From f079b4fe5d4e57badf663ed63cdd1be3c0005a64 Mon Sep 17 00:00:00 2001
From: jsteemann <jan@arangodb.com>
Date: Thu, 6 Dec 2018 18:09:24 +0100
Subject: [PATCH] updated CHANGELOG

---
 CHANGELOG | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index af5399df07..66e40338e6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,17 @@
 v3.4.1 (XXXX-XX-XX)
 -------------------
 
+* make AQL REMOVE operations use less memory with the RocksDB storage engine
+
+  the previous implementation of batch removals read everything to remove into
+  memory first before carrying out the first remove operation. The new version
+  will only read in about 1000 documents each time and then remove these. Queries
+  such as
+
+      FOR doc IN collection FILTER ... REMOVE doc IN collection
+
+  will benefit from this change in terms of memory usage.
+
 * make `--help-all` now also show all hidden program options
 
   Previously hidden program options were only returned when invoking arangod or