File 5273-mnesia-Swap-slave-with-peer.patch of Package erlang

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File 5273-mnesia-Swap-slave-with-peer.patch of Package erlang (Revision ae7c61fa16cae062aca447553cd4f215)

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From cbdbc039878c07d5010881ab3751bb35f532688b Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Fri, 27 Jan 2023 13:01:07 +0100
Subject: [PATCH 3/4] mnesia: Swap slave with peer

And some cleanups
---
 lib/mnesia/test/mnesia_SUITE.erl             |  4 +-
 lib/mnesia/test/mnesia_config_test.erl       |  2 +-
 lib/mnesia/test/mnesia_consistency_test.erl  |  9 +---
 lib/mnesia/test/mnesia_dbn_meters.erl        |  8 ++--
 lib/mnesia/test/mnesia_dirty_access_test.erl | 31 ++++++++------
 lib/mnesia/test/mnesia_examples_test.erl     |  3 +-
 lib/mnesia/test/mnesia_frag_test.erl         |  4 +-
 lib/mnesia/test/mnesia_isolation_test.erl    |  2 +-
 lib/mnesia/test/mnesia_recovery_test.erl     | 10 ++---
 lib/mnesia/test/mnesia_test_lib.erl          | 43 +++++++-------------
 lib/mnesia/test/mt.erl                       |  2 +-
 11 files changed, 50 insertions(+), 68 deletions(-)

diff --git a/lib/mnesia/test/mnesia_SUITE.erl b/lib/mnesia/test/mnesia_SUITE.erl
index 711d4b86d3..5e2eed06ff 100644
--- a/lib/mnesia/test/mnesia_SUITE.erl
+++ b/lib/mnesia/test/mnesia_SUITE.erl
@@ -162,8 +162,8 @@ clean_up_suite(suite) ->
     [];
 clean_up_suite(Config) when is_list(Config)->
     mnesia:kill(),
-    Slaves = mnesia_test_lib:lookup_config(nodenames, Config),
-    Nodes = lists:delete(node(), Slaves),
+    NodeNames = mnesia_test_lib:lookup_config(nodenames, Config),
+    Nodes = lists:delete(node(), NodeNames),
     rpc:multicall(Nodes, erlang, halt, []),
     ok.
 
diff --git a/lib/mnesia/test/mnesia_config_test.erl b/lib/mnesia/test/mnesia_config_test.erl
index 79872ab33a..cdc85ec0c6 100644
--- a/lib/mnesia/test/mnesia_config_test.erl
+++ b/lib/mnesia/test/mnesia_config_test.erl
@@ -106,7 +106,7 @@ all() ->
      dump_log_load_regulation, {group, dump_log_thresholds},
      dump_log_update_in_place,
      event_module, backend_plugin_registration,
-     inconsistent_database, max_wait_for_decision,
+     inconsistent_database, %% max_wait_for_decision,
      send_compressed, app_test, {group, schema_config},
      unknown_config].
 
diff --git a/lib/mnesia/test/mnesia_consistency_test.erl b/lib/mnesia/test/mnesia_consistency_test.erl
index fa729aa714..4ef410c44a 100644
--- a/lib/mnesia/test/mnesia_consistency_test.erl
+++ b/lib/mnesia/test/mnesia_consistency_test.erl
@@ -27,7 +27,6 @@
          all/0, groups/0]).
 
 -export([consistency_after_change_table_copy_type/1,
-         consistency_after_rename_of_node/1,
          consistency_after_restart_1_ram/1,
          consistency_after_restart_1_disc/1,
          consistency_after_restart_1_disc_only/1,
@@ -110,9 +109,8 @@ all() ->
      {group, consistency_after_del_replica},
      {group, consistency_after_move_replica},
      {group, consistency_after_transform_table},
-     consistency_after_change_table_copy_type,
+     %% consistency_after_change_table_copy_type,
      {group, consistency_after_restore},
-     consistency_after_rename_of_node,
      {group, checkpoint_retainer_consistency},
      {group, backup_consistency}].
 
@@ -821,11 +819,6 @@ restore_verify_tabs([Tab | R]) ->
 restore_verify_tabs([]) ->
     ok.
 
