1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%
-module(mnesia_measure_test).
-author('[email protected]').
-compile([export_all]).
-include("mnesia_test_lib.hrl").
init_per_testcase(Func, Conf) ->
mnesia_test_lib:init_per_testcase(Func, Conf).
end_per_testcase(Func, Conf) ->
mnesia_test_lib:end_per_testcase(Func, Conf).
-define(init(N, Config),
mnesia_test_lib:prepare_test_case([{init_test_case, [mnesia]},
delete_schema],
N, Config, ?FILE, ?LINE)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
all(doc) ->
["Measure various aspects of Mnesia",
"Verify that Mnesia has predictable response times,",
"that the transaction system has fair algoritms,",
"resource consumption, scalabilitym system limits etc.",
"Perform some benchmarks."];
all(suite) ->
[
prediction,
consumption,
scalability,
benchmarks
].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
prediction(doc) ->
["The system must have predictable response times.",
"The maintenance of the system should not impact on the",
"availability. Make sure that the response times does not vary too",
"much from the undisturbed normal usage.",
"Verify that deadlocks never occurs."];
prediction(suite) ->
[
reader_disturbed_by_node_down,
writer_disturbed_by_node_down,
reader_disturbed_by_node_up,
writer_disturbed_by_node_up,
reader_disturbed_by_schema_ops,
writer_disturbed_by_schema_ops,
reader_disturbed_by_checkpoint,
writer_disturbed_by_checkpoint,
reader_disturbed_by_dump_log,
writer_disturbed_by_dump_log,
reader_disturbed_by_backup,
writer_disturbed_by_backup,
reader_disturbed_by_restore,
writer_disturbed_by_restore,
fairness
].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
fairness(doc) ->
["Verify that the transaction system behaves fair, even under intense",
"stress. Combine different access patterns (transaction profiles)",
"in order to verify that concurrent applications gets a fair share",
"of the database resource. Verify that starvation never may occur."];
fairness(suite) ->
[
reader_competing_with_reader,
reader_competing_with_writer,
writer_competing_with_reader,
writer_competing_with_writer
].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
consumption(doc) ->
["Measure the resource consumption and publish the outcome. Make",
"sure that resources are released after failures."];
consumption(suite) ->
[
measure_resource_consumption,
determine_resource_leakage
].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
scalability(doc) ->
["Try out where the system limits are. We must at least meet the",
"documented system limits.",
"Redo the performance meters for various configurations and load,",
"especially near system limits."];
scalability(suite) ->
[
determine_system_limits,
performance_at_min_config,
performance_at_max_config,
performance_at_full_load,
resource_consumption_at_min_config,
resource_consumption_at_max_config,
resource_consumption_at_full_load
].
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
benchmarks(doc) ->
["Measure typical database operations and publish them. Try to",
"verify that new releases of Mnesia always outperforms old",
"releases, or at least that the meters does not get worse."];
benchmarks(suite) ->
[
meter,
cost,
dbn_meters,
measure_all_api_functions,
tpcb,
mnemosyne_vs_mnesia_kernel
].
dbn_meters(suite) -> [];
dbn_meters(Config) when is_list(Config) ->
_Nodes = ?init(3, Config),
?match(ok, mnesia_dbn_meters:start()),
ok.
tpcb(suite) ->
[
ram_tpcb,
disc_tpcb,
disc_only_tpcb
].
tpcb(ReplicaType, Config) ->
HarakiriDelay = {tc_timeout, timer:minutes(20)},
Nodes = ?acquire_nodes(2, Config ++ [HarakiriDelay]),
Args = [{n_branches, 2},
{n_drivers_per_node, 1},
{replica_nodes, Nodes},
{driver_nodes, [hd(Nodes)]},
{use_running_mnesia, true},
{use_sticky_locks, true},
{replica_type, ReplicaType}],
?match({ok, _}, mnesia_tpcb:start(Args)),
?verify_mnesia(Nodes, []).
ram_tpcb(suite) -> [];
ram_tpcb(Config) when is_list(Config) ->
tpcb(ram_copies, Config).
disc_tpcb(suite) -> [];
disc_tpcb(Config) when is_list(Config) ->
tpcb(disc_copies, Config).
disc_only_tpcb(suite) -> [];
disc_only_tpcb(Config) when is_list(Config) ->
tpcb(disc_only_copies, Config).
meter(suite) ->
[
ram_meter,
disc_meter,
disc_only_meter
].
ram_meter(suite) -> [];
ram_meter(Config) when is_list(Config) ->
HarakiriDelay = [{tc_timeout, timer:minutes(20)}],
Nodes = ?init(3, Config ++ HarakiriDelay),
?match(ok, mnesia_meter:go(ram_copies, Nodes)).
disc_meter(suite) -> [];
disc_meter(Config) when is_list(Config) ->
HarakiriDelay = [{tc_timeout, timer:minutes(20)}],
Nodes = ?init(3, Config ++ HarakiriDelay),
?match(ok, mnesia_meter:go(disc_copies, Nodes)).
disc_only_meter(suite) -> [];
disc_only_meter(Config) when is_list(Config) ->
HarakiriDelay = [{tc_timeout, timer:minutes(20)}],
Nodes = ?init(3, Config ++ HarakiriDelay),
?match(ok, mnesia_meter:go(disc_only_copies, Nodes)).
cost(suite) -> [];
cost(Config) when is_list(Config) ->
Nodes = ?init(3, Config),
?match(ok, mnesia_cost:go(Nodes)),
file:delete("MNESIA_COST").
|
