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Diffstat (limited to 'apps/fabric/src/fabric_db_info.erl')
-rw-r--r-- | apps/fabric/src/fabric_db_info.erl | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/apps/fabric/src/fabric_db_info.erl b/apps/fabric/src/fabric_db_info.erl deleted file mode 100644 index a0acb379..00000000 --- a/apps/fabric/src/fabric_db_info.erl +++ /dev/null @@ -1,69 +0,0 @@ -% Copyright 2010 Cloudant -% -% Licensed under the Apache License, Version 2.0 (the "License"); you may not -% use this file except in compliance with the License. You may obtain a copy of -% the License at -% -% http://www.apache.org/licenses/LICENSE-2.0 -% -% Unless required by applicable law or agreed to in writing, software -% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -% License for the specific language governing permissions and limitations under -% the License. - --module(fabric_db_info). - --export([go/1]). - --include("fabric.hrl"). --include_lib("mem3/include/mem3.hrl"). - -go(DbName) -> - Shards = mem3:shards(DbName), - Workers = fabric_util:submit_jobs(Shards, get_db_info, []), - Acc0 = {fabric_dict:init(Workers, nil), []}, - fabric_util:recv(Workers, #shard.ref, fun handle_message/3, Acc0). - -handle_message({ok, Info}, #shard{dbname=Name} = Shard, {Counters, Acc}) -> - case fabric_dict:lookup_element(Shard, Counters) of - undefined -> - % already heard from someone else in this range - {ok, {Counters, Acc}}; - nil -> - Seq = couch_util:get_value(update_seq, Info), - C1 = fabric_dict:store(Shard, Seq, Counters), - C2 = fabric_view:remove_overlapping_shards(Shard, C1), - case fabric_dict:any(nil, C2) of - true -> - {ok, {C2, [Info|Acc]}}; - false -> - {stop, [ - {db_name,Name}, - {update_seq, fabric_view_changes:pack_seqs(C2)} | - merge_results(lists:flatten([Info|Acc])) - ]} - end - end; -handle_message(_, _, Acc) -> - {ok, Acc}. - -merge_results(Info) -> - Dict = lists:foldl(fun({K,V},D0) -> orddict:append(K,V,D0) end, - orddict:new(), Info), - orddict:fold(fun - (doc_count, X, Acc) -> - [{doc_count, lists:sum(X)} | Acc]; - (doc_del_count, X, Acc) -> - [{doc_del_count, lists:sum(X)} | Acc]; - (purge_seq, X, Acc) -> - [{purge_seq, lists:sum(X)} | Acc]; - (compact_running, X, Acc) -> - [{compact_running, lists:member(true, X)} | Acc]; - (disk_size, X, Acc) -> - [{disk_size, lists:sum(X)} | Acc]; - (disk_format_version, X, Acc) -> - [{disk_format_version, lists:max(X)} | Acc]; - (_, _, Acc) -> - Acc - end, [{instance_start_time, <<"0">>}], Dict). |