diff --git a/cpp/src/db/DBImpl.cpp b/cpp/src/db/DBImpl.cpp
index dd56f797558cc111e2d8e68b398d229c9e177ed0..8ff2562a72540a46c393a7a67af56ed7e89790e5 100644
--- a/cpp/src/db/DBImpl.cpp
+++ b/cpp/src/db/DBImpl.cpp
@@ -482,7 +482,7 @@ void DBImpl::BackgroundCompaction(std::set<std::string> table_ids) {
 
     meta_ptr_->Archive();
 
-    int ttl = 1;
+    int ttl = 5*meta::M_SEC;//default: file will be deleted after 5 minutes
     if (options_.mode == Options::MODE::CLUSTER) {
         ttl = meta::D_SEC;
     }