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Test log storage instead of changelog

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This commit is contained in:
alesapin 2021-02-17 11:00:17 +03:00
parent dfaa79b88e
commit af95db2fcf
4 changed files with 218 additions and 124 deletions
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7
src/Coordination/Changelog.cpp
View File

@ -212,6 +212,8 @@ Changelog::Changelog(const std::string & changelogs_dir_, size_t rotate_interval
void Changelog::readChangelogAndInitWriter(size_t from_log_idx)
{
size_t read_from_last = 0;
start_index = from_log_idx == 0 ? 1 : from_log_idx;
size_t total_read = 0;
for (const auto & [start_id, changelog_file] : existing_changelogs)
{
ChangelogName parsed_name = getChangelogName(changelog_file);
@ -219,11 +221,10 @@ void Changelog::readChangelogAndInitWriter(size_t from_log_idx)
{
ChangelogReader reader(changelog_file);
read_from_last = reader.readChangelog(logs, from_log_idx, index_to_start_pos);
total_read += read_from_last;
}
}
start_index = from_log_idx == 0 ? 1 : from_log_idx;
if (existing_changelogs.size() > 0 && read_from_last < rotate_interval)
{
auto str_name = existing_changelogs.rbegin()->second;
@ -233,7 +234,7 @@ void Changelog::readChangelogAndInitWriter(size_t from_log_idx)
}
else
{
rotate(start_index);
rotate(start_index + total_read);
}
}

6
src/Coordination/NuKeeperLogStore.cpp
View File

@ -94,4 +94,10 @@ void NuKeeperLogStore::apply_pack(size_t index, nuraft::buffer & pack)
changelog.applyEntriesFromBuffer(index, pack);
}
size_t NuKeeperLogStore::size() const
{
std::lock_guard lock(changelog_lock);
return changelog.size();
}
}

2
src/Coordination/NuKeeperLogStore.h
View File

@ -39,6 +39,8 @@ public:
bool flush() override;
size_t size() const;
private:
mutable std::mutex changelog_lock;
Changelog changelog;

327
src/Coordination/tests/gtest_for_build.cpp
View File

@ -114,10 +114,10 @@ struct SimpliestRaftServer
if (!raft_instance)
{
std::cerr << "Failed to initialize launcher (see the message "
"in the log file)." << std::endl;
std::cerr << "Failed to initialize launcher" << std::endl;
exit(-1);
}
std::cout << "init Raft instance " << server_id;
for (size_t ii = 0; ii < 20; ++ii)
{
@ -370,33 +370,33 @@ DB::LogEntryPtr getLogEntry(const std::string & s, size_t term)
TEST(CoordinationTest, ChangelogTestSimple)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 5);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
auto entry = getLogEntry("hello world", 77);
changelog.appendEntry(1, entry);
EXPECT_EQ(changelog.getNextEntryIndex(), 2);
EXPECT_EQ(changelog.getStartIndex(), 1);
EXPECT_EQ(changelog.getLastEntry()->get_term(), 77);
EXPECT_EQ(changelog.entryAt(1)->get_term(), 77);
EXPECT_EQ(changelog.getLogEntriesBetween(1, 2)->size(), 1);
changelog.append(entry);
EXPECT_EQ(changelog.next_slot(), 2);
EXPECT_EQ(changelog.start_index(), 1);
EXPECT_EQ(changelog.last_entry()->get_term(), 77);
EXPECT_EQ(changelog.entry_at(1)->get_term(), 77);
EXPECT_EQ(changelog.log_entries(1, 2)->size(), 1);
}
TEST(CoordinationTest, ChangelogTestFile)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 5);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
auto entry = getLogEntry("hello world", 77);
changelog.appendEntry(1, entry);
changelog.append(entry);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
for (const auto & p : fs::directory_iterator("./logs"))
EXPECT_EQ(p.path(), "./logs/changelog_1_5.bin");
changelog.appendEntry(2, entry);
changelog.appendEntry(3, entry);
changelog.appendEntry(4, entry);
changelog.appendEntry(5, entry);
changelog.appendEntry(6, entry);
changelog.append(entry);
changelog.append(entry);
changelog.append(entry);
changelog.append(entry);
changelog.append(entry);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
@ -405,26 +405,26 @@ TEST(CoordinationTest, ChangelogTestFile)
TEST(CoordinationTest, ChangelogReadWrite)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 1000);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 1000);
