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1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
2 | // This source code is licensed under both the GPLv2 (found in the | |
3 | // COPYING file in the root directory) and Apache 2.0 License | |
4 | // (found in the LICENSE.Apache file in the root directory). | |
5 | ||
6 | #include "trace_replay/block_cache_tracer.h" | |
1e59de90 TL |
7 | |
8 | #include "rocksdb/db.h" | |
f67539c2 TL |
9 | #include "rocksdb/env.h" |
10 | #include "rocksdb/status.h" | |
11 | #include "rocksdb/trace_reader_writer.h" | |
1e59de90 | 12 | #include "rocksdb/trace_record.h" |
f67539c2 TL |
13 | #include "test_util/testharness.h" |
14 | #include "test_util/testutil.h" | |
15 | ||
16 | namespace ROCKSDB_NAMESPACE { | |
17 | ||
18 | namespace { | |
19 | const uint64_t kBlockSize = 1024; | |
20 | const std::string kBlockKeyPrefix = "test-block-"; | |
21 | const uint32_t kCFId = 0; | |
22 | const uint32_t kLevel = 1; | |
23 | const uint64_t kSSTFDNumber = 100; | |
24 | const std::string kRefKeyPrefix = "test-get-"; | |
25 | const uint64_t kNumKeysInBlock = 1024; | |
26 | const uint64_t kReferencedDataSize = 10; | |
27 | } // namespace | |
28 | ||
29 | class BlockCacheTracerTest : public testing::Test { | |
30 | public: | |
31 | BlockCacheTracerTest() { | |
32 | test_path_ = test::PerThreadDBPath("block_cache_tracer_test"); | |
33 | env_ = ROCKSDB_NAMESPACE::Env::Default(); | |
1e59de90 | 34 | clock_ = env_->GetSystemClock().get(); |
f67539c2 TL |
35 | EXPECT_OK(env_->CreateDir(test_path_)); |
36 | trace_file_path_ = test_path_ + "/block_cache_trace"; | |
37 | } | |
38 | ||
39 | ~BlockCacheTracerTest() override { | |
40 | EXPECT_OK(env_->DeleteFile(trace_file_path_)); | |
41 | EXPECT_OK(env_->DeleteDir(test_path_)); | |
42 | } | |
43 | ||
44 | TableReaderCaller GetCaller(uint32_t key_id) { | |
45 | uint32_t n = key_id % 5; | |
46 | switch (n) { | |
47 | case 0: | |
48 | return TableReaderCaller::kPrefetch; | |
49 | case 1: | |
50 | return TableReaderCaller::kCompaction; | |
51 | case 2: | |
52 | return TableReaderCaller::kUserGet; | |
53 | case 3: | |
54 | return TableReaderCaller::kUserMultiGet; | |
55 | case 4: | |
56 | return TableReaderCaller::kUserIterator; | |
57 | } | |
58 | assert(false); | |
1e59de90 | 59 | return TableReaderCaller::kMaxBlockCacheLookupCaller; |
f67539c2 TL |
60 | } |
61 | ||
62 | void WriteBlockAccess(BlockCacheTraceWriter* writer, uint32_t from_key_id, | |
63 | TraceType block_type, uint32_t nblocks) { | |
64 | assert(writer); | |
65 | for (uint32_t i = 0; i < nblocks; i++) { | |
66 | uint32_t key_id = from_key_id + i; | |
67 | BlockCacheTraceRecord record; | |
68 | record.block_type = block_type; | |
69 | record.block_size = kBlockSize + key_id; | |
70 | record.block_key = (kBlockKeyPrefix + std::to_string(key_id)); | |
1e59de90 | 71 | record.access_timestamp = clock_->NowMicros(); |
f67539c2 TL |
72 | record.cf_id = kCFId; |
