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authorDan Gudmundsson <[email protected]>2018-08-17 08:59:48 +0200
committerDan Gudmundsson <[email protected]>2018-08-17 10:47:56 +0200
commita9ddb1e0f116e8fad9b13c7ba7884472c00c2667 (patch)
treed3938c458ce9e0c935a377913426571939f2deb6
parent70aceaec7a985c27787f37ce07e4b072ec52ed61 (diff)
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Clean up bag index tables
Index records for bag tables with ram_copies was not deleted after "real" objects where deleted and thus a memory leak.
-rw-r--r--lib/mnesia/src/mnesia_index.erl2
-rw-r--r--lib/mnesia/test/mnesia_evil_coverage_test.erl58
2 files changed, 56 insertions, 4 deletions
diff --git a/lib/mnesia/src/mnesia_index.erl b/lib/mnesia/src/mnesia_index.erl
index d121bd01e9..f8b3b9cd02 100644
--- a/lib/mnesia/src/mnesia_index.erl
+++ b/lib/mnesia/src/mnesia_index.erl
@@ -155,7 +155,7 @@ del_object_bag_([IxK|IxKs], Found, Type, Tab, Key, Obj, Ixt) ->
bag ->
db_match_erase(Ixt, {IxK, Key});
ordered ->
- db_erase(Ixt, {{IxK, Key}})
+ db_erase(Ixt, {IxK, Key})
end;
_ ->
ok
diff --git a/lib/mnesia/test/mnesia_evil_coverage_test.erl b/lib/mnesia/test/mnesia_evil_coverage_test.erl
index 506b1a9372..1a561154a7 100644
--- a/lib/mnesia/test/mnesia_evil_coverage_test.erl
+++ b/lib/mnesia/test/mnesia_evil_coverage_test.erl
@@ -35,7 +35,7 @@
replica_management/1, clear_table_during_load/1,
schema_availability/1, local_content/1,
replica_location/1, user_properties/1, unsupp_user_props/1,
- sorted_ets/1,
+ sorted_ets/1, index_cleanup/1,
change_table_access_mode/1, change_table_load_order/1,
set_master_nodes/1, offline_set_master_nodes/1,
dump_tables/1, dump_log/1, wait_for_tables/1, force_load_table/1,
@@ -49,7 +49,7 @@
record_name_dirty_access_disc_only/1,
record_name_dirty_access_xets/1]).
--export([info_check/8]).
+-export([info_check/8, index_size/1]).
-define(cleanup(N, Config),
mnesia_test_lib:prepare_test_case([{reload_appls, [mnesia]}],
@@ -73,7 +73,7 @@ all() ->
{group, table_sync}, user_properties, unsupp_user_props,
{group, record_name}, {group, snmp_access},
{group, subscriptions}, {group, iteration},
- {group, debug_support}, sorted_ets,
+ {group, debug_support}, sorted_ets, index_cleanup,
{mnesia_dirty_access_test, all},
{mnesia_trans_access_test, all},
{mnesia_evil_backup, all}].
@@ -2559,3 +2559,55 @@ sorted_ets(Config) when is_list(Config) ->
?match({atomic, [{rec,1,1}, {rec,2,1}]}, mnesia:transaction(TestIt)).
+index_cleanup(Config) when is_list(Config) ->
+ [N1, N2] = All = ?acquire_nodes(2, Config),
+ ?match({atomic, ok}, mnesia:create_table(i_set, [{type, set}, {ram_copies, [N1]}, {index, [val]},
+ {disc_only_copies, [N2]}])),
+ ?match({atomic, ok}, mnesia:create_table(i_bag, [{type, bag}, {ram_copies, [N1]}, {index, [val]},
+ {disc_only_copies, [N2]}])),
+ ?match({atomic, ok}, mnesia:create_table(i_oset, [{type, ordered_set}, {ram_copies, [N1, N2]},
+ {index, [val]}])),
+
+ Tabs = [i_set, i_bag, i_oset],
+
+ Add = fun(Tab) ->
+ Write = fun(Tab) ->
+ Recs = [{Tab, N, N rem 5} || N <- lists:seq(1,10)],
+ [ok = mnesia:write(Rec) || Rec <- Recs],
+ Recs
+ end,
+ {atomic, Recs} = mnesia:sync_transaction(Write, [Tab]),
+ lists:sort(Recs)
+ end,
+
+ IRead = fun(Tab) ->
+ Read = fun(Tab) ->
+ [mnesia:index_read(Tab, N, val) || N <- lists:seq(0,4)]
+ end,
+ {atomic, Recs} = mnesia:transaction(Read, [Tab]),
+ lists:sort(lists:flatten(Recs))
+ end,
+
+ Delete = fun(Rec) ->
+ Del = fun() -> mnesia:delete_object(Rec) end,
+ {atomic, ok} = mnesia:sync_transaction(Del),
+ ok
+ end,
+
+
+ Recs = [Add(Tab) || Tab <- Tabs],
+ ?match(Recs, [IRead(Tab) || Tab <- Tabs]),
+ [Delete(Rec) || Rec <- lists:flatten(Recs)],
+
+ [?match({Tab,0}, {Tab,mnesia:table_info(Tab, size)}) || Tab <- Tabs],
+
+ [?match({Tab,Node,0, _}, rpc:call(Node, ?MODULE, index_size, [Tab]))
+ || Node <- All, Tab <- Tabs],
+ ?verify_mnesia(All, []).
+
+index_size(Tab) ->
+ %% White box testing
+ case mnesia:table_info(Tab, index_info) of
+ {index, _, [{_, {ram, Ref}}=Dbg]} -> {Tab, node(), ets:info(Ref, size), Dbg};
+ {index, _, [{_, {dets, Ref}}=Dbg]} -> {Tab, node(), dets:info(Ref, size), Dbg}
+ end.