);
if ($nodeCount > 0) {
foreach ($clusterStats as $node => $nodeStatistics) {
if (!isset($nodeStatistics['version'])) {
continue;
}
if ($nodeStatistics['pid'] > 0) {
$stats->incrementActiveNodes();
}
if ($nodeCount == 1) {
$stats->setPid($nodeStatistics['pid']);
$stats->setUptime($nodeStatistics['uptime']);
$stats->setThreads($nodeStatistics['threads']);
$stats->setPointerSize($nodeStatistics['pointer_size']);
$stats->setVersion($nodeStatistics['version']);
}
$stats->setCurrItems($stats->getCurrItems() + $nodeStatistics['curr_items']);
$stats->setTotalItems($stats->getTotalItems() + $nodeStatistics['total_items']);
$stats->setLimitMaxbytes($stats->getLimitMaxbytes() + $nodeStatistics['limit_maxbytes']);
$stats->setCurrConnections($stats->getCurrConnections() + $nodeStatistics['curr_connections']);
$stats->setTotalConnections($stats->getTotalConnections() + $nodeStatistics['total_connections']);
$stats->setConnectionStructures($stats->getConnectionStructures() + $nodeStatistics['connection_structures']);
$stats->setBytes($stats->getBytes() + $nodeStatistics['bytes']);
$stats->setCmdGet($stats->getCmdGet() + $nodeStatistics['cmd_get']);
$stats->setCmdSet($stats->getCmdSet() + $nodeStatistics['cmd_set']);
$stats->setGetHits($stats->getGetHits() + $nodeStatistics['get_hits']);
$stats->setGetMisses($stats->getGetMisses() + $nodeStatistics['get_misses']);
$stats->setEvictions($stats->getEvictions() + $nodeStatistics['evictions']);
$stats->setBytesRead($stats->getBytesRead() + $nodeStatistics['bytes_read']);
$stats->setBytesWritten($stats->getBytesWritten() + $nodeStatistics['bytes_written']);
}
}
return $stats;
}
return null;
}