]>
Commit | Line | Data |
---|---|---|
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include <stdio.h> | |
5 | #include <string.h> | |
6 | #include <iostream> | |
7 | #include <time.h> | |
8 | #include <fcntl.h> | |
9 | #include <unistd.h> | |
10 | #include <random> | |
11 | #include <thread> | |
12 | #include "global/global_init.h" | |
13 | #include "common/ceph_argparse.h" | |
14 | #include "include/stringify.h" | |
15 | #include "include/scope_guard.h" | |
16 | #include "common/errno.h" | |
17 | #include <gtest/gtest.h> | |
18 | ||
19 | #include "os/bluestore/BlueFS.h" | |
20 | ||
21 | string get_temp_bdev(uint64_t size) | |
22 | { | |
23 | static int n = 0; | |
24 | string fn = "ceph_test_bluefs.tmp.block." + stringify(getpid()) | |
25 | + "." + stringify(++n); | |
26 | int fd = ::open(fn.c_str(), O_CREAT|O_RDWR|O_TRUNC, 0644); | |
27 | ceph_assert(fd >= 0); | |
28 | int r = ::ftruncate(fd, size); | |
29 | ceph_assert(r >= 0); | |
30 | ::close(fd); | |
31 | return fn; | |
32 | } | |
33 | ||
34 | std::unique_ptr<char[]> gen_buffer(uint64_t size) | |
35 | { | |
36 | std::unique_ptr<char[]> buffer = std::make_unique<char[]>(size); | |
37 | std::independent_bits_engine<std::default_random_engine, CHAR_BIT, unsigned char> e; | |
38 | std::generate(buffer.get(), buffer.get()+size, std::ref(e)); | |
39 | return buffer; | |
40 | } | |
41 | ||
42 | ||
43 | void rm_temp_bdev(string f) | |
44 | { | |
45 | ::unlink(f.c_str()); | |
46 | } | |
47 | ||
48 | TEST(BlueFS, mkfs) { | |
49 | uint64_t size = 1048576 * 128; | |
50 | string fn = get_temp_bdev(size); | |
51 | uuid_d fsid; | |
52 | BlueFS fs(g_ceph_context); | |
53 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
54 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
55 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
56 | rm_temp_bdev(fn); | |
57 | } | |
58 | ||
59 | TEST(BlueFS, mkfs_mount) { | |
60 | uint64_t size = 1048576 * 128; | |
61 | string fn = get_temp_bdev(size); | |
62 | BlueFS fs(g_ceph_context); | |
63 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
64 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
65 | uuid_d fsid; | |
66 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
67 | ASSERT_EQ(0, fs.mount()); | |
68 | ASSERT_EQ(fs.get_total(BlueFS::BDEV_DB), size - 1048576); | |
69 | ASSERT_LT(fs.get_free(BlueFS::BDEV_DB), size - 1048576); | |
70 | fs.umount(); | |
71 | rm_temp_bdev(fn); | |
72 | } | |
73 | ||
74 | TEST(BlueFS, write_read) { | |
75 | uint64_t size = 1048576 * 128; | |
76 | string fn = get_temp_bdev(size); | |
77 | BlueFS fs(g_ceph_context); | |
78 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
79 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
80 | uuid_d fsid; | |
81 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
82 | ASSERT_EQ(0, fs.mount()); | |
83 | { | |
84 | BlueFS::FileWriter *h; | |
85 | ASSERT_EQ(0, fs.mkdir("dir")); | |
86 | ASSERT_EQ(0, fs.open_for_write("dir", "file", &h, false)); | |
87 | h->append("foo", 3); | |
88 | h->append("bar", 3); | |
89 | h->append("baz", 3); | |
90 | fs.fsync(h); | |
91 | fs.close_writer(h); | |
92 | } | |
93 | { | |
94 | BlueFS::FileReader *h; | |
95 | ASSERT_EQ(0, fs.open_for_read("dir", "file", &h)); | |
96 | bufferlist bl; | |
97 | BlueFS::FileReaderBuffer buf(4096); | |
98 | ASSERT_EQ(9, fs.read(h, &buf, 0, 1024, &bl, NULL)); | |
99 | ASSERT_EQ(0, strncmp("foobarbaz", bl.c_str(), 9)); | |
