diff --git a/src/IStorage.h b/src/IStorage.h
index ad956beb6..e53078fdb 100644
--- a/src/IStorage.h
+++ b/src/IStorage.h
@@ -33,10 +33,11 @@ class IStorage
     virtual bool enumerate(callback fn) const = 0;
     virtual size_t count() const = 0;
 
-    virtual void bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, size_t celem) {
+    virtual void bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, char *rgfOverwrite, size_t celem) {
         beginWriteBatch();
         for (size_t ielem = 0; ielem < celem; ++ielem) {
-            insert(rgkeys[ielem], rgcbkeys[ielem], rgvals[ielem], rgcbvals[ielem], false);
+            bool fOverwrite = (rgfOverwrite != nullptr) ? rgfOverwrite[ielem] : false;
+            insert(rgkeys[ielem], rgcbkeys[ielem], rgvals[ielem], rgcbvals[ielem], fOverwrite);
         }
         endWriteBatch();
     }
diff --git a/src/StorageCache.cpp b/src/StorageCache.cpp
index 9b89023aa..9c1dab937 100644
--- a/src/StorageCache.cpp
+++ b/src/StorageCache.cpp
@@ -114,13 +114,14 @@ void StorageCache::insert(sds key, const void *data, size_t cbdata, bool fOverwr
 }
 
 long _dictKeyIndex(dict *d, const void *key, uint64_t hash, dictEntry **existing);
-void StorageCache::bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, size_t celem)
+void StorageCache::bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, char *rgfOverwrite, size_t celem)
 {
     std::vector<dictEntry*> vechashes;
     if (m_pdict != nullptr) {
         vechashes.reserve(celem);
 
         for (size_t ielem = 0; ielem < celem; ++ielem) {
+            if (rgfOverwrite != nullptr && rgfOverwrite[ielem]) continue;
             dictEntry *de = (dictEntry*)zmalloc(sizeof(dictEntry));
             de->key = (void*)dictGenHashFunction(rgkeys[ielem], (int)rgcbkeys[ielem]);
             de->v.u64 = 1;
@@ -152,7 +153,7 @@ void StorageCache::bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, si
     }
     ul.unlock();
 
-    m_spstorage->bulkInsert(rgkeys, rgcbkeys, rgvals, rgcbvals, celem);
+    m_spstorage->bulkInsert(rgkeys, rgcbkeys, rgvals, rgcbvals, rgfOverwrite, celem);
 
     bulkInsertsInProgress--;
 }
diff --git a/src/StorageCache.h b/src/StorageCache.h
index 3c38450fb..6682e969c 100644
--- a/src/StorageCache.h
+++ b/src/StorageCache.h
@@ -41,7 +41,7 @@ class StorageCache
     void clear(void(callback)(void*));
     void clearAsync();
     void insert(sds key, const void *data, size_t cbdata, bool fOverwrite);
-    void bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, size_t celem);
+    void bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, char *rgfOverwrite, size_t celem);
     void retrieve(sds key, IStorage::callbackSingle fn) const;
     bool erase(sds key);
     void emergencyFreeCache();
diff --git a/src/db.cpp b/src/db.cpp
index 21d00ad10..c5c69c24c 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -2908,15 +2908,13 @@ void redisDbPersistentData::storeDatabase()
     dictReleaseIterator(di);
 }
 
