SERVER-2771 Retry index builds on startup

1 files changed, 45 insertions, 0 deletions

diff --git a/src/mongo/db/index_rebuilder.h b/src/mongo/db/index_rebuilder.h
new file mode 100644
index 00000000000..3fd308f9cc9
--- /dev/null
+++ b/src/mongo/db/index_rebuilder.h
@@ -0,0 +1,45 @@
+/**
+ *    Copyright (C) 2012 10gen Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "mongo/db/namespace_details.h"
+#include "mongo/util/background.h"
+
+namespace mongo {
+
+    class IndexRebuilder : public BackgroundJob {
+    public:
+        IndexRebuilder();
+
+        std::string name() const;
+        void run();
+
+    private:
+        /**
+         * Check each collection in a database to see if it has any in-progress index builds that
+         * need to be retried.  If so, calls retryIndexBuild.
+         */
+        void checkDB(const std::string& dbname);
+
+        /**
+         * Actually retry the index build on a given namespace.
+         */
+        void retryIndexBuild(const std::string& dbName, NamespaceDetails* nsd);
+    };
+
+    extern IndexRebuilder indexRebuilder;
+}