From 19c63cf06f17dd7509cac94e4e5780806a4f718f Mon Sep 17 00:00:00 2001
From: Roman Zeyde <me@romanzey.de>
Date: Sun, 24 Jun 2018 13:20:33 +0300
Subject: [PATCH] Limit max # of RockDB open files

---
 src/store.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/store.rs b/src/store.rs
index ee68603..3177b63 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -45,6 +45,7 @@ impl DBStore {
         db_opts.set_target_file_size_base(64 << 20);
         db_opts.set_write_buffer_size(64 << 20);
         db_opts.set_disable_auto_compactions(opts.bulk_import);
+        db_opts.set_max_open_files(1024); // default ulimit value
 
         let mut block_opts = rocksdb::BlockBasedOptions::default();
         block_opts.set_block_size(256 << 10);