-/* static */ void redisDbPersistentData::serializeAndStoreChange(StorageCache *storage, redisDbPersistentData *db, const char *key, bool fUpdate)
+/* static */ sds redisDbPersistentData::serializeChange(redisDbPersistentData *db, const char *key)
 {
     auto itr = db->find_cached_threadsafe(key);
     if (itr == nullptr)
-        return;
+        return nullptr;
     robj *o = itr.val();
-    sds temp = serializeStoredObjectAndExpire(db, (const char*) itr.key(), o);
-    storage->insert((sds)key, temp, sdslen(temp), fUpdate);
-    sdsfree(temp);
+    return serializeStoredObjectAndExpire(db, (const char*) itr.key(), o);
 }
 
 bool redisDbPersistentData::processChanges(bool fSnapshot)
@@ -2959,10 +2957,30 @@ bool redisDbPersistentData::processChanges(bool fSnapshot)
             {
                 dictIterator *di = dictGetIterator(m_dictChanged);
                 dictEntry *de;
+                std::vector<char*> veckeys;
+                std::vector<size_t> veccbkeys;
+                std::vector<char*> vecvals;
+                std::vector<size_t> veccbvals;
+                std::vector<char> vecoverwrite;
+                veckeys.reserve(dictSize(m_dictChanged));
+                veccbkeys.reserve(dictSize(m_dictChanged));
+                vecvals.reserve(dictSize(m_dictChanged));
+                veccbvals.reserve(dictSize(m_dictChanged));
+                vecoverwrite.reserve(dictSize(m_dictChanged));
                 while ((de = dictNext(di)) != nullptr)
                 {
-                    serializeAndStoreChange(m_spstorage.get(), this, (const char*)dictGetKey(de), (bool)dictGetVal(de));
+                    sds val = serializeChange(this, (const char*)dictGetKey(de));
+                    if (val != nullptr) {
+                        veckeys.push_back((char*)dictGetKey(de));
+                        veccbkeys.push_back(sdslen((sds)dictGetKey(de)));
+                        vecvals.push_back(val);
+                        veccbvals.push_back(sdslen(val));
+                        vecoverwrite.push_back((bool)dictGetVal(de));
+                    }
                 }
+                m_spstorage->bulkInsert(veckeys.data(), veccbkeys.data(), vecvals.data(), veccbvals.data(), vecoverwrite.data(), veckeys.size());
+                for (auto val : vecvals)
+                    sdsfree(val);
                 dictReleaseIterator(di);
             }
         }
@@ -2996,7 +3014,7 @@ void redisDbPersistentData::processChangesAsync(std::atomic<int> &pendingJobs)
             vecvals.push_back(temp);
             veccbvals.push_back(sdslen(temp));
         }
-        m_spstorage->bulkInsert(veckeys.data(), veccbkeys.data(), vecvals.data(), veccbvals.data(), veckeys.size());
+        m_spstorage->bulkInsert(veckeys.data(), veccbkeys.data(), vecvals.data(), veccbvals.data(), nullptr, veckeys.size());
         for (auto val : vecvals)
             sdsfree(val);
         dictReleaseIterator(di);
@@ -3015,7 +3033,7 @@ void redisDbPersistentData::bulkDirectStorageInsert(char **rgKeys, size_t *rgcbK
         }
         aeReleaseLock();
     }
-    m_spstorage->bulkInsert(rgKeys, rgcbKeys, rgVals, rgcbVals, celem);
+    m_spstorage->bulkInsert(rgKeys, rgcbKeys, rgVals, rgcbVals, nullptr, celem);
 }
 
