fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
336 lines
10 KiB
336 lines
10 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
//
|
|
// Copyright (c) 2011 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.
|
|
|
|
#include <unordered_set>
|
|
#include <vector>
|
|
|
|
#include "db/db_test_util.h"
|
|
#include "port/stack_trace.h"
|
|
#include "rocksdb/db.h"
|
|
#include "rocksdb/utilities/table_properties_collectors.h"
|
|
#include "util/testharness.h"
|
|
#include "util/testutil.h"
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
|
|
namespace rocksdb {
|
|
|
|
// A helper function that ensures the table properties returned in
|
|
// `GetPropertiesOfAllTablesTest` is correct.
|
|
// This test assumes entries size is different for each of the tables.
|
|
namespace {
|
|
|
|
void VerifyTableProperties(DB* db, uint64_t expected_entries_size) {
|
|
TablePropertiesCollection props;
|
|
ASSERT_OK(db->GetPropertiesOfAllTables(&props));
|
|
|
|
ASSERT_EQ(4U, props.size());
|
|
std::unordered_set<uint64_t> unique_entries;
|
|
|
|
// Indirect test
|
|
uint64_t sum = 0;
|
|
for (const auto& item : props) {
|
|
unique_entries.insert(item.second->num_entries);
|
|
sum += item.second->num_entries;
|
|
}
|
|
|
|
ASSERT_EQ(props.size(), unique_entries.size());
|
|
ASSERT_EQ(expected_entries_size, sum);
|
|
}
|
|
} // namespace
|
|
|
|
class DBTablePropertiesTest : public DBTestBase {
|
|
public:
|
|
DBTablePropertiesTest() : DBTestBase("/db_table_properties_test") {}
|
|
TablePropertiesCollection TestGetPropertiesOfTablesInRange(
|
|
std::vector<Range> ranges, std::size_t* num_properties = nullptr,
|
|
std::size_t* num_files = nullptr);
|
|
};
|
|
|
|
TEST_F(DBTablePropertiesTest, GetPropertiesOfAllTablesTest) {
|
|
Options options = CurrentOptions();
|
|
options.level0_file_num_compaction_trigger = 8;
|
|
Reopen(options);
|
|
// Create 4 tables
|
|
for (int table = 0; table < 4; ++table) {
|
|
for (int i = 0; i < 10 + table; ++i) {
|
|
db_->Put(WriteOptions(), ToString(table * 100 + i), "val");
|
|
}
|
|
db_->Flush(FlushOptions());
|
|
}
|
|
|
|
// 1. Read table properties directly from file
|
|
Reopen(options);
|
|
VerifyTableProperties(db_, 10 + 11 + 12 + 13);
|
|
|
|
// 2. Put two tables to table cache and
|
|
Reopen(options);
|
|
// fetch key from 1st and 2nd table, which will internally place that table to
|
|
// the table cache.
|
|
for (int i = 0; i < 2; ++i) {
|
|
Get(ToString(i * 100 + 0));
|
|
}
|
|
|
|
VerifyTableProperties(db_, 10 + 11 + 12 + 13);
|
|
|
|
// 3. Put all tables to table cache
|
|
Reopen(options);
|
|
// fetch key from 1st and 2nd table, which will internally place that table to
|
|
// the table cache.
|
|
for (int i = 0; i < 4; ++i) {
|
|
Get(ToString(i * 100 + 0));
|
|
}
|
|
VerifyTableProperties(db_, 10 + 11 + 12 + 13);
|
|
}
|
|
|
|
TablePropertiesCollection
|
|
DBTablePropertiesTest::TestGetPropertiesOfTablesInRange(
|
|
std::vector<Range> ranges, std::size_t* num_properties,
|
|
std::size_t* num_files) {
|
|
|
|
// Since we deref zero element in the vector it can not be empty
|
|
// otherwise we pass an address to some random memory
|
|
EXPECT_GT(ranges.size(), 0U);
|
|
// run the query
|
|
TablePropertiesCollection props;
|
|
EXPECT_OK(db_->GetPropertiesOfTablesInRange(
|
|
db_->DefaultColumnFamily(), &ranges[0], ranges.size(), &props));
|
|
|
|
// Make sure that we've received properties for those and for those files
|
|
// only which fall within requested ranges
|
|
std::vector<LiveFileMetaData> vmd;
|
|
db_->GetLiveFilesMetaData(&vmd);
|
|
for (auto& md : vmd) {
|
|
std::string fn = md.db_path + md.name;
|
|
bool in_range = false;
|
|
for (auto& r : ranges) {
|
|
// smallestkey < limit && largestkey >= start
|
|
