public function testMemcachedArray()
{
if (!class_exists('\\Memcached')) {
$this->markTestSkipped("extension not loaded");
}
$this->_connection = new \Memcached();
$this->_connection->addServer("localhost", 11211);
$factory = new Factory();
$cb = $factory->getMemcachedInstance($this->_connection, 3, 1);
$this->assertTrue($cb instanceof CircuitBreakerInterface);
// service with multiple failures
$this->assertTrue($cb->isAvailable("serviceOne"));
$cb->reportFailure("serviceOne");
$cb->reportFailure("serviceOne");
$cb->reportFailure("serviceOne");
$cb->reportFailure("serviceOne");
$this->assertFalse($cb->isAvailable("serviceOne"));
// ervice seen first time = ok
$this->assertTrue($cb->isAvailable("serviceUnknown"));
// service with one failure is ok
$cb->reportSuccess("serviceTwo");
$this->assertTrue($cb->isAvailable("serviceTwo"));
// service with successes is ok
$cb->reportFailure("serviceFour");
$cb->reportFailure("serviceFour");
$cb->reportFailure("serviceFour");
$cb->reportFailure("serviceFour");
$cb->reportSuccess("serviceFour");
$cb->reportSuccess("serviceFour");
$this->assertTrue($cb->isAvailable("serviceFour"));
}
<?php
/**
* Simple script calling circuit breaker thousands of times reporting success or error and checking statuses
*
* This can be used to see how circuit breaker can be instantinated and used easily, it also gives gauge
* of the approximate performance.
*
* Memcached to local memcached: ~0.0005s per check+report
*/
namespace Tests\Manual\Performance;
use Ejsmont\CircuitBreaker\Factory;
$callCount = 10000;
$connection = new \Memcached();
$connection->addServer("localhost", 11211);
$connection->delete("EjsmontCircuitBreakerCircuitBreakerStatsAggregatedStats");
$factory = new Factory();
$cb = $factory->getMemcachedInstance($connection, 30, 3600);
$start = microtime(true);
for ($i = 0; $i < $callCount; $i++) {
$serviceName = "someServiceName" . $i % 5;
$cb->isAvailable($serviceName);
if (mt_rand(1, 1000) > 700) {
$cb->reportSuccess($serviceName);
} else {
$cb->reportFailure($serviceName);
}
}
$stop = microtime(true);
print_r(array(sprintf("Total time for %d calls: %.4f", $callCount, $stop - $start), unserialize($connection->get("EjsmontCircuitBreakerCircuitBreakerStatsAggregatedStats"))));
/**
* Get breaker instance.
*/
private function getBreaker()
{
$breakerFactory = new Factory();
return $breakerFactory->getRedisInstance($this->getRedisInstance(), 1, 10);
}
<?php
/**
* Simple script calling circuit breaker thousands of times reporting success or error and checking statuses
*
* This can be used to see how circuit breaker can be instantinated and used easily, it also gives gauge
* of the approximate performance.
*
* APC backend: ~0.0001s per check+report
*/
namespace Tests\Manual\Performance;
use Ejsmont\CircuitBreaker\Factory;
require dirname(__FILE__) . '/../../SplClassLoader.php';
$callCount = 10000;
$autoLoader = new \SplClassLoader('Ejsmont', dirname(__FILE__) . '/../../../src');
$autoLoader->register();
$factory = new Factory();
$cb = $factory->getSingleApcInstance(30, 3600);
$start = microtime(true);
for ($i = 0; $i < $callCount; $i++) {
$serviceName = "someServiceName" . $i % 5;
$cb->isAvailable($serviceName);
if (mt_rand(1, 1000) > 700) {
$cb->reportSuccess($serviceName);
} else {
$cb->reportFailure($serviceName);
}
}
$stop = microtime(true);
print_r(array(sprintf("Total time for %d calls: %.4f", $callCount, $stop - $start), unserialize(apc_fetch("EjsmontCircuitBreakerCircuitBreakerStatsAggregatedStats"))));