From 402ed9a99dc782701a73329df67532a702bbfcda Mon Sep 17 00:00:00 2001
From: Jan <jsteemann@users.noreply.github.com>
Date: Fri, 5 Jan 2018 14:56:52 +0100
Subject: [PATCH] ensure proper shutdown of throttle (#4233)

---
 arangod/RocksDBEngine/RocksDBEngine.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arangod/RocksDBEngine/RocksDBEngine.cpp b/arangod/RocksDBEngine/RocksDBEngine.cpp
index 75ed68ad09..159a6ed0f1 100644
--- a/arangod/RocksDBEngine/RocksDBEngine.cpp
+++ b/arangod/RocksDBEngine/RocksDBEngine.cpp
@@ -607,6 +607,13 @@ void RocksDBEngine::unprepare() {
   }
 
   if (_db) {
+    // turn off RocksDBThrottle, and release our pointers to it
+    if (nullptr != _listener.get()) {
+      _listener->StopThread();
+      _listener.reset();
+      _options.listeners.clear();
+    } // if
+
     for (rocksdb::ColumnFamilyHandle* h : RocksDBColumnFamily::_allHandles) {
       _db->DestroyColumnFamilyHandle(h);
     }