if (r.limit.compare(md.smallestkey) >= 0 &&
|
|
r.start.compare(md.largestkey) <= 0) {
|
|
in_range = true;
|
|
EXPECT_GT(props.count(fn), 0);
|
|
}
|
|
}
|
|
if (!in_range) {
|
|
EXPECT_EQ(props.count(fn), 0);
|
|
}
|
|
}
|
|
|
|
if (num_properties) {
|
|
*num_properties = props.size();
|
|
}
|
|
|
|
if (num_files) {
|
|
*num_files = vmd.size();
|
|
}
|
|
return props;
|
|
}
|
|
|
|
TEST_F(DBTablePropertiesTest, GetPropertiesOfTablesInRange) {
|
|
// Fixed random sead
|
|
Random rnd(301);
|
|
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
options.write_buffer_size = 4096;
|
|
options.max_write_buffer_number = 2;
|
|
options.level0_file_num_compaction_trigger = 2;
|
|
options.level0_slowdown_writes_trigger = 2;
|
|
options.level0_stop_writes_trigger = 2;
|
|
options.target_file_size_base = 2048;
|
|
options.max_bytes_for_level_base = 40960;
|
|
options.max_bytes_for_level_multiplier = 4;
|
|
options.hard_pending_compaction_bytes_limit = 16 * 1024;
|
|
options.num_levels = 8;
|
|
options.env = env_;
|
|
|
|
DestroyAndReopen(options);
|
|
|
|
// build a decent LSM
|
|
for (int i = 0; i < 10000; i++) {
|
|
ASSERT_OK(Put(test::RandomKey(&rnd, 5), RandomString(&rnd, 102)));
|
|
}
|
|
Flush();
|
|
dbfull()->TEST_WaitForCompact();
|
|
if (NumTableFilesAtLevel(0) == 0) {
|
|
ASSERT_OK(Put(test::RandomKey(&rnd, 5), RandomString(&rnd, 102)));
|
|
Flush();
|
|
}
|
|
|
|
db_->PauseBackgroundWork();
|
|
|
|
// Ensure that we have at least L0, L1 and L2
|
|
ASSERT_GT(NumTableFilesAtLevel(0), 0);
|
|
ASSERT_GT(NumTableFilesAtLevel(1), 0);
|
|
ASSERT_GT(NumTableFilesAtLevel(2), 0);
|
|
|
|
// Query the largest range
|
|
std::size_t num_properties, num_files;
|
|
TestGetPropertiesOfTablesInRange(
|
|
{Range(test::RandomKey(&rnd, 5, test::RandomKeyType::SMALLEST),
|
|
test::RandomKey(&rnd, 5, test::RandomKeyType::LARGEST))},
|
|
&num_properties, &num_files);
|
|
ASSERT_EQ(num_properties, num_files);
|
|
|
|
// Query the empty range
|
|
TestGetPropertiesOfTablesInRange(
|
|
{Range(test::RandomKey(&rnd, 5, test::RandomKeyType::LARGEST),
|
|
test::RandomKey(&rnd, 5, test::RandomKeyType::SMALLEST))},
|
|
&num_properties, &num_files);
|
|
ASSERT_GT(num_files, 0);
|
|
ASSERT_EQ(num_properties, 0);
|
|
|
|
// Query the middle rangee
|
|
TestGetPropertiesOfTablesInRange(
|
|
{Range(test::RandomKey(&rnd, 5, test::RandomKeyType::MIDDLE),
|
|
test::RandomKey(&rnd, 5, test::RandomKeyType::LARGEST))},
|
|
&num_properties, &num_files);
|
|
ASSERT_GT(num_files, 0);
|
|
ASSERT_GT(num_files, num_properties);
|
|
ASSERT_GT(num_properties, 0);
|
|
|
|
// Query a bunch of random ranges
|
|
for (int j = 0; j < 100; j++) {
|
|
// create a bunch of ranges
|
|
std::vector<std::string> random_keys;
|
|
// Random returns numbers with zero included
|
|
// when we pass empty ranges TestGetPropertiesOfTablesInRange()
|
|
// derefs random memory in the empty ranges[0]
|
|
// so want to be greater than zero and even since
|
|
// the below loop requires that random_keys.size() to be even.
|
|
auto n = 2 * (rnd.Uniform(50) + 1);
|
|
|
|
for (uint32_t i = 0; i < n; ++i) {
|
|
random_keys.push_back(test::RandomKey(&rnd, 5));
|
|
}
|
|
|
|
ASSERT_GT(random_keys.size(), 0U);
|
|
ASSERT_EQ((random_keys.size() % 2), 0U);
|
|
|
|
std::vector<Range> ranges;
|
|
auto it = random_keys.begin();
|
|
while (it != random_keys.end()) {
|
|
ranges.push_back(Range(*it, *(it + 1)));
|
|
it += 2;
|
|
}
|
|
|
|
TestGetPropertiesOfTablesInRange(std::move(ranges));
|
|
}
|
|
}
|
|
|
|
TEST_F(DBTablePropertiesTest, GetColumnFamilyNameProperty) {
|
|
std::string kExtraCfName = "pikachu";
|
|
CreateAndReopenWithCF({kExtraCfName}, CurrentOptions());
|
|
|
|
// Create one table per CF, then verify it was created with the column family
|
|
// name property.