73 | record.cf_name = kDefaultColumnFamilyName; | |
74 | record.caller = GetCaller(key_id); | |
75 | record.level = kLevel; | |
76 | record.sst_fd_number = kSSTFDNumber + key_id; | |
1e59de90 TL |
77 | record.is_cache_hit = false; |
78 | record.no_insert = false; | |
f67539c2 TL |
79 | // Provide get_id for all callers. The writer should only write get_id |
80 | // when the caller is either GET or MGET. | |
81 | record.get_id = key_id + 1; | |
1e59de90 | 82 | record.get_from_user_specified_snapshot = true; |
f67539c2 TL |
83 | // Provide these fields for all block types. |
84 | // The writer should only write these fields for data blocks and the | |
85 | // caller is either GET or MGET. | |
86 | record.referenced_key = (kRefKeyPrefix + std::to_string(key_id)); | |
1e59de90 | 87 | record.referenced_key_exist_in_block = true; |
f67539c2 TL |
88 | record.num_keys_in_block = kNumKeysInBlock; |
89 | record.referenced_data_size = kReferencedDataSize + key_id; | |
90 | ASSERT_OK(writer->WriteBlockAccess( | |
91 | record, record.block_key, record.cf_name, record.referenced_key)); | |
92 | } | |
93 | } | |
94 | ||
95 | BlockCacheTraceRecord GenerateAccessRecord() { | |
96 | uint32_t key_id = 0; | |
97 | BlockCacheTraceRecord record; | |
98 | record.block_type = TraceType::kBlockTraceDataBlock; | |
99 | record.block_size = kBlockSize; | |
100 | record.block_key = kBlockKeyPrefix + std::to_string(key_id); | |
1e59de90 | 101 | record.access_timestamp = clock_->NowMicros(); |
f67539c2 TL |
102 | record.cf_id = kCFId; |
103 | record.cf_name = kDefaultColumnFamilyName; | |
104 | record.caller = GetCaller(key_id); | |
105 | record.level = kLevel; | |
106 | record.sst_fd_number = kSSTFDNumber + key_id; | |
1e59de90 TL |
107 | record.is_cache_hit = false; |
108 | record.no_insert = false; | |
f67539c2 | 109 | record.referenced_key = kRefKeyPrefix + std::to_string(key_id); |
1e59de90 | 110 | record.referenced_key_exist_in_block = true; |
f67539c2 TL |
111 | record.num_keys_in_block = kNumKeysInBlock; |
112 | return record; | |
113 | } | |
114 | ||
115 | void VerifyAccess(BlockCacheTraceReader* reader, uint32_t from_key_id, | |
116 | TraceType block_type, uint32_t nblocks) { | |
117 | assert(reader); | |
118 | for (uint32_t i = 0; i < nblocks; i++) { | |
119 | uint32_t key_id = from_key_id + i; | |
120 | BlockCacheTraceRecord record; | |
121 | ASSERT_OK(reader->ReadAccess(&record)); | |
122 | ASSERT_EQ(block_type, record.block_type); | |
123 | ASSERT_EQ(kBlockSize + key_id, record.block_size); | |
124 | ASSERT_EQ(kBlockKeyPrefix + std::to_string(key_id), record.block_key); | |
125 | ASSERT_EQ(kCFId, record.cf_id); | |
126 | ASSERT_EQ(kDefaultColumnFamilyName, record.cf_name); | |
127 | ASSERT_EQ(GetCaller(key_id), record.caller); | |
128 | ASSERT_EQ(kLevel, record.level); | |
129 | ASSERT_EQ(kSSTFDNumber + key_id, record.sst_fd_number); | |
1e59de90 TL |
130 | ASSERT_FALSE(record.is_cache_hit); |
131 | ASSERT_FALSE(record.no_insert); | |