100 | delete h; | |
101 | } | |
102 | fs.umount(); | |
103 | rm_temp_bdev(fn); | |
104 | } | |
105 | ||
106 | TEST(BlueFS, small_appends) { | |
107 | uint64_t size = 1048576 * 128; | |
108 | string fn = get_temp_bdev(size); | |
109 | BlueFS fs(g_ceph_context); | |
110 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
111 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
112 | uuid_d fsid; | |
113 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
114 | ASSERT_EQ(0, fs.mount()); | |
115 | { | |
116 | BlueFS::FileWriter *h; | |
117 | ASSERT_EQ(0, fs.mkdir("dir")); | |
118 | ASSERT_EQ(0, fs.open_for_write("dir", "file", &h, false)); | |
119 | for (unsigned i = 0; i < 10000; ++i) { | |
120 | h->append("abcdeabcdeabcdeabcdeabcdeabc", 23); | |
121 | } | |
122 | fs.fsync(h); | |
123 | fs.close_writer(h); | |
124 | } | |
125 | { | |
126 | BlueFS::FileWriter *h; | |
127 | ASSERT_EQ(0, fs.open_for_write("dir", "file_sync", &h, false)); | |
128 | for (unsigned i = 0; i < 1000; ++i) { | |
129 | h->append("abcdeabcdeabcdeabcdeabcdeabc", 23); | |
130 | ASSERT_EQ(0, fs.fsync(h)); | |
131 | } | |
132 | fs.close_writer(h); | |
133 | } | |
134 | fs.umount(); | |
135 | rm_temp_bdev(fn); | |
136 | } | |
137 | ||
138 | #define ALLOC_SIZE 4096 | |
139 | ||
140 | void write_data(BlueFS &fs, uint64_t rationed_bytes) | |
141 | { | |
142 | int j=0, r=0; | |
143 | uint64_t written_bytes = 0; | |
144 | rationed_bytes -= ALLOC_SIZE; | |
145 | stringstream ss; | |
146 | string dir = "dir."; | |
147 | ss << std::this_thread::get_id(); | |
148 | dir.append(ss.str()); | |
149 | dir.append("."); | |
150 | dir.append(to_string(j)); | |
151 | ASSERT_EQ(0, fs.mkdir(dir)); | |
152 | while (1) { | |
153 | string file = "file."; | |
154 | file.append(to_string(j)); | |
155 | BlueFS::FileWriter *h; | |
156 | ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); | |
157 | ASSERT_NE(nullptr, h); | |
158 | auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); | |
159 | bufferlist bl; | |
160 | std::unique_ptr<char[]> buf = gen_buffer(ALLOC_SIZE); | |
161 | bufferptr bp = buffer::claim_char(ALLOC_SIZE, buf.get()); | |
162 | bl.push_back(bp); | |
163 | h->append(bl.c_str(), bl.length()); | |
164 | r = fs.fsync(h); | |
165 | if (r < 0) { | |
166 | break; | |
167 | } | |
168 | written_bytes += g_conf()->bluefs_alloc_size; | |
169 | j++; | |
170 | if ((rationed_bytes - written_bytes) <= g_conf()->bluefs_alloc_size) { | |
171 | break; | |
172 | } | |
173 | } | |
174 | } | |
175 | ||
176 | void create_single_file(BlueFS &fs) | |
177 | { | |
178 | BlueFS::FileWriter *h; | |
179 | stringstream ss; | |
180 | string dir = "dir.test"; | |
181 | ASSERT_EQ(0, fs.mkdir(dir)); | |
182 | string file = "testfile"; | |
183 | ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); | |
184 | bufferlist bl; | |
185 | std::unique_ptr<char[]> buf = gen_buffer(ALLOC_SIZE); | |
186 | bufferptr bp = buffer::claim_char(ALLOC_SIZE, buf.get()); | |
187 | bl.push_back(bp); | |
188 | h->append(bl.c_str(), bl.length()); | |
189 | fs.fsync(h); | |
190 | fs.close_writer(h); | |
191 | } | |
192 | ||
193 | void write_single_file(BlueFS &fs, uint64_t rationed_bytes) | |
194 | { | |
195 | stringstream ss; | |
196 | const string dir = "dir.test"; | |
197 | const string file = "testfile"; | |
198 | uint64_t written_bytes = 0; | |
199 | rationed_bytes -= ALLOC_SIZE; | |
200 | while (1) { | |
