From 4c1e6642ce9ad5b7df5ba9b02d6ee883d58a0d84 Mon Sep 17 00:00:00 2001
From: Matias Alejo Garcia <ematiu@gmail.com>
Date: Fri, 14 Feb 2014 19:20:25 -0300
Subject: [PATCH] add max open files

---
 lib/BlockDb.js       | 6 ++++--
 lib/TransactionDb.js | 5 +++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/lib/BlockDb.js b/lib/BlockDb.js
index b994054b..acc33bdb 100644
--- a/lib/BlockDb.js
+++ b/lib/BlockDb.js
@@ -13,13 +13,15 @@ function spec(b) {
   var TIP               = 'bti-';     // last block on the chain
   var LAST_FILE_INDEX   = 'file-';     // last processed file index
 
+  var MAX_OPEN_FILES    = 500;
+
 
   /**
   * Module dependencies.
   */
   var levelup     = require('levelup'),
       config      = require('../config/config');
-  var db  = b.db || levelup(config.leveldb + '/blocks');
+  var db  = b.db || levelup(config.leveldb + '/blocks',{maxOpenFiles: MAX_OPEN_FILES} );
   var Rpc = b.rpc || require('./Rpc').class();
 
   var BlockDb = function() {
@@ -35,7 +37,7 @@ function spec(b) {
     var path = config.leveldb + '/blocks';
     db.close(function() {
       require('leveldown').destroy(path, function () {
-        db = levelup(path);
+        db = levelup(path,{maxOpenFiles: MAX_OPEN_FILES} );
         return cb();
       });
     });
diff --git a/lib/TransactionDb.js b/lib/TransactionDb.js
index b9829ed1..6c1efcdb 100644
--- a/lib/TransactionDb.js
+++ b/lib/TransactionDb.js
@@ -23,6 +23,7 @@ function spec(b) {
   var genesisTXID = '4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b';
   var CONCURRENCY = 100;
 
+  var MAX_OPEN_FILES    = 500;
   /**
    * Module dependencies.
    */
@@ -32,7 +33,7 @@ function spec(b) {
     async = require('async'),
     config = require('../config/config'),
     assert = require('assert');
-  var db = b.db || levelup(config.leveldb + '/txs');
+  var db = b.db || levelup(config.leveldb + '/txs',{maxOpenFiles: MAX_OPEN_FILES} );
   var Script = require('bitcore/Script').class();
   // This is 0.1.2 => c++ version of base57-native
   var base58 = require('base58-native').base58Check;
@@ -62,7 +63,7 @@ function spec(b) {
     var path = config.leveldb + '/txs';
     db.close(function() {
       require('leveldown').destroy(path, function() {
-        db = levelup(path);
+        db = levelup(path, {maxOpenFiles: 500});
         return cb();
       });
     });