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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*-
* Public Domain 2014-2016 MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <sys/wait.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
#include <unistd.h>
#endif
#include <wiredtiger.h>
#include "test_util.i"
#define HOME_SIZE 512
#define HOME_BASE "WT_HOME"
static char home[HOME_SIZE]; /* Base home directory */
static char hometmp[HOME_SIZE]; /* Each conn home directory */
static const char *progname; /* Program name */
static const char * const uri = "table:main";
#define WTOPEN_CFG_COMMON \
"create,log=(file_max=10M,archive=false,enabled)," \
"statistics=(fast),statistics_log=(wait=5),"
#define WT_CONFIG0 \
WTOPEN_CFG_COMMON \
"transaction_sync=(enabled=false)"
#define WT_CONFIG1 \
WTOPEN_CFG_COMMON \
"transaction_sync=(enabled,method=none)"
#define WT_CONFIG2 \
WTOPEN_CFG_COMMON \
"transaction_sync=(enabled,method=fsync)"
#define MAX_CPU 10.0
#define MAX_DBS 10
#define MAX_IDLE_TIME 30
#define IDLE_INCR 5
#define MAX_KV 100
#define MAX_VAL 128
static void
usage(void)
{
fprintf(stderr,
"usage: %s [-I] [-C maxcpu%%] [-D maxdbs] [-h dir]\n", progname);
exit(EXIT_FAILURE);
}
extern int __wt_optind;
extern char *__wt_optarg;
void (*custom_die)(void) = NULL;
WT_CONNECTION **conn = NULL;
WT_CURSOR **cursor = NULL;
WT_RAND_STATE rnd;
WT_SESSION **session = NULL;
static int
run_ops(int dbs)
{
WT_ITEM data;
int db_set, i, key;
uint32_t db;
uint8_t buf[MAX_VAL];
memset(buf, 0, sizeof(buf));
/*
* First time through, set up sessions, create the tables and
* open cursors.
*/
if (session == NULL) {
__wt_random_init(&rnd);
if ((session =
calloc((size_t)dbs, sizeof(WT_SESSION *))) == NULL)
testutil_die(ENOMEM, "session array malloc");
if ((cursor = calloc((size_t)dbs, sizeof(WT_CURSOR *))) == NULL)
testutil_die(ENOMEM, "cursor array malloc");
for (i = 0; i < dbs; ++i) {
testutil_check(conn[i]->open_session(conn[i],
NULL, NULL, &session[i]));
testutil_check(session[i]->create(session[i],
uri, "key_format=Q,value_format=u"));
testutil_check(session[i]->open_cursor(session[i],
uri, NULL, NULL, &cursor[i]));
}
}
for (i = 0; i < MAX_VAL; ++i)
buf[i] = (uint8_t)__wt_random(&rnd);
data.data = buf;
/*
* Write a small amount of data into a random subset of the databases.
*/
db_set = dbs / 4;
for (i = 0; i < db_set; ++i) {
db = __wt_random(&rnd) % (uint32_t)dbs;
printf("Write to database %" PRIu32 "\n", db);
for (key = 0; key < MAX_KV; ++key) {
data.size = __wt_random(&rnd) % MAX_VAL;
cursor[db]->set_key(cursor[db], key);
cursor[db]->set_value(cursor[db], &data);
testutil_check(cursor[db]->insert(cursor[db]));
}
}
return (0);
}
int
main(int argc, char *argv[])
{
FILE *fp;
float cpu, max;
int cfg, ch, dbs, i;
const char *working_dir;
bool idle, setmax;
const char *wt_cfg;
char cmd[128];
if ((progname = strrchr(argv[0], DIR_DELIM)) == NULL)
progname = argv[0];
else
++progname;
dbs = MAX_DBS;
working_dir = HOME_BASE;
max = (float)dbs;
idle = setmax = false;
while ((ch = __wt_getopt(progname, argc, argv, "C:D:h:I")) != EOF)
switch (ch) {
case 'C':
max = (float)atof(__wt_optarg);
setmax = true;
break;
case 'D':
dbs = atoi(__wt_optarg);
break;
case 'h':
working_dir = __wt_optarg;
break;
case 'I':
idle = true;
break;
default:
usage();
}
argc -= __wt_optind;
argv += __wt_optind;
/*
* Adjust the maxcpu in relation to the number of databases, unless
* the user set it explicitly.
*/
if (!setmax)
max = (float)dbs;
if (argc != 0)
usage();
if ((conn = calloc((size_t)dbs, sizeof(WT_CONNECTION *))) == NULL)
testutil_die(ENOMEM, "connection array malloc");
memset(cmd, 0, sizeof(cmd));
/*
* Set up all the directory names.
*/
testutil_work_dir_from_path(home, HOME_SIZE, working_dir);
testutil_make_work_dir(home);
for (i = 0; i < dbs; ++i) {
snprintf(hometmp, HOME_SIZE, "%s/%s.%d", home, HOME_BASE, i);
testutil_make_work_dir(hometmp);
/*
* Open each database. Rotate different configurations
* among them.
*/
cfg = i % 3;
if (cfg == 0)
wt_cfg = WT_CONFIG0;
else if (cfg == 1)
wt_cfg = WT_CONFIG1;
else
wt_cfg = WT_CONFIG2;
testutil_check(wiredtiger_open(
hometmp, NULL, wt_cfg, &conn[i]));
}
sleep(10);
for (i = 0; i < MAX_IDLE_TIME; i += IDLE_INCR) {
if (!idle)
testutil_check(run_ops(dbs));
printf("Sleep %d (%d of %d)\n", IDLE_INCR, i, MAX_IDLE_TIME);
sleep(IDLE_INCR);
}
/*
* Check CPU after all idling or work is done.
*/
(void)snprintf(cmd, sizeof(cmd),
"ps -p %lu -o pcpu=", (unsigned long)getpid());
if ((fp = popen(cmd, "r")) == NULL)
testutil_die(errno, "popen");
fscanf(fp, "%f", &cpu);
printf("Final CPU %f, max %f\n", cpu, max);
if (cpu > max) {
fprintf(stderr, "ERROR: CPU usage: %f, max %f\n", cpu, max);
testutil_die(ERANGE, "CPU");
}
if (pclose(fp) != 0)
testutil_die(errno, "pclose");
for (i = 0; i < dbs; ++i)
testutil_check(conn[i]->close(conn[i], NULL));
return (EXIT_SUCCESS);
}
|