changelog.init(1);
for (size_t i = 0; i < 10; ++i)
{
auto entry = getLogEntry("hello world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 10);
DB::Changelog changelog_reader("./logs", 1000);
changelog_reader.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog_reader("./logs", 1000);
changelog_reader.init(1);
EXPECT_EQ(changelog_reader.size(), 10);
EXPECT_EQ(changelog_reader.getLastEntry()->get_term(), changelog.getLastEntry()->get_term());
EXPECT_EQ(changelog_reader.getStartIndex(), changelog.getStartIndex());
EXPECT_EQ(changelog_reader.getNextEntryIndex(), changelog.getNextEntryIndex());
EXPECT_EQ(changelog_reader.last_entry()->get_term(), changelog.last_entry()->get_term());
EXPECT_EQ(changelog_reader.start_index(), changelog.start_index());
EXPECT_EQ(changelog_reader.next_slot(), changelog.next_slot());
for (size_t i = 0; i < 10; ++i)
EXPECT_EQ(changelog_reader.entryAt(i + 1)->get_term(), changelog.entryAt(i + 1)->get_term());
EXPECT_EQ(changelog_reader.entry_at(i + 1)->get_term(), changelog.entry_at(i + 1)->get_term());
auto entries_from_range_read = changelog_reader.getLogEntriesBetween(1, 11);
auto entries_from_range = changelog.getLogEntriesBetween(1, 11);
auto entries_from_range_read = changelog_reader.log_entries(1, 11);
auto entries_from_range = changelog.log_entries(1, 11);
EXPECT_EQ(entries_from_range_read->size(), entries_from_range->size());
EXPECT_EQ(10, entries_from_range->size());
}
@ -432,55 +432,55 @@ TEST(CoordinationTest, ChangelogReadWrite)
TEST(CoordinationTest, ChangelogWriteAt)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 1000);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 1000);
changelog.init(1);
for (size_t i = 0; i < 10; ++i)
{
auto entry = getLogEntry("hello world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 10);
auto entry = getLogEntry("writer", 77);
changelog.writeAt(7, entry);
changelog.write_at(7, entry);
EXPECT_EQ(changelog.size(), 7);
EXPECT_EQ(changelog.getLastEntry()->get_term(), 77);
EXPECT_EQ(changelog.entryAt(7)->get_term(), 77);
EXPECT_EQ(changelog.getNextEntryIndex(), 8);
EXPECT_EQ(changelog.last_entry()->get_term(), 77);
EXPECT_EQ(changelog.entry_at(7)->get_term(), 77);
EXPECT_EQ(changelog.next_slot(), 8);
DB::Changelog changelog_reader("./logs", 1000);
changelog_reader.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog_reader("./logs", 1000);
changelog_reader.init(1);
EXPECT_EQ(changelog_reader.size(), changelog.size());
EXPECT_EQ(changelog_reader.getLastEntry()->get_term(), changelog.getLastEntry()->get_term());
EXPECT_EQ(changelog_reader.getStartIndex(), changelog.getStartIndex());
EXPECT_EQ(changelog_reader.getNextEntryIndex(), changelog.getNextEntryIndex());
EXPECT_EQ(changelog_reader.last_entry()->get_term(), changelog.last_entry()->get_term());
EXPECT_EQ(changelog_reader.start_index(), changelog.start_index());
EXPECT_EQ(changelog_reader.next_slot(), changelog.next_slot());
}
TEST(CoordinationTest, ChangelogTestAppendAfterRead)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 5);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
for (size_t i = 0; i < 7; ++i)
{
auto entry = getLogEntry("hello world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 7);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
DB::Changelog changelog_reader("./logs", 5);
changelog_reader.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog_reader("./logs", 5);
changelog_reader.init(1);
EXPECT_EQ(changelog_reader.size(), 7);
for (size_t i = 7; i < 10; ++i)
{
auto entry = getLogEntry("hello world", i * 10);
changelog_reader.appendEntry(changelog_reader.getNextEntryIndex(), entry);
changelog_reader.append(entry);
}
EXPECT_EQ(changelog_reader.size(), 10);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
@ -493,7 +493,7 @@ TEST(CoordinationTest, ChangelogTestAppendAfterRead)
EXPECT_EQ(logs_count, 2);
auto entry = getLogEntry("someentry", 77);
changelog_reader.appendEntry(changelog_reader.getNextEntryIndex(), entry);
