Throttle to update host names from member-change events

droonga · Nov 5, 2014 · c9b9b77 · c9b9b77
1 parent 7efaed3
commit c9b9b77
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/lib/droonga-protocol/connection-pool.js b/lib/droonga-protocol/connection-pool.js
@@ -196,7 +196,14 @@ ConnectionPool.prototype = {
         this._logger.error('Failed to start watching of changes in the cluster.');
         this._logger.error(error);
       });
-    this._serf.on('member-change', this.updateHostNamesFromCluster.bind(this));
+    this._serf.on('member-change', (function() {
+      if (this._updateHostNamesTimer)
+        return;
+      this._updateHostNamesTimer = setTimeout((function() {
+        this._updateHostNamesTimer = null;
+        this.updateHostNamesFromCluster();
+      }).bind(this), 500);
+    }).bind(this));
     this._watching = true;
   },