Update index.ts

Author: talyguryn

workers/grouper/src/index.ts

@@ -53,6 +53,11 @@ const DB_DUPLICATE_KEY_ERROR = '11000';
  */
 const MAX_CODE_LINE_LENGTH = 140;
 
+/**
+ * Delay in milliseconds to wait for duplicate key event to be persisted to database
+ */
+const DUPLICATE_KEY_RETRY_DELAY_MS = 10;
+
 /**
  * Worker for handling Javascript events
  */
@@ -239,7 +244,7 @@ export default class GrouperWorker extends Worker {
            * Fetch the event that was just inserted by the competing worker
            * Add small delay to ensure the event is persisted
            */
-          await new Promise(resolve => setTimeout(resolve, 10));
+          await new Promise(resolve => setTimeout(resolve, DUPLICATE_KEY_RETRY_DELAY_MS));
 
           existedEvent = await this.getEvent(task.projectId, uniqueEventHash);