201 | BlueFS::FileWriter *h; | |
202 | ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); | |
203 | ASSERT_NE(nullptr, h); | |
204 | auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); | |
205 | bufferlist bl; | |
206 | std::unique_ptr<char[]> buf = gen_buffer(ALLOC_SIZE); | |
207 | bufferptr bp = buffer::claim_char(ALLOC_SIZE, buf.get()); | |
208 | bl.push_back(bp); | |
209 | h->append(bl.c_str(), bl.length()); | |
210 | int r = fs.fsync(h); | |
211 | if (r < 0) { | |
212 | break; | |
213 | } | |
214 | written_bytes += g_conf()->bluefs_alloc_size; | |
215 | if ((rationed_bytes - written_bytes) <= g_conf()->bluefs_alloc_size) { | |
216 | break; | |
217 | } | |
218 | } | |
219 | } | |
220 | ||
221 | bool writes_done = false; | |
222 | ||
223 | void sync_fs(BlueFS &fs) | |
224 | { | |
225 | while (1) { | |
226 | if (writes_done == true) | |
227 | break; | |
228 | fs.sync_metadata(); | |
229 | sleep(1); | |
230 | } | |
231 | } | |
232 | ||
233 | ||
234 | void do_join(std::thread& t) | |
235 | { | |
236 | t.join(); | |
237 | } | |
238 | ||
239 | void join_all(std::vector<std::thread>& v) | |
240 | { | |
241 | std::for_each(v.begin(),v.end(),do_join); | |
242 | } | |
243 | ||
244 | #define NUM_WRITERS 3 | |
245 | #define NUM_SYNC_THREADS 1 | |
246 | ||
247 | #define NUM_SINGLE_FILE_WRITERS 1 | |
248 | #define NUM_MULTIPLE_FILE_WRITERS 2 | |
249 | ||
250 | TEST(BlueFS, test_flush_1) { | |
251 | uint64_t size = 1048576 * 128; | |
252 | string fn = get_temp_bdev(size); | |
253 | g_ceph_context->_conf.set_val( | |
254 | "bluefs_alloc_size", | |
255 | "65536"); | |
256 | g_ceph_context->_conf.apply_changes(nullptr); | |
257 | ||
258 | BlueFS fs(g_ceph_context); | |
259 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
260 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
261 | uuid_d fsid; | |
262 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
263 | ASSERT_EQ(0, fs.mount()); | |
264 | { | |
265 | std::vector<std::thread> write_thread_multiple; | |
266 | uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction | |
267 | uint64_t per_thread_bytes = (effective_size/(NUM_MULTIPLE_FILE_WRITERS + NUM_SINGLE_FILE_WRITERS)); | |
268 | for (int i=0; i<NUM_MULTIPLE_FILE_WRITERS ; i++) { | |
269 | write_thread_multiple.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); | |
270 | } | |
271 | ||
272 | create_single_file(fs); | |
273 | std::vector<std::thread> write_thread_single; | |
274 | for (int i=0; i<NUM_SINGLE_FILE_WRITERS; i++) { | |
275 | write_thread_single.push_back(std::thread(write_single_file, std::ref(fs), per_thread_bytes)); | |
276 | } | |
277 | ||
278 | join_all(write_thread_single); | |
279 | join_all(write_thread_multiple); | |
280 | } | |
281 | fs.umount(); | |
282 | rm_temp_bdev(fn); | |
283 | } | |
284 | ||
285 | TEST(BlueFS, test_flush_2) { | |
286 | uint64_t size = 1048576 * 256; | |
287 | string fn = get_temp_bdev(size); | |
288 | g_ceph_context->_conf.set_val( | |
289 | "bluefs_alloc_size", | |
290 | "65536"); | |
291 | g_ceph_context->_conf.apply_changes(nullptr); | |
292 | ||
293 | BlueFS fs(g_ceph_context); | |
294 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
295 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
296 | uuid_d fsid; | |
297 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
298 | ASSERT_EQ(0, fs.mount()); | |
299 | { | |
