public function testKeyHashing()
{
$this->tearDown();
$this->cluster = new Credis_Cluster(array_slice($this->config, 0, 3), 2, $this->useStandalone);
$keys = array();
$lines = explode("\n", file_get_contents("keys.test"));
foreach ($lines as $line) {
$pair = explode(':', trim($line));
if (count($pair) >= 2) {
$keys[$pair[0]] = $pair[1];
}
}
foreach ($keys as $key => $value) {
$this->assertTrue($this->cluster->set($key, $value));
}
$this->cluster = new Credis_Cluster(array_slice($this->config, 0, 4), 2, true, $this->useStandalone);
$hits = 0;
foreach ($keys as $key => $value) {
if ($this->cluster->all('get', $key)) {
$hits++;
}
}
$this->assertEquals(count($keys), $hits);
}
$keys = array();
$lines = explode("\n", file_get_contents("keys.test"));
foreach ($lines as $line) {
$pair = explode(':', trim($line));
if (count($pair) >= 2) {
$keys[$pair[0]] = $pair[1];
}
}
printf("Setting %d keys\n", count($keys));
$cluster->all('flushDb');
foreach ($keys as $key => $value) {
$cluster->set($key, $value);
}
/* Now use a 4th server, and get the key sharding */
echo "Adding a new server to the cluster\n";
$cluster = new Credis_Cluster(array(array('host' => '127.0.0.1', 'port' => 6379), array('host' => '127.0.0.1', 'port' => 6380), array('host' => '127.0.0.1', 'port' => 6381), array('host' => '127.0.0.1', 'port' => 6382)), $replicas);
/* Try to reset all the keys, and keep track of shards */
$hits = 0;
foreach ($keys as $key => $value) {
if ($cluster->get($key)) {
$hits++;
}
}
foreach ($cluster->all('info') as $info) {
if (isset($info['db0'])) {
echo "{$info['db0']}\n";
}
}
/* End tests and print results */
printf("%d key hits (%f%% efficiency)\n", $hits, $hits / count($keys) * 100);
printf("Tests completed in %f seconds\n", microtime(true) - $start_time);