protected function MigrateExecutable::memoryExceeded in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/migrate/src/MigrateExecutable.php \Drupal\migrate\MigrateExecutable::memoryExceeded()
2. 10 core/modules/migrate/src/MigrateExecutable.php \Drupal\migrate\MigrateExecutable::memoryExceeded()

Tests whether we've exceeded the desired memory threshold.

If so, output a message.

Return value

bool TRUE if the threshold is exceeded, otherwise FALSE.

2 calls to MigrateExecutable::memoryExceeded()

MigrateExecutable::checkStatus in core/modules/migrate/src/MigrateExecutable.php

Checks for exceptional conditions, and display feedback.

TestMigrateExecutable::memoryExceeded in core/modules/migrate/tests/src/Unit/TestMigrateExecutable.php

Allows access to the protected memoryExceeded method.

1 method overrides MigrateExecutable::memoryExceeded()

TestMigrateExecutable::memoryExceeded in core/modules/migrate/tests/src/Unit/TestMigrateExecutable.php

Allows access to the protected memoryExceeded method.

File

core/modules/migrate/src/MigrateExecutable.php, line 479

Class

MigrateExecutable

Defines a migrate executable class.

Namespace

Drupal\migrate

Code

protected function memoryExceeded() {
  $usage = $this
    ->getMemoryUsage();
  $pct_memory = $usage / $this->memoryLimit;
  if (!($threshold = $this->memoryThreshold)) {
    return FALSE;
  }
  if ($pct_memory > $threshold) {
    $this->message
      ->display($this
      ->t('Memory usage is @usage (@pct% of limit @limit), reclaiming memory.', [
      '@pct' => round($pct_memory * 100),
      '@usage' => $this
        ->formatSize($usage),
      '@limit' => $this
        ->formatSize($this->memoryLimit),
    ]), 'warning');
    $usage = $this
      ->attemptMemoryReclaim();
    $pct_memory = $usage / $this->memoryLimit;

    // Use a lower threshold - we don't want to be in a situation where we keep
    // coming back here and trimming a tiny amount
    if ($pct_memory > 0.9 * $threshold) {
      $this->message
        ->display($this
        ->t('Memory usage is now @usage (@pct% of limit @limit), not enough reclaimed, starting new batch', [
        '@pct' => round($pct_memory * 100),
        '@usage' => $this
          ->formatSize($usage),
        '@limit' => $this
          ->formatSize($this->memoryLimit),
      ]), 'warning');
      return TRUE;
    }
    else {
      $this->message
        ->display($this
        ->t('Memory usage is now @usage (@pct% of limit @limit), reclaimed enough, continuing', [
        '@pct' => round($pct_memory * 100),
        '@usage' => $this
          ->formatSize($usage),
        '@limit' => $this
          ->formatSize($this->memoryLimit),
      ]), 'warning');
      return FALSE;
    }
  }
  else {
    return FALSE;
  }
}