ERVER-965: Store the indexes of a collection on another partition/drive than the documents

1 files changed, 7 insertions, 2 deletions

diff --git a/src/mongo/db/storage/kv/kv_catalog.h b/src/mongo/db/storage/kv/kv_catalog.h
index 0d665dbdcf1..6aec447d63d 100644
--- a/src/mongo/db/storage/kv/kv_catalog.h
+++ b/src/mongo/db/storage/kv/kv_catalog.h
@@ -54,7 +54,7 @@ namespace mongo {
         KVCatalog( RecordStore* rs,
                    bool isRsThreadSafe,
                    bool directoryPerDb,
-                   bool splitCollectionAndIndexes );
+                   bool directoryForIndexes );
         ~KVCatalog();
 
         void init( OperationContext* opCtx );
@@ -100,6 +100,11 @@ namespace mongo {
                             const StringData& ns,
                             RecordId* out=NULL ) const;
 
+        /**
+         * Generates a new unique identifier for a new "thing".
+         * @param ns - the containing ns
+         * @param kind - what this "thing" is, likely collection or index
+         */
         std::string _newUniqueIdent(const StringData& ns, const char* kind);
 
         // Helpers only used by constructor and init(). Don't call from elsewhere.
@@ -109,7 +114,7 @@ namespace mongo {
         RecordStore* _rs; // not owned
         const bool _isRsThreadSafe;
         const bool _directoryPerDb;
-        const bool _splitCollectionAndIndexes;
+        const bool _directoryForIndexes;
 
         // These two are only used for ident generation inside _newUniqueIdent.
         std::string _rand; // effectively const after init() returns