f67539c2 TL |
132 | if (record.caller == TableReaderCaller::kUserGet || |
133 | record.caller == TableReaderCaller::kUserMultiGet) { | |
134 | ASSERT_EQ(key_id + 1, record.get_id); | |
1e59de90 | 135 | ASSERT_TRUE(record.get_from_user_specified_snapshot); |
f67539c2 TL |
136 | ASSERT_EQ(kRefKeyPrefix + std::to_string(key_id), |
137 | record.referenced_key); | |
138 | } else { | |
139 | ASSERT_EQ(BlockCacheTraceHelper::kReservedGetId, record.get_id); | |
1e59de90 | 140 | ASSERT_FALSE(record.get_from_user_specified_snapshot); |
f67539c2 TL |
141 | ASSERT_EQ("", record.referenced_key); |
142 | } | |
143 | if (block_type == TraceType::kBlockTraceDataBlock && | |
144 | (record.caller == TableReaderCaller::kUserGet || | |
145 | record.caller == TableReaderCaller::kUserMultiGet)) { | |
1e59de90 | 146 | ASSERT_TRUE(record.referenced_key_exist_in_block); |
f67539c2 TL |
147 | ASSERT_EQ(kNumKeysInBlock, record.num_keys_in_block); |
148 | ASSERT_EQ(kReferencedDataSize + key_id, record.referenced_data_size); | |
149 | continue; | |
150 | } | |
1e59de90 | 151 | ASSERT_FALSE(record.referenced_key_exist_in_block); |
f67539c2 TL |
152 | ASSERT_EQ(0, record.num_keys_in_block); |
153 | ASSERT_EQ(0, record.referenced_data_size); | |
154 | } | |
155 | } | |
156 | ||
157 | Env* env_; | |
1e59de90 | 158 | SystemClock* clock_; |
f67539c2 TL |
159 | EnvOptions env_options_; |
160 | std::string trace_file_path_; | |
161 | std::string test_path_; | |
162 | }; | |
163 | ||
164 | TEST_F(BlockCacheTracerTest, AtomicWriteBeforeStartTrace) { | |
165 | BlockCacheTraceRecord record = GenerateAccessRecord(); | |
166 | { | |
167 | std::unique_ptr<TraceWriter> trace_writer; | |
168 | ASSERT_OK(NewFileTraceWriter(env_, env_options_, trace_file_path_, | |
169 | &trace_writer)); | |
170 | BlockCacheTracer writer; | |
171 | // The record should be written to the trace_file since StartTrace is not | |
172 | // called. | |
173 | ASSERT_OK(writer.WriteBlockAccess(record, record.block_key, record.cf_name, | |
174 | record.referenced_key)); | |
175 | ASSERT_OK(env_->FileExists(trace_file_path_)); | |
176 | } | |
177 | { | |
178 | // Verify trace file contains nothing. | |
179 | std::unique_ptr<TraceReader> trace_reader; | |
180 | ASSERT_OK(NewFileTraceReader(env_, env_options_, trace_file_path_, | |
181 | &trace_reader)); | |
182 | BlockCacheTraceReader reader(std::move(trace_reader)); | |
183 | BlockCacheTraceHeader header; | |
184 | ASSERT_NOK(reader.ReadHeader(&header)); | |
185 | } | |
186 | } | |
187 | ||
188 | TEST_F(BlockCacheTracerTest, AtomicWrite) { | |
189 | BlockCacheTraceRecord record = GenerateAccessRecord(); | |
190 | { | |
1e59de90 TL |
191 | BlockCacheTraceWriterOptions trace_writer_opt; |
192 | BlockCacheTraceOptions trace_opt; | |
f67539c2 TL |
193 | std::unique_ptr<TraceWriter> trace_writer; |
194 | ASSERT_OK(NewFileTraceWriter(env_, env_options_, trace_file_path_, | |
195 | &trace_writer)); | |
1e59de90 TL |