300 | uint64_t effective_size = size - (128 * 1048576); // leaving the last 32 MB for log compaction | |
301 | uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); | |
302 | std::vector<std::thread> write_thread_multiple; | |
303 | for (int i=0; i<NUM_WRITERS; i++) { | |
304 | write_thread_multiple.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); | |
305 | } | |
306 | ||
307 | join_all(write_thread_multiple); | |
308 | } | |
309 | fs.umount(); | |
310 | rm_temp_bdev(fn); | |
311 | } | |
312 | ||
313 | TEST(BlueFS, test_flush_3) { | |
314 | uint64_t size = 1048576 * 256; | |
315 | string fn = get_temp_bdev(size); | |
316 | g_ceph_context->_conf.set_val( | |
317 | "bluefs_alloc_size", | |
318 | "65536"); | |
319 | g_ceph_context->_conf.apply_changes(nullptr); | |
320 | ||
321 | BlueFS fs(g_ceph_context); | |
322 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
323 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
324 | uuid_d fsid; | |
325 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
326 | ASSERT_EQ(0, fs.mount()); | |
327 | { | |
328 | std::vector<std::thread> write_threads; | |
329 | uint64_t effective_size = size - (64 * 1048576); // leaving the last 11 MB for log compaction | |
330 | uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); | |
331 | for (int i=0; i<NUM_WRITERS; i++) { | |
332 | write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); | |
333 | } | |
334 | ||
335 | std::vector<std::thread> sync_threads; | |
336 | for (int i=0; i<NUM_SYNC_THREADS; i++) { | |
337 | sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); | |
338 | } | |
339 | ||
340 | join_all(write_threads); | |
341 | writes_done = true; | |
342 | join_all(sync_threads); | |
343 | } | |
344 | fs.umount(); | |
345 | rm_temp_bdev(fn); | |
346 | } | |
347 | ||
348 | TEST(BlueFS, test_simple_compaction_sync) { | |
349 | g_ceph_context->_conf.set_val( | |
350 | "bluefs_compact_log_sync", | |
351 | "true"); | |
352 | uint64_t size = 1048576 * 128; | |
353 | string fn = get_temp_bdev(size); | |
354 | ||
355 | BlueFS fs(g_ceph_context); | |
356 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
357 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
358 | uuid_d fsid; | |
359 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
360 | ASSERT_EQ(0, fs.mount()); | |
361 | { | |
362 | for (int i=0; i<10; i++) { | |
363 | string dir = "dir."; | |
364 | dir.append(to_string(i)); | |
365 | ASSERT_EQ(0, fs.mkdir(dir)); | |
366 | for (int j=0; j<10; j++) { | |
367 | string file = "file."; | |
368 | file.append(to_string(j)); | |
369 | BlueFS::FileWriter *h; | |
370 | ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); | |
371 | ASSERT_NE(nullptr, h); | |
372 | auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); | |
373 | bufferlist bl; | |
374 | std::unique_ptr<char[]> buf = gen_buffer(4096); | |
375 | bufferptr bp = buffer::claim_char(4096, buf.get()); | |
376 | bl.push_back(bp); | |
377 | h->append(bl.c_str(), bl.length()); | |
378 | fs.fsync(h); | |
379 | } | |
380 | } | |
381 | } | |
382 | { | |
383 | for (int i=0; i<10; i+=2) { | |
384 | string dir = "dir."; | |
385 | dir.append(to_string(i)); | |
386 | for (int j=0; j<10; j++) { | |
387 | string file = "file."; | |
388 | file.append(to_string(j)); | |
389 | fs.unlink(dir, file); | |
390 | fs.flush_log(); | |
391 | } | |
392 | ASSERT_EQ(0, fs.rmdir(dir)); | |
393 | fs.flush_log(); | |
394 | } | |
395 | } | |
