diff --git a/src/store.rs b/src/store.rs
index 1fb9fb3b5..98aeeb7c8 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -43,6 +43,7 @@ impl DBStore {
         let mut db_opts = rocksdb::Options::default();
         db_opts.create_if_missing(true);
         // db_opts.set_keep_log_file_num(10);
+        db_opts.set_max_open_files(2048);
         db_opts.set_compaction_readahead_size(2 << 20);
         db_opts.set_compaction_style(rocksdb::DBCompactionStyle::Level);
         db_opts.set_compression_type(rocksdb::DBCompressionType::Snappy);