--- a/trb 8f651b1981a5a45802b027a4f765b37a91de6674699e451b596d50c15b952ed4bb564e639de012eacd56326e44f94f6ccfd54a85d1d12ba06ad6fad2c8711a1b
+++ b/trb aa5e26e2c9d1766536fe673bbd27e6be3beb9eddb13de483c80b5ce5dd7c2f21caefff8af367d1e84264cfae5cb17817bd572604d99412b184f13cbf4ea29217
@@ -13181,7 +13181,7 @@
 #endif
 
 ##############################################################################
-32892 @ ./bitcoin/src/db.cpp
+33001 @ ./bitcoin/src/db.cpp
 ##############################################################################
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
@@ -13269,11 +13269,13 @@
             printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
 
             dbenv.set_lg_dir(strLogDir.c_str());
-            dbenv.set_lg_max(10000000);
-            dbenv.set_lk_max_locks(10000);
-            dbenv.set_lk_max_objects(10000);
+            dbenv.set_lg_max(1000000);
+            dbenv.set_lk_max_locks(40000);
+            dbenv.set_lk_max_objects(40000);
             dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
             dbenv.set_flags(DB_AUTO_COMMIT, 1);
+            dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
+            dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
             ret = dbenv.open(strDataDir.c_str(),
                              DB_CREATE     |
                              DB_INIT_LOCK  |