396 | fs.compact_log(); | |
397 | fs.umount(); | |
398 | rm_temp_bdev(fn); | |
399 | } | |
400 | ||
401 | TEST(BlueFS, test_simple_compaction_async) { | |
402 | g_ceph_context->_conf.set_val( | |
403 | "bluefs_compact_log_sync", | |
404 | "false"); | |
405 | uint64_t size = 1048576 * 128; | |
406 | string fn = get_temp_bdev(size); | |
407 | ||
408 | BlueFS fs(g_ceph_context); | |
409 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
410 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
411 | uuid_d fsid; | |
412 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
413 | ASSERT_EQ(0, fs.mount()); | |
414 | { | |
415 | for (int i=0; i<10; i++) { | |
416 | string dir = "dir."; | |
417 | dir.append(to_string(i)); | |
418 | ASSERT_EQ(0, fs.mkdir(dir)); | |
419 | for (int j=0; j<10; j++) { | |
420 | string file = "file."; | |
421 | file.append(to_string(j)); | |
422 | BlueFS::FileWriter *h; | |
423 | ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false)); | |
424 | ASSERT_NE(nullptr, h); | |
425 | auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); }); | |
426 | bufferlist bl; | |
427 | std::unique_ptr<char[]> buf = gen_buffer(4096); | |
428 | bufferptr bp = buffer::claim_char(4096, buf.get()); | |
429 | bl.push_back(bp); | |
430 | h->append(bl.c_str(), bl.length()); | |
431 | fs.fsync(h); | |
432 | } | |
433 | } | |
434 | } | |
435 | { | |
436 | for (int i=0; i<10; i+=2) { | |
437 | string dir = "dir."; | |
438 | dir.append(to_string(i)); | |
439 | for (int j=0; j<10; j++) { | |
440 | string file = "file."; | |
441 | file.append(to_string(j)); | |
442 | fs.unlink(dir, file); | |
443 | fs.flush_log(); | |
444 | } | |
445 | ASSERT_EQ(0, fs.rmdir(dir)); | |
446 | fs.flush_log(); | |
447 | } | |
448 | } | |
449 | fs.compact_log(); | |
450 | fs.umount(); | |
451 | rm_temp_bdev(fn); | |
452 | } | |
453 | ||
454 | TEST(BlueFS, test_compaction_sync) { | |
455 | uint64_t size = 1048576 * 128; | |
456 | string fn = get_temp_bdev(size); | |
457 | g_ceph_context->_conf.set_val( | |
458 | "bluefs_alloc_size", | |
459 | "65536"); | |
460 | g_ceph_context->_conf.set_val( | |
461 | "bluefs_compact_log_sync", | |
462 | "true"); | |
463 | ||
464 | BlueFS fs(g_ceph_context); | |
465 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
466 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
467 | uuid_d fsid; | |
468 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
469 | ASSERT_EQ(0, fs.mount()); | |
470 | { | |
471 | std::vector<std::thread> write_threads; | |
472 | uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction | |
473 | uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); | |
474 | for (int i=0; i<NUM_WRITERS; i++) { | |
475 | write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); | |
476 | } | |
477 | ||
478 | std::vector<std::thread> sync_threads; | |
479 | for (int i=0; i<NUM_SYNC_THREADS; i++) { | |
480 | sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); | |
481 | } | |
482 | ||
483 | join_all(write_threads); | |
484 | writes_done = true; | |
485 | join_all(sync_threads); | |
486 | fs.compact_log(); | |
487 | } | |
488 | fs.umount(); | |
489 | rm_temp_bdev(fn); | |
490 | } | |
491 | ||
492 | TEST(BlueFS, test_compaction_async) { | |
493 | uint64_t size = 1048576 * 128; | |
494 | string fn = get_temp_bdev(size); | |
495 | g_ceph_context->_conf.set_val( | |
496 | "bluefs_alloc_size", | |
497 | "65536"); | |
