From 4361a832c18be3f9d96e7943f6e1bbce92a94cad Mon Sep 17 00:00:00 2001 From: Filipe David Borba Manana Date: Fri, 20 May 2011 10:56:30 +0000 Subject: Replication manager: don't update doc if new state == current state This is to avoid unncessary updates. This is a backport of revision 1125317 (trunk). git-svn-id: https://svn.apache.org/repos/asf/couchdb/branches/1.1.x@1125320 13f79535-47bb-0310-9956-ffa450edef68 --- src/couchdb/couch_rep.erl | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/src/couchdb/couch_rep.erl b/src/couchdb/couch_rep.erl index 5c9fbce6..e4b4264e 100644 --- a/src/couchdb/couch_rep.erl +++ b/src/couchdb/couch_rep.erl @@ -883,13 +883,18 @@ update_rep_doc({Props} = _RepDoc, KVs) -> update_rep_doc(RepDb, #doc{body = {RepDocBody}} = RepDoc, KVs) -> NewRepDocBody = lists:foldl( - fun({<<"_replication_state">> = K, _V} = KV, Body) -> - Body1 = lists:keystore(K, 1, Body, KV), - {Mega, Secs, _} = erlang:now(), - UnixTime = Mega * 1000000 + Secs, - lists:keystore( - <<"_replication_state_time">>, 1, - Body1, {<<"_replication_state_time">>, UnixTime}); + fun({<<"_replication_state">> = K, State} = KV, Body) -> + case couch_util:get_value(K, Body) of + State -> + Body; + _ -> + Body1 = lists:keystore(K, 1, Body, KV), + {Mega, Secs, _} = erlang:now(), + UnixTime = Mega * 1000000 + Secs, + lists:keystore( + <<"_replication_state_time">>, 1, + Body1, {<<"_replication_state_time">>, UnixTime}) + end; ({K, _V} = KV, Body) -> lists:keystore(K, 1, Body, KV) end, -- cgit v1.2.3