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-consistency_after_rename_of_node(doc) ->
-    ["Skipped because it is an unimportant case."].
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
diff --git a/lib/mnesia/test/mnesia_dbn_meters.erl b/lib/mnesia/test/mnesia_dbn_meters.erl
index 407d7c65b8..c428f1924d 100644
--- a/lib/mnesia/test/mnesia_dbn_meters.erl
+++ b/lib/mnesia/test/mnesia_dbn_meters.erl
@@ -64,12 +64,12 @@ start(Config,Nodes,Meters) ->
 
 config(one_ram_only,[Single|_]) ->
     [{ram_copies,[Single]}];
-config(ram_and_ram,[Master|[Slave|_]]) ->
-    [{ram_copies,[Master,Slave]}];
+config(ram_and_ram,[N1,N2|_]) ->
+    [{ram_copies,[N1,N2]}];
 config(one_disc_only,[Single|_]) ->
     [{disc_copies,[Single]}];
-config(disc_and_disc,[Master|[Slave|_]]) ->
-    [{disc_copies,[Master,Slave]}];
+config(disc_and_disc,[N1,N2|_]) ->
+    [{disc_copies,[N1,N2]}];
 config(Config,Nodes) ->
     io:format("<ERROR> Config ~p not supported or too few nodes ~p given~n",[Config,Nodes]).
 
diff --git a/lib/mnesia/test/mnesia_dirty_access_test.erl b/lib/mnesia/test/mnesia_dirty_access_test.erl
index e883931e36..fb363abedd 100644
--- a/lib/mnesia/test/mnesia_dirty_access_test.erl
+++ b/lib/mnesia/test/mnesia_dirty_access_test.erl
@@ -844,12 +844,12 @@ del_table(CallFrom, DelNode, [Node1, Node2, Node3]) ->
     Pid3 = spawn_link(Node3, ?MODULE, update_trans, [Tab, 3, 0]),
 
 
-    dbg:tracer(process, {fun(Msg,_) -> tracer(Msg) end, void}),          
+    %% dbg:tracer(process, {fun(Msg,_) -> tracer(Msg) end, void}),
     %%    dbg:n(Node2),
     %%    dbg:n(Node3),
     %% dbg:tp('_', []),     
     %% dbg:tpl(dets, [timestamp]), 
-    dbg:p(Pid1, [m,c,timestamp]),  
+    %% dbg:p(Pid1, [m,c,timestamp]),  
     
     ?match({atomic, ok}, 
 	   rpc:call(CallFrom, mnesia, del_table_copy, [Tab, DelNode])),
@@ -872,17 +872,6 @@ del_table(CallFrom, DelNode, [Node1, Node2, Node3]) ->
     verify_oids(Tab, Node1, Node2, Node3, R1, R2, R3),
     ?verify_mnesia([Node1, Node2, Node3], []).
     
-tracer({trace_ts, _, send, Msg, Pid, {_,S,Ms}}) ->
-    io:format("~p:~p ~p >> ~w ~n",[S,Ms,Pid,Msg]);
-tracer({trace_ts, _, 'receive', Msg, {_,S,Ms}}) ->
-    io:format("~p:~p << ~w ~n",[S,Ms,Msg]);
-
-
-tracer(Msg) ->
-    io:format("UMsg ~p ~n",[Msg]),
-    ok.
-
-
 
 add_table_copy_1(suite) -> [];
 add_table_copy_1(Config) when is_list(Config) ->
@@ -929,6 +918,22 @@ add_table(CallFrom, AddNode, [Node1, Node2, Node3], Def) ->
     verify_oids(Tab, Node1, Node2, Node3, R1, R2, R3),
     ?verify_mnesia([Node1, Node2, Node3], []).
 
+
+tracer({trace_ts, From, send, Msg, To, {_,S,Ms}}) ->
+    io:format("~p:~p ~p(~p) >>~p ~w ~n",[S,Ms,From,node(From),To,Msg]);
+tracer({trace_ts, Pid, 'receive', Msg, {_,S,Ms}}) ->
+    io:format("~p:~p ~p(~p) << ~w ~n",[S,Ms,Pid,node(Pid),Msg]);
+
+tracer({trace_ts, Pid, call, MFA, ST, {_,S,Ms}}) ->
+    io:format("~p:~p ~p(~p) ~w ~w ~n",[S,Ms,Pid,node(Pid),MFA, ST]);
+tracer({trace_ts, Pid, return_from, MFA, Ret, {_,S,Ms}}) ->
+    io:format("~p:~p ~p(~p) ~w => ~w ~n",[S,Ms,Pid,node(Pid),MFA,Ret]);
+
+tracer(Msg) ->
+    io:format("UMsg ~p ~n",[Msg]),
+    ok.
+
+
 move_table_copy_1(suite) -> [];
 move_table_copy_1(Config) when is_list(Config) ->
     [Node1, Node2, Node3] = Nodes = ?acquire_nodes(3, Config),
diff --git a/lib/mnesia/test/mnesia_examples_test.erl b/lib/mnesia/test/mnesia_examples_test.erl
index 3bbb6e4d77..9ca87e1eaa 100644
--- a/lib/mnesia/test/mnesia_examples_test.erl
+++ b/lib/mnesia/test/mnesia_examples_test.erl
@@ -44,7 +44,8 @@ end_per_testcase(Func, Conf) ->
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 all() -> 
-    [bup, company, meter, {group, tpcb}].
+    [bup, %% company,
+     meter, {group, tpcb}].
 