196 | std::unique_ptr<BlockCacheTraceWriter> block_cache_trace_writer = |
197 | NewBlockCacheTraceWriter(env_->GetSystemClock().get(), trace_writer_opt, | |
198 | std::move(trace_writer)); | |
199 | ASSERT_NE(block_cache_trace_writer, nullptr); | |
f67539c2 | 200 | BlockCacheTracer writer; |
1e59de90 TL |
201 | ASSERT_OK( |
202 | writer.StartTrace(trace_opt, std::move(block_cache_trace_writer))); | |
f67539c2 TL |
203 | ASSERT_OK(writer.WriteBlockAccess(record, record.block_key, record.cf_name, |
204 | record.referenced_key)); | |
205 | ASSERT_OK(env_->FileExists(trace_file_path_)); | |
206 | } | |
207 | { | |
208 | // Verify trace file contains one record. | |
209 | std::unique_ptr<TraceReader> trace_reader; | |
210 | ASSERT_OK(NewFileTraceReader(env_, env_options_, trace_file_path_, | |
211 | &trace_reader)); | |
212 | BlockCacheTraceReader reader(std::move(trace_reader)); | |
213 | BlockCacheTraceHeader header; | |
214 | ASSERT_OK(reader.ReadHeader(&header)); | |
1e59de90 TL |
215 | ASSERT_EQ(kMajorVersion, static_cast<int>(header.rocksdb_major_version)); |
216 | ASSERT_EQ(kMinorVersion, static_cast<int>(header.rocksdb_minor_version)); | |
f67539c2 TL |
217 | VerifyAccess(&reader, 0, TraceType::kBlockTraceDataBlock, 1); |
218 | ASSERT_NOK(reader.ReadAccess(&record)); | |
219 | } | |
220 | } | |
221 | ||
222 | TEST_F(BlockCacheTracerTest, ConsecutiveStartTrace) { | |
1e59de90 TL |
223 | BlockCacheTraceWriterOptions trace_writer_opt; |
224 | BlockCacheTraceOptions trace_opt; | |
f67539c2 TL |
225 | std::unique_ptr<TraceWriter> trace_writer; |
226 | ASSERT_OK( | |
227 | NewFileTraceWriter(env_, env_options_, trace_file_path_, &trace_writer)); | |
1e59de90 TL |
228 | std::unique_ptr<BlockCacheTraceWriter> block_cache_trace_writer = |
229 | NewBlockCacheTraceWriter(env_->GetSystemClock().get(), trace_writer_opt, | |
230 | std::move(trace_writer)); | |
231 | ASSERT_NE(block_cache_trace_writer, nullptr); | |
f67539c2 | 232 | BlockCacheTracer writer; |
1e59de90 TL |
233 | ASSERT_OK(writer.StartTrace(trace_opt, std::move(block_cache_trace_writer))); |
234 | ASSERT_NOK(writer.StartTrace(trace_opt, std::move(block_cache_trace_writer))); | |
f67539c2 TL |
235 | ASSERT_OK(env_->FileExists(trace_file_path_)); |
236 | } | |
237 | ||
238 | TEST_F(BlockCacheTracerTest, AtomicNoWriteAfterEndTrace) { | |
239 | BlockCacheTraceRecord record = GenerateAccessRecord(); | |
240 | { | |
1e59de90 TL |
241 | BlockCacheTraceWriterOptions trace_writer_opt; |
242 | BlockCacheTraceOptions trace_opt; | |
f67539c2 TL |
243 | std::unique_ptr<TraceWriter> trace_writer; |
244 | ASSERT_OK(NewFileTraceWriter(env_, env_options_, trace_file_path_, | |
245 | &trace_writer)); | |
1e59de90 TL |
246 | std::unique_ptr<BlockCacheTraceWriter> block_cache_trace_writer = |
247 | NewBlockCacheTraceWriter(env_->GetSystemClock().get(), trace_writer_opt, | |
248 | std::move(trace_writer)); | |
249 | ASSERT_NE(block_cache_trace_writer, nullptr); | |