changelog_reader.append(entry);
EXPECT_EQ(changelog_reader.size(), 11);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
@ -509,13 +509,13 @@ TEST(CoordinationTest, ChangelogTestAppendAfterRead)
TEST(CoordinationTest, ChangelogTestCompaction)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 5);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
for (size_t i = 0; i < 3; ++i)
{
auto entry = getLogEntry("hello world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 3);
@ -523,15 +523,19 @@ TEST(CoordinationTest, ChangelogTestCompaction)
changelog.compact(2);
EXPECT_EQ(changelog.size(), 1);
EXPECT_EQ(changelog.getStartIndex(), 3);
EXPECT_EQ(changelog.getNextEntryIndex(), 4);
EXPECT_EQ(changelog.getLastEntry()->get_term(), 20);
EXPECT_EQ(changelog.start_index(), 3);
EXPECT_EQ(changelog.next_slot(), 4);
EXPECT_EQ(changelog.last_entry()->get_term(), 20);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
changelog.appendEntry(changelog.getNextEntryIndex(), getLogEntry("hello world", 30));
changelog.appendEntry(changelog.getNextEntryIndex(), getLogEntry("hello world", 40));
changelog.appendEntry(changelog.getNextEntryIndex(), getLogEntry("hello world", 50));
changelog.appendEntry(changelog.getNextEntryIndex(), getLogEntry("hello world", 60));
auto e1 = getLogEntry("hello world", 30);
changelog.append(e1);
auto e2 = getLogEntry("hello world", 40);
changelog.append(e2);
auto e3 = getLogEntry("hello world", 50);
changelog.append(e3);
auto e4 = getLogEntry("hello world", 60);
changelog.append(e4);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
@ -542,109 +546,110 @@ TEST(CoordinationTest, ChangelogTestCompaction)
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
EXPECT_EQ(changelog.size(), 1);
EXPECT_EQ(changelog.getStartIndex(), 7);
EXPECT_EQ(changelog.getNextEntryIndex(), 8);
EXPECT_EQ(changelog.getLastEntry()->get_term(), 60);
EXPECT_EQ(changelog.start_index(), 7);
EXPECT_EQ(changelog.next_slot(), 8);
EXPECT_EQ(changelog.last_entry()->get_term(), 60);
/// And we able to read it
DB::Changelog changelog_reader("./logs", 5);
changelog_reader.readChangelogAndInitWriter(7);
DB::NuKeeperLogStore changelog_reader("./logs", 5);
changelog_reader.init(7);
EXPECT_EQ(changelog_reader.size(), 1);
EXPECT_EQ(changelog_reader.getStartIndex(), 7);
EXPECT_EQ(changelog_reader.getNextEntryIndex(), 8);
EXPECT_EQ(changelog_reader.getLastEntry()->get_term(), 60);
EXPECT_EQ(changelog_reader.start_index(), 7);
EXPECT_EQ(changelog_reader.next_slot(), 8);
EXPECT_EQ(changelog_reader.last_entry()->get_term(), 60);
}
TEST(CoordinationTest, ChangelogTestBatchOperations)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 100);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 100);
changelog.init(1);
for (size_t i = 0; i < 10; ++i)
{
auto entry = getLogEntry(std::to_string(i) + "_hello_world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 10);
auto entries = changelog.serializeEntriesToBuffer(1, 5);
auto entries = changelog.pack(1, 5);
DB::Changelog apply_changelog("./logs", 100);
apply_changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore apply_changelog("./logs", 100);
apply_changelog.init(1);
for (size_t i = 0; i < 10; ++i)
{
EXPECT_EQ(apply_changelog.entryAt(i + 1)->get_term(), i * 10);
EXPECT_EQ(apply_changelog.entry_at(i + 1)->get_term(), i * 10);
}
EXPECT_EQ(apply_changelog.size(), 10);
apply_changelog.applyEntriesFromBuffer(8, *entries);
apply_changelog.apply_pack(8, *entries);
EXPECT_EQ(apply_changelog.size(), 12);
EXPECT_EQ(apply_changelog.getStartIndex(), 1);
EXPECT_EQ(apply_changelog.getNextEntryIndex(), 13);
EXPECT_EQ(apply_changelog.start_index(), 1);
EXPECT_EQ(apply_changelog.next_slot(), 13);
for (size_t i = 0; i < 7; ++i)
{
EXPECT_EQ(apply_changelog.entryAt(i + 1)->get_term(), i * 10);
EXPECT_EQ(apply_changelog.entry_at(i + 1)->get_term(), i * 10);
}
EXPECT_EQ(apply_changelog.entryAt(8)->get_term(), 0);
EXPECT_EQ(apply_changelog.entryAt(9)->get_term(), 10);
EXPECT_EQ(apply_changelog.entryAt(10)->get_term(), 20);
