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
|
/*
* Copyright 2017-2019 Leonid Yuriev <leo@yuriev.ru>
* and other libmdbx authors: please see AUTHORS file.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "test.h"
bool testcase_jitter::run() {
int err;
size_t upper_limit = config.params.size_upper;
if (upper_limit < 1)
upper_limit = config.params.size_now * 2;
while (should_continue()) {
jitter_delay();
db_open();
if (upper_limit < 1) {
MDBX_envinfo info;
err = mdbx_env_info_ex(db_guard.get(), txn_guard.get(), &info,
sizeof(info));
if (err)
failure_perror("mdbx_env_info_ex()", err);
upper_limit = (info.mi_geo.upper < INTPTR_MAX)
? (intptr_t)info.mi_geo.upper
: INTPTR_MAX;
}
if (flipcoin()) {
jitter_delay();
txn_begin(true);
fetch_canary();
jitter_delay();
txn_end(flipcoin());
}
const bool coin4size = flipcoin();
jitter_delay();
txn_begin(mode_readonly());
jitter_delay();
if (!mode_readonly()) {
fetch_canary();
update_canary(1);
err = mdbx_env_set_geometry(
db_guard.get(), -1, -1,
coin4size ? upper_limit * 2 / 3 : upper_limit * 3 / 2, -1, -1, -1);
if (err != MDBX_SUCCESS && err != MDBX_RESULT_TRUE &&
err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE)
failure_perror("mdbx_env_set_geometry-1", err);
}
txn_end(flipcoin());
err = mdbx_env_set_geometry(
db_guard.get(), -1, -1,
!coin4size ? upper_limit * 2 / 3 : upper_limit * 3 / 2, -1, -1, -1);
if (err != MDBX_SUCCESS && err != MDBX_RESULT_TRUE &&
err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE)
failure_perror("mdbx_env_set_geometry-2", err);
if (flipcoin()) {
jitter_delay();
txn_begin(true);
jitter_delay();
txn_end(flipcoin());
}
jitter_delay();
err =
mdbx_env_set_geometry(db_guard.get(), -1, -1, upper_limit, -1, -1, -1);
if (err != MDBX_SUCCESS && err != MDBX_RESULT_TRUE &&
err != MDBX_MAP_FULL && err != MDBX_TOO_LARGE)
failure_perror("mdbx_env_set_geometry-3", err);
db_close();
/* just 'align' nops with other tests with batching */
const auto batching =
std::max(config.params.batch_read, config.params.batch_write);
report(std::max(1u, batching / 2));
}
return true;
}
|
