diff --git a/db/db_impl.cc b/db/db_impl.cc
index c2e853c885..72e85f9361 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -810,7 +810,7 @@ Status DBImpl::FinishCompactionOutputFile(CompactionState* compact,
   compact->builder = NULL;
 
   // Finish and check for file errors
-  if (s.ok()) {
+  if (s.ok() && !options_.disableDataSync) {
     s = compact->outfile->Sync();
   }
   if (s.ok()) {
diff --git a/include/leveldb/options.h b/include/leveldb/options.h
index 41c356ffbc..d0b5a4cf93 100644
--- a/include/leveldb/options.h
+++ b/include/leveldb/options.h
@@ -190,6 +190,14 @@ struct Options {
   // If non-null, then we should collect metrics about database operations
   Statistics* statistics;
 
+  // If true, then the contents of data files are not synced
+  // to stable storage. Their contents remain in the OS buffers till the
+  // OS decides to flush them. This option is good for bulk-loading
+  // of data. Once the bulk-loading is complete, please issue a
+  // sync to the OS to flush all dirty buffesrs to stable storage.
+  // Default: false
+  bool disableDataSync;
+
   // Create an Options object with default values for all fields.
   Options();
 };
diff --git a/util/options.cc b/util/options.cc
index 0ad742ce20..50ed00f9c0 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -34,7 +34,8 @@ Options::Options()
       expanded_compaction_factor(25),
       max_grandparent_overlap_factor(10),
       filter_policy(NULL),
-      statistics(NULL) {
+      statistics(NULL),
+      disableDataSync(false) {
 }
 
 }  // namespace leveldb