|
|
for (int cf = 0; cf < 2; ++cf) {
|
|
Put(cf, "key", "val");
|
|
Flush(cf);
|
|
|
|
TablePropertiesCollection fname_to_props;
|
|
ASSERT_OK(db_->GetPropertiesOfAllTables(handles_[cf], &fname_to_props));
|
|
ASSERT_EQ(1U, fname_to_props.size());
|
|
|
|
std::string expected_cf_name;
|
|
if (cf > 0) {
|
|
expected_cf_name = kExtraCfName;
|
|
} else {
|
|
expected_cf_name = kDefaultColumnFamilyName;
|
|
}
|
|
ASSERT_EQ(expected_cf_name,
|
|
fname_to_props.begin()->second->column_family_name);
|
|
ASSERT_EQ(cf, static_cast<uint32_t>(
|
|
fname_to_props.begin()->second->column_family_id));
|
|
}
|
|
}
|
|
|
|
TEST_F(DBTablePropertiesTest, DeletionTriggeredCompactionMarking) {
|
|
int kNumKeys = 1000;
|
|
int kWindowSize = 100;
|
|
int kNumDelsTrigger = 90;
|
|
std::shared_ptr<TablePropertiesCollectorFactory> compact_on_del =
|
|
NewCompactOnDeletionCollectorFactory(kWindowSize, kNumDelsTrigger);
|
|
|
|
Options opts = CurrentOptions();
|
|
opts.table_properties_collector_factories.emplace_back(compact_on_del);
|
|
Reopen(opts);
|
|
|
|
// add an L1 file to prevent tombstones from dropping due to obsolescence
|
|
// during flush
|
|
Put(Key(0), "val");
|
|
Flush();
|
|
MoveFilesToLevel(1);
|
|
|
|
for (int i = 0; i < kNumKeys; ++i) {
|
|
if (i >= kNumKeys - kWindowSize &&
|
|
i < kNumKeys - kWindowSize + kNumDelsTrigger) {
|
|
Delete(Key(i));
|
|
} else {
|
|
Put(Key(i), "val");
|
|
}
|
|
}
|
|
Flush();
|
|
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_EQ(0, NumTableFilesAtLevel(0));
|
|
ASSERT_GT(NumTableFilesAtLevel(1), 0);
|
|
|
|
// Change the window size and deletion trigger and ensure new values take
|
|
// effect
|
|
kWindowSize = 50;
|
|
kNumDelsTrigger = 40;
|
|
static_cast<CompactOnDeletionCollectorFactory*>
|
|
(compact_on_del.get())->SetWindowSize(kWindowSize);
|
|
static_cast<CompactOnDeletionCollectorFactory*>
|
|
(compact_on_del.get())->SetDeletionTrigger(kNumDelsTrigger);
|
|
for (int i = 0; i < kNumKeys; ++i) {
|
|
if (i >= kNumKeys - kWindowSize &&
|
|
i < kNumKeys - kWindowSize + kNumDelsTrigger) {
|
|
Delete(Key(i));
|
|
} else {
|
|
Put(Key(i), "val");
|
|
}
|
|
}
|
|
Flush();
|
|
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_EQ(0, NumTableFilesAtLevel(0));
|
|
ASSERT_GT(NumTableFilesAtLevel(1), 0);
|
|
|
|
// Change the window size to disable delete triggered compaction
|
|
kWindowSize = 0;
|
|
static_cast<CompactOnDeletionCollectorFactory*>
|
|
(compact_on_del.get())->SetWindowSize(kWindowSize);
|
|
static_cast<CompactOnDeletionCollectorFactory*>
|
|
(compact_on_del.get())->SetDeletionTrigger(kNumDelsTrigger);
|
|
for (int i = 0; i < kNumKeys; ++i) {
|
|
if (i >= kNumKeys - kWindowSize &&
|
|
i < kNumKeys - kWindowSize + kNumDelsTrigger) {
|
|
Delete(Key(i));
|
|
} else {
|
|
Put(Key(i), "val");
|
|
}
|
|
}
|
|
Flush();
|
|
|
|
dbfull()->TEST_WaitForCompact();
|
|
ASSERT_EQ(1, NumTableFilesAtLevel(0));
|
|
|
|
}
|
|
|
|
} // namespace rocksdb
|
|
|
|
#endif // ROCKSDB_LITE
|
|
|
|
int main(int argc, char** argv) {
|
|
rocksdb::port::InstallStackTraceHandler();
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|
|
|