f67539c2 | 250 | BlockCacheTracer writer; |
1e59de90 TL |
251 | ASSERT_OK( |
252 | writer.StartTrace(trace_opt, std::move(block_cache_trace_writer))); | |
f67539c2 TL |
253 | ASSERT_OK(writer.WriteBlockAccess(record, record.block_key, record.cf_name, |
254 | record.referenced_key)); | |
255 | writer.EndTrace(); | |
256 | // Write the record again. This time the record should not be written since | |
257 | // EndTrace is called. | |
258 | ASSERT_OK(writer.WriteBlockAccess(record, record.block_key, record.cf_name, | |
259 | record.referenced_key)); | |
260 | ASSERT_OK(env_->FileExists(trace_file_path_)); | |
261 | } | |
262 | { | |
263 | // Verify trace file contains one record. | |
264 | std::unique_ptr<TraceReader> trace_reader; | |
265 | ASSERT_OK(NewFileTraceReader(env_, env_options_, trace_file_path_, | |
266 | &trace_reader)); | |
267 | BlockCacheTraceReader reader(std::move(trace_reader)); | |
268 | BlockCacheTraceHeader header; | |
269 | ASSERT_OK(reader.ReadHeader(&header)); | |
1e59de90 TL |
270 | ASSERT_EQ(kMajorVersion, static_cast<int>(header.rocksdb_major_version)); |
271 | ASSERT_EQ(kMinorVersion, static_cast<int>(header.rocksdb_minor_version)); | |
f67539c2 TL |
272 | VerifyAccess(&reader, 0, TraceType::kBlockTraceDataBlock, 1); |
273 | ASSERT_NOK(reader.ReadAccess(&record)); | |
274 | } | |
275 | } | |
276 | ||
277 | TEST_F(BlockCacheTracerTest, NextGetId) { | |
278 | BlockCacheTracer writer; | |
279 | { | |
1e59de90 TL |
280 | BlockCacheTraceWriterOptions trace_writer_opt; |
281 | BlockCacheTraceOptions trace_opt; | |
f67539c2 TL |
282 | std::unique_ptr<TraceWriter> trace_writer; |
283 | ASSERT_OK(NewFileTraceWriter(env_, env_options_, trace_file_path_, | |
284 | &trace_writer)); | |
1e59de90 TL |
285 | std::unique_ptr<BlockCacheTraceWriter> block_cache_trace_writer = |
286 | NewBlockCacheTraceWriter(env_->GetSystemClock().get(), trace_writer_opt, | |
287 | std::move(trace_writer)); | |
288 | ASSERT_NE(block_cache_trace_writer, nullptr); | |
f67539c2 TL |
289 | // next get id should always return 0 before we call StartTrace. |
290 | ASSERT_EQ(0, writer.NextGetId()); | |
291 | ASSERT_EQ(0, writer.NextGetId()); | |
1e59de90 TL |
292 | ASSERT_OK( |
293 | writer.StartTrace(trace_opt, std::move(block_cache_trace_writer))); | |
f67539c2 TL |
294 | ASSERT_EQ(1, writer.NextGetId()); |
295 | ASSERT_EQ(2, writer.NextGetId()); | |
296 | writer.EndTrace(); | |
297 | // next get id should return 0. | |
298 | ASSERT_EQ(0, writer.NextGetId()); | |
299 | } | |
300 | ||
301 | // Start trace again and next get id should return 1. | |
302 | { | |
1e59de90 TL |
303 | BlockCacheTraceWriterOptions trace_writer_opt; |
304 | BlockCacheTraceOptions trace_opt; | |
f67539c2 TL |
305 | std::unique_ptr<TraceWriter> trace_writer; |
306 | ASSERT_OK(NewFileTraceWriter(env_, env_options_, trace_file_path_, | |
307 | &trace_writer)); | |
1e59de90 TL |
308 | std::unique_ptr<BlockCacheTraceWriter> block_cache_trace_writer = |
