diff --git a/src/lint/linter/ArcanistExternalLinter.php b/src/lint/linter/ArcanistExternalLinter.php
--- a/src/lint/linter/ArcanistExternalLinter.php
+++ b/src/lint/linter/ArcanistExternalLinter.php
@@ -10,6 +10,7 @@
  */
 abstract class ArcanistExternalLinter extends ArcanistFutureLinter {
 
+  private $batchSize;
   private $bin;
   private $interpreter;
   private $flags;
@@ -54,6 +55,16 @@
   }
 
   /**
+   * Documentation goes here.
+   *
+   * @return bool
+   * @task bin
+   */
+  protected function supportsBatchMode() {
+    return true;
+  }
+
+  /**
    * Return true to continue when the external linter exits with an error code.
    * By default, linters which exit with an error code are assumed to have
    * failed. However, some linters exit with a specific code to indicate that
@@ -197,6 +208,26 @@
     return $this;
   }
 
+  final public function getBatchSize() {
+    if (!$this->supportsBatchMode()) {
+      return 1;
+    }
+
+    return coalesce($this->batchSize, 1);
+  }
+
+  /**
+   * Documentation goes here.
+   *
+   * @param int
+   * @return this
+   * @task bin
+   */
+  final public function setBatchSize($batch_size) {
+    $this->batchSize = $batch_size;
+    return $this;
+  }
+
 
 /* -(  Parsing Linter Output  )---------------------------------------------- */
 
@@ -416,13 +447,16 @@
     $bin = csprintf('%C %Ls', $executable, $this->getCommandFlags());
 
     $futures = array();
-    foreach ($paths as $path) {
-      $disk_path = $this->getEngine()->getFilePathOnDisk($path);
-      $path_argument = $this->getPathArgumentForLinterFuture($disk_path);
-      $future = new ExecFuture('%C %C', $bin, $path_argument);
+    foreach (array_chunk($paths, $this->getBatchSize()) as $chunk_paths) {
+      $path_arguments = array();
 
+      foreach ($chunk_paths as $path) {
+        $path_arguments[] = $this->getEngine()->getFilePathOnDisk($path);
+      }
+
+      $future = new ExecFuture('%C %Ls', $bin, $path_arguments);
       $future->setCWD($this->getProjectRoot());
-      $futures[$path] = $future;
+      $futures[] = $future;
     }
 
     return $futures;
@@ -497,11 +531,22 @@
       );
     }
 
+    if ($this->supportsBatchMode()) {
+      $options['batch-size'] = array(
+        'type' => 'optional int',
+        'help' => pht('Documentation goes here.'),
+      );
+    }
+
     return $options + parent::getLinterConfigurationOptions();
   }
 
   public function setLinterConfigurationValue($key, $value) {
     switch ($key) {
+      case 'batch-size':
+        $this->setBatchSize($value);
+        return;
+
       case 'interpreter':
         $root = $this->getProjectRoot();