EXPECT_EQ(apply_changelog.entryAt(11)->get_term(), 30);
EXPECT_EQ(apply_changelog.entryAt(12)->get_term(), 40);
EXPECT_EQ(apply_changelog.entry_at(8)->get_term(), 0);
EXPECT_EQ(apply_changelog.entry_at(9)->get_term(), 10);
EXPECT_EQ(apply_changelog.entry_at(10)->get_term(), 20);
EXPECT_EQ(apply_changelog.entry_at(11)->get_term(), 30);
EXPECT_EQ(apply_changelog.entry_at(12)->get_term(), 40);
}
TEST(CoordinationTest, ChangelogTestBatchOperationsEmpty)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 100);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 100);
changelog.init(1);
for (size_t i = 0; i < 10; ++i)
{
auto entry = getLogEntry(std::to_string(i) + "_hello_world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 10);
auto entries = changelog.serializeEntriesToBuffer(5, 5);
auto entries = changelog.pack(5, 5);
ChangelogDirTest test1("./logs1");
DB::Changelog changelog_new("./logs1", 100);
changelog_new.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog_new("./logs1", 100);
changelog_new.init(1);
EXPECT_EQ(changelog_new.size(), 0);
changelog_new.applyEntriesFromBuffer(5, *entries);
changelog_new.apply_pack(5, *entries);
EXPECT_EQ(changelog_new.size(), 5);
EXPECT_EQ(changelog_new.getStartIndex(), 5);
EXPECT_EQ(changelog_new.getNextEntryIndex(), 10);
EXPECT_EQ(changelog_new.start_index(), 5);
EXPECT_EQ(changelog_new.next_slot(), 10);
for (size_t i = 4; i < 9; ++i)
EXPECT_EQ(changelog_new.entryAt(i + 1)->get_term(), i * 10);
EXPECT_EQ(changelog_new.entry_at(i + 1)->get_term(), i * 10);
changelog_new.appendEntry(changelog_new.getNextEntryIndex(), getLogEntry("hello_world", 110));
auto e = getLogEntry("hello_world", 110);
changelog_new.append(e);
EXPECT_EQ(changelog_new.size(), 6);
EXPECT_EQ(changelog_new.getStartIndex(), 5);
EXPECT_EQ(changelog_new.getNextEntryIndex(), 11);
EXPECT_EQ(changelog_new.start_index(), 5);
EXPECT_EQ(changelog_new.next_slot(), 11);
DB::Changelog changelog_reader("./logs1", 100);
changelog_reader.readChangelogAndInitWriter(5);
DB::NuKeeperLogStore changelog_reader("./logs1", 100);
changelog_reader.init(5);
}
TEST(CoordinationTest, ChangelogTestWriteAtPreviousFile)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 5);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
for (size_t i = 0; i < 33; ++i)
{
auto entry = getLogEntry(std::to_string(i) + "_hello_world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
@ -657,11 +662,12 @@ TEST(CoordinationTest, ChangelogTestWriteAtPreviousFile)
EXPECT_EQ(changelog.size(), 33);
changelog.writeAt(7, getLogEntry("helloworld", 5555));
auto e1 = getLogEntry("helloworld", 5555);
changelog.write_at(7, e1);
EXPECT_EQ(changelog.size(), 7);
EXPECT_EQ(changelog.getStartIndex(), 1);
EXPECT_EQ(changelog.getNextEntryIndex(), 8);
EXPECT_EQ(changelog.getLastEntry()->get_term(), 5555);
EXPECT_EQ(changelog.start_index(), 1);
EXPECT_EQ(changelog.next_slot(), 8);
EXPECT_EQ(changelog.last_entry()->get_term(), 5555);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
@ -672,24 +678,24 @@ TEST(CoordinationTest, ChangelogTestWriteAtPreviousFile)
EXPECT_FALSE(fs::exists("./logs/changelog_26_30.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_31_35.bin"));
DB::Changelog changelog_read("./logs", 5);
changelog_read.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog_read("./logs", 5);
changelog_read.init(1);
EXPECT_EQ(changelog_read.size(), 7);
EXPECT_EQ(changelog_read.getStartIndex(), 1);
EXPECT_EQ(changelog_read.getNextEntryIndex(), 8);
EXPECT_EQ(changelog_read.getLastEntry()->get_term(), 5555);
EXPECT_EQ(changelog_read.start_index(), 1);
EXPECT_EQ(changelog_read.next_slot(), 8);
EXPECT_EQ(changelog_read.last_entry()->get_term(), 5555);
}
TEST(CoordinationTest, ChangelogTestWriteAtFileBorder)
{
ChangelogDirTest test("./logs");
DB::Changelog changelog("./logs", 5);
changelog.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
for (size_t i = 0; i < 33; ++i)
{
auto entry = getLogEntry(std::to_string(i) + "_hello_world", i * 10);
