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Double Encryption Release , Full Anonymity Release , Version Bumped 2…
….0.7 , NavajoCoin State-of-the-Art Anonymous Technology Released , SSL Secured.
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| Original file line number | Diff line number | Diff line change |
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@@ -6,6 +6,7 @@ build_config.mk | |
| *.so.* | ||
| *_test | ||
| db_bench | ||
| leveldbutil | ||
| Release | ||
| Debug | ||
| Benchmark | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,118 @@ | ||
| // Copyright (c) 2013 The LevelDB Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style license that can be | ||
| // found in the LICENSE file. See the AUTHORS file for names of contributors. | ||
|
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| #include "leveldb/db.h" | ||
| #include "db/db_impl.h" | ||
| #include "leveldb/cache.h" | ||
| #include "util/testharness.h" | ||
| #include "util/testutil.h" | ||
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| namespace leveldb { | ||
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| class AutoCompactTest { | ||
| public: | ||
| std::string dbname_; | ||
| Cache* tiny_cache_; | ||
| Options options_; | ||
| DB* db_; | ||
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| AutoCompactTest() { | ||
| dbname_ = test::TmpDir() + "/autocompact_test"; | ||
| tiny_cache_ = NewLRUCache(100); | ||
| options_.block_cache = tiny_cache_; | ||
| DestroyDB(dbname_, options_); | ||
| options_.create_if_missing = true; | ||
| options_.compression = kNoCompression; | ||
| ASSERT_OK(DB::Open(options_, dbname_, &db_)); | ||
| } | ||
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| ~AutoCompactTest() { | ||
| delete db_; | ||
| DestroyDB(dbname_, Options()); | ||
| delete tiny_cache_; | ||
| } | ||
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| std::string Key(int i) { | ||
| char buf[100]; | ||
| snprintf(buf, sizeof(buf), "key%06d", i); | ||
| return std::string(buf); | ||
| } | ||
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| uint64_t Size(const Slice& start, const Slice& limit) { | ||
| Range r(start, limit); | ||
| uint64_t size; | ||
| db_->GetApproximateSizes(&r, 1, &size); | ||
| return size; | ||
| } | ||
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| void DoReads(int n); | ||
| }; | ||
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| static const int kValueSize = 200 * 1024; | ||
| static const int kTotalSize = 100 * 1024 * 1024; | ||
| static const int kCount = kTotalSize / kValueSize; | ||
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| // Read through the first n keys repeatedly and check that they get | ||
| // compacted (verified by checking the size of the key space). | ||
| void AutoCompactTest::DoReads(int n) { | ||
| std::string value(kValueSize, 'x'); | ||
| DBImpl* dbi = reinterpret_cast<DBImpl*>(db_); | ||
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| // Fill database | ||
| for (int i = 0; i < kCount; i++) { | ||
| ASSERT_OK(db_->Put(WriteOptions(), Key(i), value)); | ||
| } | ||
| ASSERT_OK(dbi->TEST_CompactMemTable()); | ||
|
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| // Delete everything | ||
| for (int i = 0; i < kCount; i++) { | ||
| ASSERT_OK(db_->Delete(WriteOptions(), Key(i))); | ||
| } | ||
| ASSERT_OK(dbi->TEST_CompactMemTable()); | ||
|
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| // Get initial measurement of the space we will be reading. | ||
| const int64_t initial_size = Size(Key(0), Key(n)); | ||
| const int64_t initial_other_size = Size(Key(n), Key(kCount)); | ||
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| // Read until size drops significantly. | ||
| std::string limit_key = Key(n); | ||
| for (int read = 0; true; read++) { | ||
| ASSERT_LT(read, 100) << "Taking too long to compact"; | ||
| Iterator* iter = db_->NewIterator(ReadOptions()); | ||
| for (iter->SeekToFirst(); | ||
| iter->Valid() && iter->key().ToString() < limit_key; | ||
| iter->Next()) { | ||
| // Drop data | ||
| } | ||
| delete iter; | ||
| // Wait a little bit to allow any triggered compactions to complete. | ||
| Env::Default()->SleepForMicroseconds(1000000); | ||
| uint64_t size = Size(Key(0), Key(n)); | ||
| fprintf(stderr, "iter %3d => %7.3f MB [other %7.3f MB]\n", | ||
| read+1, size/1048576.0, Size(Key(n), Key(kCount))/1048576.0); | ||
| if (size <= initial_size/10) { | ||
| break; | ||
| } | ||
| } | ||
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| // Verify that the size of the key space not touched by the reads | ||
| // is pretty much unchanged. | ||
| const int64_t final_other_size = Size(Key(n), Key(kCount)); | ||
| ASSERT_LE(final_other_size, initial_other_size + 1048576); | ||
| ASSERT_GE(final_other_size, initial_other_size/5 - 1048576); | ||
| } | ||
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| TEST(AutoCompactTest, ReadAll) { | ||
| DoReads(kCount); | ||
| } | ||
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| TEST(AutoCompactTest, ReadHalf) { | ||
| DoReads(kCount/2); | ||
| } | ||
|
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| } // namespace leveldb | ||
|
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| int main(int argc, char** argv) { | ||
| return leveldb::test::RunAllTests(); | ||
| } |
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