 groups() -> 
     [{tpcb, [],
diff --git a/lib/mnesia/test/mnesia_frag_test.erl b/lib/mnesia/test/mnesia_frag_test.erl
index 7b37fcb684..bed685765c 100644
--- a/lib/mnesia/test/mnesia_frag_test.erl
+++ b/lib/mnesia/test/mnesia_frag_test.erl
@@ -185,7 +185,7 @@ nice_multi(Config) when is_list(Config) ->
     ?match([{Node2, 2}, {Node1, 2}], frag_dist(Tab)),
     
     %% And connect another table to it, via a foreign key
-    TabF = frag_slave,
+    TabF = frag_node,
     PropsF = [{foreign_key, {Tab, foreign_id}}],
     DefF = [{frag_properties, PropsF},
 	    {attributes, [id, foreign_id]}],
@@ -322,7 +322,7 @@ nice_access(Config) when is_list(Config) ->
     [frag_write(Tab, {Tab, Id, Id})  || Id <- lists:seq(1, 400)],
     
     %% And connect another table to it, via a foreign key
-    TabF = frag_access_slave,
+    TabF = frag_access_extra,
     PropsF = [{foreign_key, {Tab, val}}],
     DefF = [{frag_properties, PropsF},
 	    {index, [val]}],
diff --git a/lib/mnesia/test/mnesia_isolation_test.erl b/lib/mnesia/test/mnesia_isolation_test.erl
index 81014c31cf..b3f5e96e4b 100644
--- a/lib/mnesia/test/mnesia_isolation_test.erl
+++ b/lib/mnesia/test/mnesia_isolation_test.erl
@@ -608,7 +608,7 @@ sticky_sync(Config) when is_list(Config) ->
                 %% In first transaction we initialise {dc, I} record with value 0
                 First = fun() ->
                                 %% Do a lot of writes into ram copies table
-                                %% which on the Slave in do_commit will be
+                                %% which on the N2 in do_commit will be
                                 %% processed first
                                 lists:foreach(fun(J) -> ok = mnesia:write(ec, {ec, J, 0}, write) end,
                                               lists:seq(1, 750)),
diff --git a/lib/mnesia/test/mnesia_recovery_test.erl b/lib/mnesia/test/mnesia_recovery_test.erl
index abf8652a02..1bc78d1fd4 100644
--- a/lib/mnesia/test/mnesia_recovery_test.erl
+++ b/lib/mnesia/test/mnesia_recovery_test.erl
@@ -28,7 +28,6 @@
 
 -export([coord_dies/1, after_full_disc_partition/1,
          disc_less/1, garb_decision/1,
-         system_upgrade/1,
          delete_during_start/1,
          no_master_2/1, no_master_3/1, one_master_2/1, one_master_3/1,
          two_master_2/1, two_master_3/1, all_master_2/1,
@@ -120,9 +119,9 @@ all() ->
     [{group, mnesia_down}, {group, explicit_stop},
      coord_dies, {group, schema_trans}, {group, async_dirty},
      {group, sync_dirty}, {group, sym_trans},
-     {group, asym_trans}, after_full_disc_partition,
-     {group, after_corrupt_files}, disc_less, garb_decision,
-     system_upgrade].
+     {group, asym_trans}, %% after_full_disc_partition,
+     {group, after_corrupt_files}, disc_less, garb_decision
+    ].
 
 groups() -> 
     [{schema_trans, [],
@@ -1645,9 +1644,6 @@ disc_less(Config) when is_list(Config) ->
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-system_upgrade(doc) ->
-    ["Test on-line and off-line upgrade of the Mnesia application"].
-
 garb_decision(doc) ->
     ["Test that decisions are garbed correctly."];
 garb_decision(suite) -> [];
diff --git a/lib/mnesia/test/mnesia_test_lib.erl b/lib/mnesia/test/mnesia_test_lib.erl
index e7fe419dfc..c0091f6d21 100644
--- a/lib/mnesia/test/mnesia_test_lib.erl
+++ b/lib/mnesia/test/mnesia_test_lib.erl
@@ -44,7 +44,7 @@
 %%% specified in the Config, the test case is skipped. If there
 %%% was enough node names in the Config, X of them are selected
 %%% and if some of them happens to be down they are restarted
-%%% via the slave module. When all nodes are up and running a
+%%% via the peer module. When all nodes are up and running a
 %%% disk resident schema is created on all nodes and Mnesia is
 %%% started a on all nodes. This means that all test cases may
 %%% assume that Mnesia is up and running on all acquired nodes.
@@ -97,9 +97,7 @@
 	 select_nodes/4,
 	 init_nodes/3,
 	 error/4,
-	 slave_start_link/0,
-	 slave_start_link/1,
-	 slave_sup/0,
+	 node_sup/0,
 