309 | NewBlockCacheTraceWriter(env_->GetSystemClock().get(), trace_writer_opt, | |
310 | std::move(trace_writer)); | |
311 | ASSERT_NE(block_cache_trace_writer, nullptr); | |
312 | ASSERT_OK( | |
313 | writer.StartTrace(trace_opt, std::move(block_cache_trace_writer))); | |
f67539c2 TL |
314 | ASSERT_EQ(1, writer.NextGetId()); |
315 | } | |
316 | } | |
317 | ||
318 | TEST_F(BlockCacheTracerTest, MixedBlocks) { | |
319 | { | |
320 | // Generate a trace file containing a mix of blocks. | |
1e59de90 | 321 | BlockCacheTraceWriterOptions trace_writer_opt; |
f67539c2 TL |
322 | std::unique_ptr<TraceWriter> trace_writer; |
323 | ASSERT_OK(NewFileTraceWriter(env_, env_options_, trace_file_path_, | |
324 | &trace_writer)); | |
1e59de90 TL |
325 | std::unique_ptr<BlockCacheTraceWriter> block_cache_trace_writer = |
326 | NewBlockCacheTraceWriter(env_->GetSystemClock().get(), trace_writer_opt, | |
327 | std::move(trace_writer)); | |
328 | ASSERT_NE(block_cache_trace_writer, nullptr); | |
329 | ASSERT_OK(block_cache_trace_writer->WriteHeader()); | |
f67539c2 | 330 | // Write blocks of different types. |
1e59de90 TL |
331 | WriteBlockAccess(block_cache_trace_writer.get(), 0, |
332 | TraceType::kBlockTraceUncompressionDictBlock, 10); | |
333 | WriteBlockAccess(block_cache_trace_writer.get(), 10, | |
334 | TraceType::kBlockTraceDataBlock, 10); | |
335 | WriteBlockAccess(block_cache_trace_writer.get(), 20, | |
336 | TraceType::kBlockTraceFilterBlock, 10); | |
337 | WriteBlockAccess(block_cache_trace_writer.get(), 30, | |
338 | TraceType::kBlockTraceIndexBlock, 10); | |
339 | WriteBlockAccess(block_cache_trace_writer.get(), 40, | |
340 | TraceType::kBlockTraceRangeDeletionBlock, 10); | |
f67539c2 TL |
341 | ASSERT_OK(env_->FileExists(trace_file_path_)); |
342 | } | |
343 | ||
344 | { | |
345 | // Verify trace file is generated correctly. | |
346 | std::unique_ptr<TraceReader> trace_reader; | |
347 | ASSERT_OK(NewFileTraceReader(env_, env_options_, trace_file_path_, | |
348 | &trace_reader)); | |
349 | BlockCacheTraceReader reader(std::move(trace_reader)); | |
350 | BlockCacheTraceHeader header; | |
351 | ASSERT_OK(reader.ReadHeader(&header)); | |
1e59de90 TL |
352 | ASSERT_EQ(kMajorVersion, static_cast<int>(header.rocksdb_major_version)); |
353 | ASSERT_EQ(kMinorVersion, static_cast<int>(header.rocksdb_minor_version)); | |
f67539c2 TL |
354 | // Read blocks. |
355 | VerifyAccess(&reader, 0, TraceType::kBlockTraceUncompressionDictBlock, 10); | |
356 | VerifyAccess(&reader, 10, TraceType::kBlockTraceDataBlock, 10); | |
357 | VerifyAccess(&reader, 20, TraceType::kBlockTraceFilterBlock, 10); | |
358 | VerifyAccess(&reader, 30, TraceType::kBlockTraceIndexBlock, 10); | |
359 | VerifyAccess(&reader, 40, TraceType::kBlockTraceRangeDeletionBlock, 10); | |
360 | // Read one more record should report an error. | |
361 | BlockCacheTraceRecord record; | |
362 | ASSERT_NOK(reader.ReadAccess(&record)); | |
363 | } | |
364 | } | |
365 | ||
