diff --git a/arangod/VocBase/DatafileStatistics.cpp b/arangod/VocBase/DatafileStatistics.cpp
index eca9d54e61..acbfc1e8db 100644
--- a/arangod/VocBase/DatafileStatistics.cpp
+++ b/arangod/VocBase/DatafileStatistics.cpp
@@ -239,9 +239,9 @@ void DatafileStatistics::increaseDead(TRI_voc_fid_t fid, int64_t number, int64_t
   }
 
   auto& dst = (*it).second;
-  dst->numberDead++;
+  dst->numberDead += number;
   dst->sizeDead += size; 
-  dst->numberAlive--;
+  dst->numberAlive -= number;
   dst->sizeAlive -= size; 
 }
 
@@ -292,7 +292,6 @@ DatafileStatisticsContainer DatafileStatistics::get(TRI_voc_fid_t fid) {
 ////////////////////////////////////////////////////////////////////////////////
 
 DatafileStatisticsContainer DatafileStatistics::all() {
-  size_t count;
   DatafileStatisticsContainer result;
   {
     READ_LOCKER(_lock);
@@ -300,12 +299,8 @@ DatafileStatisticsContainer DatafileStatistics::all() {
     for (auto& it : _stats) {
       result.update(*(it.second));
     }
-
-    count = _stats.size();
   }
 
-  LOG_INFO("DEBUGGING FIGURES: NUMBER OF FILES MAPPED: %llu, UNCOLLECTED: %llu", (unsigned long long) count, (unsigned long long) result.numberUncollected);
-
   return result;
 }
 
diff --git a/arangod/VocBase/compactor.cpp b/arangod/VocBase/compactor.cpp
index 462a4db07f..3e41a14faf 100644
--- a/arangod/VocBase/compactor.cpp
+++ b/arangod/VocBase/compactor.cpp
@@ -1037,7 +1037,7 @@ static bool CompactifyDocumentCollection(TRI_document_collection_t* document) {
     DatafileStatisticsContainer dfi = document->_datafileStatistics.get(df->_fid);
     
     if (dfi.numberUncollected > 0) {
-      LOG_INFO("cannot compact file %llu because it still has uncollected entries", (unsigned long long) df->_fid);
+      LOG_TRACE("cannot compact file %llu because it still has uncollected entries", (unsigned long long) df->_fid);
       start = i + 1;
       break;
     }
@@ -1094,7 +1094,7 @@ static bool CompactifyDocumentCollection(TRI_document_collection_t* document) {
 
     TRI_ASSERT(reason != nullptr);
 
-    LOG_INFO(
+    LOG_TRACE(
         "found datafile eligible for compaction. fid: %llu, size: %llu, "
         "reason: %s, "
         "numberDead: %llu, numberAlive: %llu, numberDeletions: %llu, "