Added concurrent open db limit and a LRU cache for closing old databases when limit reached (configurable via MaxDbsOpen var in couch.ini). Refactored db update code in couch_db.erl into couch_db_updater.erl.

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@682560 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 8 insertions, 3 deletions

diff --git a/src/couchdb/couch_httpd.erl b/src/couchdb/couch_httpd.erl
index 88271390..d1a4fa90 100644
--- a/src/couchdb/couch_httpd.erl
+++ b/src/couchdb/couch_httpd.erl
@@ -156,7 +156,8 @@ handle_db_request(Req, Method, {Path}) ->
 
 handle_db_request(Req, 'PUT', {DbName, []}) ->
     case couch_server:create(DbName, []) of
-        {ok, _Db} ->
+        {ok, Db} ->
+            couch_db:close(Db),
             send_json(Req, 201, {obj, [{ok, true}]});
         {error, database_already_exists} ->
             Msg = io_lib:format("Database ~p already exists.", [DbName]),
@@ -167,9 +168,13 @@ handle_db_request(Req, 'PUT', {DbName, []}) ->
     end;
 
 handle_db_request(Req, Method, {DbName, Rest}) ->
-    case couch_server:open(DbName) of
+    case couch_db:open(DbName, []) of
         {ok, Db} ->
-            handle_db_request(Req, Method, {DbName, Db, Rest});
+            try 
+                handle_db_request(Req, Method, {DbName, Db, Rest})
+            after
+                couch_db:close(Db)
+            end;
         Error ->
             throw(Error)
     end;