 void redisDbPersistentData::commitChanges(const redisDbPersistentDataSnapshot **psnapshotFree)
@@ -3024,10 +3042,30 @@ void redisDbPersistentData::commitChanges(const redisDbPersistentDataSnapshot **
     {
         dictIterator *di = dictGetIterator(m_dictChangedStorageFlush);
         dictEntry *de;
+        std::vector<char*> veckeys;
+        std::vector<size_t> veccbkeys;
+        std::vector<char*> vecvals;
+        std::vector<size_t> veccbvals;
+        std::vector<char> vecoverwrite;
+        veckeys.reserve(dictSize(m_dictChanged));
+        veccbkeys.reserve(dictSize(m_dictChanged));
+        vecvals.reserve(dictSize(m_dictChanged));
+        veccbvals.reserve(dictSize(m_dictChanged));
+        vecoverwrite.resize(dictSize(m_dictChanged));
         while ((de = dictNext(di)) != nullptr)
         {
-            serializeAndStoreChange(m_spstorage.get(), (redisDbPersistentData*)m_pdbSnapshotStorageFlush, (const char*)dictGetKey(de), (bool)dictGetVal(de));
+            sds val = serializeChange((redisDbPersistentData*)m_pdbSnapshotStorageFlush, (const char*)dictGetKey(de));
+            if (val != nullptr) {
+                veckeys.push_back((char*)dictGetKey(de));
+                veccbkeys.push_back(sdslen((sds)dictGetKey(de)));
+                vecvals.push_back(val);
+                veccbvals.push_back(sdslen(val));
+                vecoverwrite.push_back((bool)dictGetVal(de));
+            }
         }
+        m_spstorage->bulkInsert(veckeys.data(), veccbkeys.data(), vecvals.data(), veccbvals.data(), vecoverwrite.data(), veckeys.size());
+        for (auto val : vecvals)
+            sdsfree(val);
         dictReleaseIterator(di);
         dictRelease(m_dictChangedStorageFlush);
         m_dictChangedStorageFlush = nullptr;
diff --git a/src/server.h b/src/server.h
index eb54f608c..fb6c0c027 100644
--- a/src/server.h
+++ b/src/server.h
@@ -1217,7 +1217,7 @@ class redisDbPersistentData
     uint64_t m_mvccCheckpoint = 0;
 
 private:
-    static void serializeAndStoreChange(StorageCache *storage, redisDbPersistentData *db, const char *key, bool fUpdate);
+    static sds serializeChange(redisDbPersistentData *db, const char *key);
 
     void ensure(const char *key);
     void ensure(const char *key, dictEntry **de);
diff --git a/src/storage/rocksdb.cpp b/src/storage/rocksdb.cpp
index e592c74c5..230825eb7 100644
--- a/src/storage/rocksdb.cpp
+++ b/src/storage/rocksdb.cpp
@@ -43,8 +43,9 @@ void RocksDBStorageProvider::insert(const char *key, size_t cchKey, void *data,
         ++m_count;
 }
 
-void RocksDBStorageProvider::bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, size_t celem)
+void RocksDBStorageProvider::bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, char *rgfOverwrite, size_t celem)
 {
+    size_t coverwrites = 0;
     if (celem >= 16384) {
         rocksdb::Options options = DefaultRocksDBOptions();
         rocksdb::SstFileWriter sst_file_writer(rocksdb::EnvOptions(), options, options.comparator);
@@ -92,8 +93,15 @@ void RocksDBStorageProvider::bulkInsert(char **rgkeys, size_t *rgcbkeys, char **
         m_spdb->Write(WriteOptions(), spbatch.get());
     }
 
+    if (rgfOverwrite != nullptr) {
+        for (size_t ielem = 0; ielem < celem; ++ielem) {
+            if (rgfOverwrite[ielem])
+                ++coverwrites;
+        }
+    }
+
     std::unique_lock<fastlock> l(m_lock);
-    m_count += celem;
+    m_count += celem - coverwrites;
 }
 
 bool RocksDBStorageProvider::erase(const char *key, size_t cchKey)
diff --git a/src/storage/rocksdb.h b/src/storage/rocksdb.h
index 10c54606c..f0c20dee8 100644
--- a/src/storage/rocksdb.h
+++ b/src/storage/rocksdb.h
@@ -38,7 +38,7 @@ class RocksDBStorageProvider : public IStorage
     virtual void beginWriteBatch() override;
     virtual void endWriteBatch() override;
 
-    virtual void bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, size_t celem) override;
+    virtual void bulkInsert(char **rgkeys, size_t *rgcbkeys, char **rgvals, size_t *rgcbvals, char *rgfOverwrite, size_t celem) override;
 
     virtual void batch_lock() override;
     virtual void batch_unlock() override;