498 | g_ceph_context->_conf.set_val( | |
499 | "bluefs_compact_log_sync", | |
500 | "false"); | |
501 | ||
502 | BlueFS fs(g_ceph_context); | |
503 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
504 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
505 | uuid_d fsid; | |
506 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
507 | ASSERT_EQ(0, fs.mount()); | |
508 | { | |
509 | std::vector<std::thread> write_threads; | |
510 | uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction | |
511 | uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); | |
512 | for (int i=0; i<NUM_WRITERS; i++) { | |
513 | write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); | |
514 | } | |
515 | ||
516 | std::vector<std::thread> sync_threads; | |
517 | for (int i=0; i<NUM_SYNC_THREADS; i++) { | |
518 | sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); | |
519 | } | |
520 | ||
521 | join_all(write_threads); | |
522 | writes_done = true; | |
523 | join_all(sync_threads); | |
524 | fs.compact_log(); | |
525 | } | |
526 | fs.umount(); | |
527 | rm_temp_bdev(fn); | |
528 | } | |
529 | ||
530 | TEST(BlueFS, test_replay) { | |
531 | uint64_t size = 1048576 * 128; | |
532 | string fn = get_temp_bdev(size); | |
533 | g_ceph_context->_conf.set_val( | |
534 | "bluefs_alloc_size", | |
535 | "65536"); | |
536 | g_ceph_context->_conf.set_val( | |
537 | "bluefs_compact_log_sync", | |
538 | "false"); | |
539 | ||
540 | BlueFS fs(g_ceph_context); | |
541 | ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, fn, false)); | |
542 | fs.add_block_extent(BlueFS::BDEV_DB, 1048576, size - 1048576); | |
543 | uuid_d fsid; | |
544 | ASSERT_EQ(0, fs.mkfs(fsid)); | |
545 | ASSERT_EQ(0, fs.mount()); | |
546 | { | |
547 | std::vector<std::thread> write_threads; | |
548 | uint64_t effective_size = size - (32 * 1048576); // leaving the last 32 MB for log compaction | |
549 | uint64_t per_thread_bytes = (effective_size/(NUM_WRITERS)); | |
550 | for (int i=0; i<NUM_WRITERS; i++) { | |
551 | write_threads.push_back(std::thread(write_data, std::ref(fs), per_thread_bytes)); | |
552 | } | |
553 | ||
554 | std::vector<std::thread> sync_threads; | |
555 | for (int i=0; i<NUM_SYNC_THREADS; i++) { | |
556 | sync_threads.push_back(std::thread(sync_fs, std::ref(fs))); | |
557 | } | |
558 | ||
559 | join_all(write_threads); | |
560 | writes_done = true; | |
561 | join_all(sync_threads); | |
562 | fs.compact_log(); | |
563 | } | |
564 | fs.umount(); | |
565 | // remount and check log can replay safe? | |
566 | ASSERT_EQ(0, fs.mount()); | |
567 | fs.umount(); | |
568 | rm_temp_bdev(fn); | |
569 | } | |
570 | ||
571 | int main(int argc, char **argv) { | |
572 | vector<const char*> args; | |
573 | argv_to_vec(argc, (const char **)argv, args); | |
574 | ||
575 | map<string,string> defaults = { | |
576 | { "debug_bluefs", "1/20" }, | |
577 | { "debug_bdev", "1/20" } | |
578 | }; | |
579 | ||
580 | auto cct = global_init(&defaults, args, CEPH_ENTITY_TYPE_CLIENT, | |
581 | CODE_ENVIRONMENT_UTILITY, | |
582 | CINIT_FLAG_NO_DEFAULT_CONFIG_FILE); | |
583 | common_init_finish(g_ceph_context); | |
584 | g_ceph_context->_conf.set_val( | |
585 | "enable_experimental_unrecoverable_data_corrupting_features", | |
586 | "*"); | |
587 | g_ceph_context->_conf.apply_changes(nullptr); | |
588 | ||
589 | ::testing::InitGoogleTest(&argc, argv); | |
590 | return RUN_ALL_TESTS(); | |
591 | } |