From 134dc2c24f08ef7487fcdf5c5d751603a5ed14a6 Mon Sep 17 00:00:00 2001
From: Adam Kocoloski <adam@cloudant.com>
Date: Fri, 16 Jul 2010 11:07:22 -0400
Subject: measure all get_db_info calls

---
 src/chttpd_db.erl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/chttpd_db.erl b/src/chttpd_db.erl
index 22ca7fe6..bd11683b 100644
--- a/src/chttpd_db.erl
+++ b/src/chttpd_db.erl
@@ -174,7 +174,11 @@ do_db_req(#httpd{path_parts=[DbName|_]}=Req, Fun) ->
     Fun(Req, #db{name=DbName}).
 
 db_req(#httpd{method='GET',path_parts=[DbName]}=Req, _Db) ->
+    % measure the time required to generate the etag, see if it's worth it
+    T0 = now(),
     {ok, DbInfo} = fabric:get_db_info(DbName),
+    DeltaT = timer:now_diff(now(), T0) / 1000,
+    couch_stats_collector:record({couchdb, dbinfo}, DeltaT),
     send_json(Req, {cloudant_util:customer_db_info(Req, DbInfo)});
 
 db_req(#httpd{method='POST', path_parts=[DbName], user_ctx=Ctx}=Req, Db) ->
-- 
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