366 | TEST_F(BlockCacheTracerTest, HumanReadableTrace) { | |
367 | BlockCacheTraceRecord record = GenerateAccessRecord(); | |
368 | record.get_id = 1; | |
369 | record.referenced_key = ""; | |
370 | record.caller = TableReaderCaller::kUserGet; | |
1e59de90 | 371 | record.get_from_user_specified_snapshot = true; |
f67539c2 TL |
372 | record.referenced_data_size = kReferencedDataSize; |
373 | PutFixed32(&record.referenced_key, 111); | |
374 | PutLengthPrefixedSlice(&record.referenced_key, "get_key"); | |
375 | PutFixed64(&record.referenced_key, 2 << 8); | |
376 | PutLengthPrefixedSlice(&record.block_key, "block_key"); | |
377 | PutVarint64(&record.block_key, 333); | |
378 | { | |
379 | // Generate a human readable trace file. | |
380 | BlockCacheHumanReadableTraceWriter writer; | |
381 | ASSERT_OK(writer.NewWritableFile(trace_file_path_, env_)); | |
382 | ASSERT_OK(writer.WriteHumanReadableTraceRecord(record, 1, 1)); | |
383 | ASSERT_OK(env_->FileExists(trace_file_path_)); | |
384 | } | |
385 | { | |
386 | BlockCacheHumanReadableTraceReader reader(trace_file_path_); | |
387 | BlockCacheTraceHeader header; | |
388 | BlockCacheTraceRecord read_record; | |
389 | ASSERT_OK(reader.ReadHeader(&header)); | |
390 | ASSERT_OK(reader.ReadAccess(&read_record)); | |
391 | ASSERT_EQ(TraceType::kBlockTraceDataBlock, read_record.block_type); | |
392 | ASSERT_EQ(kBlockSize, read_record.block_size); | |
393 | ASSERT_EQ(kCFId, read_record.cf_id); | |
394 | ASSERT_EQ(kDefaultColumnFamilyName, read_record.cf_name); | |
395 | ASSERT_EQ(TableReaderCaller::kUserGet, read_record.caller); | |
396 | ASSERT_EQ(kLevel, read_record.level); | |
397 | ASSERT_EQ(kSSTFDNumber, read_record.sst_fd_number); | |
1e59de90 TL |
398 | ASSERT_FALSE(read_record.is_cache_hit); |
399 | ASSERT_FALSE(read_record.no_insert); | |
f67539c2 | 400 | ASSERT_EQ(1, read_record.get_id); |
1e59de90 TL |
401 | ASSERT_TRUE(read_record.get_from_user_specified_snapshot); |
402 | ASSERT_TRUE(read_record.referenced_key_exist_in_block); | |
f67539c2 TL |
403 | ASSERT_EQ(kNumKeysInBlock, read_record.num_keys_in_block); |
404 | ASSERT_EQ(kReferencedDataSize, read_record.referenced_data_size); | |
405 | ASSERT_EQ(record.block_key.size(), read_record.block_key.size()); | |
406 | ASSERT_EQ(record.referenced_key.size(), record.referenced_key.size()); | |
407 | ASSERT_EQ(112, BlockCacheTraceHelper::GetTableId(read_record)); | |
408 | ASSERT_EQ(3, BlockCacheTraceHelper::GetSequenceNumber(read_record)); | |
409 | ASSERT_EQ(333, BlockCacheTraceHelper::GetBlockOffsetInFile(read_record)); | |
410 | // Read again should fail. | |
411 | ASSERT_NOK(reader.ReadAccess(&read_record)); | |
412 | } | |
413 | } | |
414 | ||
415 | } // namespace ROCKSDB_NAMESPACE | |
416 | ||
417 | int main(int argc, char** argv) { | |
1e59de90 | 418 | ROCKSDB_NAMESPACE::port::InstallStackTraceHandler(); |
f67539c2 TL |
419 | ::testing::InitGoogleTest(&argc, argv); |
420 | return RUN_ALL_TESTS(); | |
421 | } |