changelog.appendEntry(changelog.getNextEntryIndex(), entry);
changelog.append(entry);
}
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
@ -702,11 +708,12 @@ TEST(CoordinationTest, ChangelogTestWriteAtFileBorder)
EXPECT_EQ(changelog.size(), 33);
changelog.writeAt(11, getLogEntry("helloworld", 5555));
auto e1 = getLogEntry("helloworld", 5555);
changelog.write_at(11, e1);
EXPECT_EQ(changelog.size(), 11);
EXPECT_EQ(changelog.getStartIndex(), 1);
EXPECT_EQ(changelog.getNextEntryIndex(), 12);
EXPECT_EQ(changelog.getLastEntry()->get_term(), 5555);
EXPECT_EQ(changelog.start_index(), 1);
EXPECT_EQ(changelog.next_slot(), 12);
EXPECT_EQ(changelog.last_entry()->get_term(), 5555);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
@ -717,12 +724,90 @@ TEST(CoordinationTest, ChangelogTestWriteAtFileBorder)
EXPECT_FALSE(fs::exists("./logs/changelog_26_30.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_31_35.bin"));
DB::Changelog changelog_read("./logs", 5);
changelog_read.readChangelogAndInitWriter(1);
DB::NuKeeperLogStore changelog_read("./logs", 5);
changelog_read.init(1);
EXPECT_EQ(changelog_read.size(), 11);
EXPECT_EQ(changelog_read.getStartIndex(), 1);
EXPECT_EQ(changelog_read.getNextEntryIndex(), 12);
EXPECT_EQ(changelog_read.getLastEntry()->get_term(), 5555);
EXPECT_EQ(changelog_read.start_index(), 1);
EXPECT_EQ(changelog_read.next_slot(), 12);
EXPECT_EQ(changelog_read.last_entry()->get_term(), 5555);
}
TEST(CoordinationTest, ChangelogTestWriteAtAllFiles)
{
ChangelogDirTest test("./logs");
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
for (size_t i = 0; i < 33; ++i)
{
auto entry = getLogEntry(std::to_string(i) + "_hello_world", i * 10);
changelog.append(entry);
}
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_11_15.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_16_20.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_21_25.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_26_30.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_31_35.bin"));
EXPECT_EQ(changelog.size(), 33);
auto e1 = getLogEntry("helloworld", 5555);
changelog.write_at(1, e1);
EXPECT_EQ(changelog.size(), 1);
EXPECT_EQ(changelog.start_index(), 1);
EXPECT_EQ(changelog.next_slot(), 2);
EXPECT_EQ(changelog.last_entry()->get_term(), 5555);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_6_10.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_11_15.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_16_20.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_21_25.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_26_30.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_31_35.bin"));
}
TEST(CoordinationTest, ChangelogTestStartNewLogAfterRead)
{
ChangelogDirTest test("./logs");
DB::NuKeeperLogStore changelog("./logs", 5);
changelog.init(1);
for (size_t i = 0; i < 35; ++i)
{
auto entry = getLogEntry(std::to_string(i) + "_hello_world", i * 10);
changelog.append(entry);
}
EXPECT_EQ(changelog.size(), 35);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_11_15.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_16_20.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_21_25.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_26_30.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_31_35.bin"));
EXPECT_FALSE(fs::exists("./logs/changelog_36_40.bin"));
DB::NuKeeperLogStore changelog_reader("./logs", 5);
changelog_reader.init(1);
auto entry = getLogEntry("36_hello_world", 360);
changelog_reader.append(entry);
EXPECT_EQ(changelog_reader.size(), 36);
EXPECT_TRUE(fs::exists("./logs/changelog_1_5.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_6_10.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_11_15.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_16_20.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_21_25.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_26_30.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_31_35.bin"));
EXPECT_TRUE(fs::exists("./logs/changelog_36_40.bin"));
}
#endif