preallocate journal files. some file systems are quite slow otherwise.

1 files changed, 4 insertions, 0 deletions

diff --git a/db/dur.cpp b/db/dur.cpp
index 88a4ce418d6..e297e0b6f02 100644
--- a/db/dur.cpp
+++ b/db/dur.cpp
@@ -596,6 +596,8 @@ namespace mongo {
             }
         }
 
+        void preallocateFiles();
+
         /** at startup, recover, and then start the journal threads */
         void startup() {
             if( !cmdLine.dur )
@@ -612,6 +614,8 @@ namespace mongo {
                 throw;
             }
 
+            preallocateFiles();
+
             boost::thread t(durThread);
         }