Author: fdmanana Date: Fri May 20 10:56:30 2011 New Revision: 1125320 URL: http://svn.apache.org/viewvc?rev=1125320&view=rev Log: 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). Modified: couchdb/branches/1.1.x/src/couchdb/couch_rep.erl Modified: couchdb/branches/1.1.x/src/couchdb/couch_rep.erl URL: http://svn.apache.org/viewvc/couchdb/branches/1.1.x/src/couchdb/couch_rep.erl?rev=1125320&r1=1125319&r2=1125320&view=diff ============================================================================== --- couchdb/branches/1.1.x/src/couchdb/couch_rep.erl (original) +++ couchdb/branches/1.1.x/src/couchdb/couch_rep.erl Fri May 20 10:56:30 2011 @@ -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,