From c6286c03841e9f3fa5f2040392e1c1521a89f0f6 Mon Sep 17 00:00:00 2001
From: "Ruben S. Montero" <rsmontero@opennebula.org>
Date: Wed, 28 Jun 2017 19:50:55 +0200
Subject: [PATCH] F #4809: Safer purge function for RAFT log

---
 src/sql/LogDB.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sql/LogDB.cc b/src/sql/LogDB.cc
index 7fb34fb608..99895f09c9 100644
--- a/src/sql/LogDB.cc
+++ b/src/sql/LogDB.cc
@@ -531,7 +531,7 @@ int LogDB::purge_log()
         return 0;
     }
 
-    unsigned int delete_index = last_index - log_retention;
+    unsigned int delete_index = last_applied - log_retention;
 
     // keep the last "log_retention" records as well as those not applied to DB
     oss << "DELETE FROM logdb WHERE timestamp > 0 AND log_index >= 0 "