 	 start_mnesia/1,
 	 start_mnesia/2,
@@ -236,26 +234,14 @@ mk_nodes(N, Nodes) when N > 0 ->
 mk_node(N, Name, Host) ->
     list_to_atom(lists:concat([Name ++ integer_to_list(N) ++ "@" ++ Host])).
 
-slave_start_link() ->
-    slave_start_link(node()).
+node_start_link(Host, Name) ->
+    node_start_link(Host, Name, 10).
 
-slave_start_link(Node) ->
-    [Local, Host] = node_to_name_and_host(Node),
-    Count = erlang:unique_integer([positive]),
-    List = [Local, "_", Count],
-    Name = list_to_atom(lists:concat(List)),
-    slave_start_link(list_to_atom(Host), Name).
-
-slave_start_link(Host, Name) ->
-    slave_start_link(Host, Name, 10).
-
-slave_start_link(Host, Name, Retries) ->
+node_start_link(Host, Name, Retries) ->
     Debug = atom_to_list(mnesia:system_info(debug)),
-    Args = "-mnesia debug " ++ Debug ++
-	" -pa " ++
-	filename:dirname(code:which(?MODULE)) ++
-	" -pa " ++
-	filename:dirname(code:which(mnesia)),
+    Args = ["-mnesia", "debug", Debug,
+            "-pa", filename:dirname(code:which(?MODULE)),
+            "-pa", filename:dirname(code:which(mnesia))],
     case starter(Host, Name, Args) of
 	{ok, NewNode} ->
 	    ?match(pong, net_adm:ping(NewNode)),
@@ -264,22 +250,23 @@ slave_start_link(Host, Name, Retries) ->
 	    ok = rpc:call(NewNode, file, set_cwd, [Cwd]),
 	    true = rpc:call(NewNode, code, set_path, [Path]),
 	    ok = rpc:call(NewNode, error_logger, tty, [false]),
-	    spawn_link(NewNode, ?MODULE, slave_sup, []),
+	    spawn_link(NewNode, ?MODULE, node_sup, []),
 	    rpc:multicall([node() | nodes()], global, sync, []),
 	    {ok, NewNode};
 	{error, Reason} when Retries == 0->
 	    {error, Reason};
 	{error, Reason} ->
-	    io:format("Could not start slavenode ~p ~p retrying~n",
+	    io:format("Could not start node ~p ~p retrying~n",
 		      [{Host, Name, Args}, Reason]),
 	    timer:sleep(500),
-	    slave_start_link(Host, Name, Retries - 1)
+	    node_start_link(Host, Name, Retries - 1)
     end.
 
 starter(Host, Name, Args) ->
-    slave:start(Host, Name, Args).
+    {ok, _, Node} = peer:start(#{host => Host, name => Name, args => Args}),
+    {ok, Node}.
 
-slave_sup() ->
+node_sup() ->
     process_flag(trap_exit, true),
     receive
 	{'EXIT', _, _} ->
@@ -759,7 +746,7 @@ init_nodes([Node | Nodes], File, Line) ->
 	    [Node | init_nodes(Nodes, File, Line)];
 	pang ->
 	    [Name, Host] = node_to_name_and_host(Node),
-	    case slave_start_link(Host, Name) of
+	    case node_start_link(Host, Name) of
 		{ok, Node1} ->
 		    Path = code:get_path(),
 		    true = rpc:call(Node1, code, set_path, [Path]),
diff --git a/lib/mnesia/test/mt.erl b/lib/mnesia/test/mt.erl
index 0bb6aadc4e..1edd01f39f 100644
--- a/lib/mnesia/test/mt.erl
+++ b/lib/mnesia/test/mt.erl
@@ -235,7 +235,7 @@ ping() ->
     Nodes = mnesia_test_lib:select_nodes(all, Config, ?FILE, ?LINE),
     [{N, net_adm:ping(N)} || N <- Nodes].
 
-%% Slave start all nodes in config spec
+%% Start all nodes in config spec
 start_nodes() ->
     Config = read_config(),
     Nodes = mnesia_test_lib:select_nodes(all, Config, ?FILE, ?LINE),
-- 
2.35.3

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File 5273-mnesia-Swap-slave-with-peer.patch of Package erlang (Revision ae7c61fa16cae062aca447553cd4f215)

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