public function testBackoffDelay()
{
for ($i = 0; $i < 100; $i++) {
$this->assertLessThanOrEqual(16, Util::backoffDelay(1));
$this->assertLessThanOrEqual(256, Util::backoffDelay(5));
}
}
/**
* @param \Exception $e exception caught
* @param int $errors number of errors
* @param Maintenance $out
* @param string $messagePrefix
* @param string $description
*/
public function sleepOnRetry(\Exception $e, $errors, $messagePrefix, $description)
{
$type = get_class($e);
$seconds = Util::backoffDelay($errors);
$message = ElasticsearchIntermediary::extractMessage($e);
$this->outputIndented($messagePrefix . "Caught an error {$description}. " . "Backing off for {$seconds} and retrying. Error type is '{$type}' and message is: {$message}\n");
sleep($seconds);
}