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tablet_updates_test.cpp
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tablet_updates_test.cpp
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// This file is licensed under the Elastic License 2.0. Copyright 2021-present, StarRocks Limited.
#include "storage/tablet_updates.h"
#include <gtest/gtest.h>
#include <chrono>
#include <string>
#include <thread>
#include "column/datum_tuple.h"
#include "column/vectorized_fwd.h"
#include "fs/fs.h"
#include "gutil/strings/substitute.h"
#include "storage/chunk_helper.h"
#include "storage/empty_iterator.h"
#include "storage/kv_store.h"
#include "storage/primary_key_encoder.h"
#include "storage/rowset/rowset_factory.h"
#include "storage/rowset/rowset_options.h"
#include "storage/rowset/rowset_writer.h"
#include "storage/rowset/rowset_writer_context.h"
#include "storage/rowset/segment.h"
#include "storage/schema_change.h"
#include "storage/snapshot_manager.h"
#include "storage/storage_engine.h"
#include "storage/tablet.h"
#include "storage/tablet_manager.h"
#include "storage/tablet_meta_manager.h"
#include "storage/tablet_reader.h"
#include "storage/union_iterator.h"
#include "storage/update_manager.h"
#include "storage/wrapper_field.h"
#include "testutil/assert.h"
#include "util/defer_op.h"
#include "util/path_util.h"
namespace starrocks {
enum PartialUpdateCloneCase {
CASE1, // rowset status is committed in meta, rowset file is partial rowset
CASE2, // rowset status is committed in meta, rowset file is partial rowset, but rowset is apply success after link file
CASE3, // rowset status is committed in meta, rowset file is full rowset
CASE4 // rowset status is applied in meta, rowset file is full rowset
};
class TabletUpdatesTest : public testing::Test {
public:
RowsetSharedPtr create_rowset(const TabletSharedPtr& tablet, const vector<int64_t>& keys,
vectorized::Column* one_delete = nullptr, bool empty = false) {
RowsetWriterContext writer_context(kDataFormatV2, config::storage_format_version);
RowsetId rowset_id = StorageEngine::instance()->next_rowset_id();
writer_context.rowset_id = rowset_id;
writer_context.tablet_id = tablet->tablet_id();
writer_context.tablet_schema_hash = tablet->schema_hash();
writer_context.partition_id = 0;
writer_context.rowset_path_prefix = tablet->schema_hash_path();
writer_context.rowset_state = COMMITTED;
writer_context.tablet_schema = &tablet->tablet_schema();
writer_context.version.first = 0;
writer_context.version.second = 0;
writer_context.segments_overlap = NONOVERLAPPING;
std::unique_ptr<RowsetWriter> writer;
EXPECT_TRUE(RowsetFactory::create_rowset_writer(writer_context, &writer).ok());
if (empty) {
return *writer->build();
}
auto schema = ChunkHelper::convert_schema_to_format_v2(tablet->tablet_schema());
auto chunk = ChunkHelper::new_chunk(schema, keys.size());
auto& cols = chunk->columns();
for (int64_t key : keys) {
if (schema.num_key_fields() == 1) {
cols[0]->append_datum(vectorized::Datum(key));
} else {
cols[0]->append_datum(vectorized::Datum(key));
string v = fmt::to_string(key * 234234342345);
cols[1]->append_datum(vectorized::Datum(Slice(v)));
cols[2]->append_datum(vectorized::Datum((int32_t)key));
}
int vcol_start = schema.num_key_fields();
cols[vcol_start]->append_datum(vectorized::Datum((int16_t)(key % 100 + 1)));
if (cols[vcol_start + 1]->is_binary()) {
string v = fmt::to_string(key % 1000 + 2);
cols[vcol_start + 1]->append_datum(vectorized::Datum(Slice(v)));
} else {
cols[vcol_start + 1]->append_datum(vectorized::Datum((int32_t)(key % 1000 + 2)));
}
}
if (one_delete == nullptr && !keys.empty()) {
CHECK_OK(writer->flush_chunk(*chunk));
} else if (one_delete == nullptr) {
CHECK_OK(writer->flush());
} else if (one_delete != nullptr) {
CHECK_OK(writer->flush_chunk_with_deletes(*chunk, *one_delete));
}
return *writer->build();
}
RowsetSharedPtr create_partial_rowset(const TabletSharedPtr& tablet, const vector<int64_t>& keys,
std::vector<int32_t>& column_indexes,
std::shared_ptr<TabletSchema> partial_schema) {
// create partial rowset
RowsetWriterContext writer_context(kDataFormatV2, config::storage_format_version);
RowsetId rowset_id = StorageEngine::instance()->next_rowset_id();
writer_context.rowset_id = rowset_id;
writer_context.tablet_id = tablet->tablet_id();
writer_context.tablet_schema_hash = tablet->schema_hash();
writer_context.partition_id = 0;
writer_context.rowset_path_prefix = tablet->schema_hash_path();
writer_context.rowset_state = COMMITTED;
writer_context.partial_update_tablet_schema = partial_schema;
writer_context.referenced_column_ids = column_indexes;
writer_context.tablet_schema = partial_schema.get();
writer_context.version.first = 0;
writer_context.version.second = 0;
writer_context.segments_overlap = NONOVERLAPPING;
std::unique_ptr<RowsetWriter> writer;
EXPECT_TRUE(RowsetFactory::create_rowset_writer(writer_context, &writer).ok());
auto schema = ChunkHelper::convert_schema_to_format_v2(*partial_schema.get());
if (keys.size() > 0) {
auto chunk = ChunkHelper::new_chunk(schema, keys.size());
EXPECT_TRUE(2 == chunk->num_columns());
auto& cols = chunk->columns();
for (size_t i = 0; i < keys.size(); i++) {
cols[0]->append_datum(vectorized::Datum(keys[i]));
cols[1]->append_datum(vectorized::Datum((int16_t)(keys[i] % 100 + 3)));
}
CHECK_OK(writer->flush_chunk(*chunk));
}
RowsetSharedPtr partial_rowset = *writer->build();
return partial_rowset;
}
RowsetSharedPtr create_rowsets(const TabletSharedPtr& tablet, const vector<int64_t>& keys,
std::size_t max_rows_per_segment) {
RowsetWriterContext writer_context(kDataFormatV2, config::storage_format_version);
RowsetId rowset_id = StorageEngine::instance()->next_rowset_id();
writer_context.rowset_id = rowset_id;
writer_context.tablet_id = tablet->tablet_id();
writer_context.tablet_schema_hash = tablet->schema_hash();
writer_context.partition_id = 0;
writer_context.rowset_path_prefix = tablet->schema_hash_path();
writer_context.rowset_state = COMMITTED;
writer_context.tablet_schema = &tablet->tablet_schema();
writer_context.version.first = 0;
writer_context.version.second = 0;
writer_context.segments_overlap = NONOVERLAPPING;
std::unique_ptr<RowsetWriter> writer;
EXPECT_TRUE(RowsetFactory::create_rowset_writer(writer_context, &writer).ok());
auto schema = ChunkHelper::convert_schema_to_format_v2(tablet->tablet_schema());
for (std::size_t written_rows = 0; written_rows < keys.size(); written_rows += max_rows_per_segment) {
auto chunk = ChunkHelper::new_chunk(schema, max_rows_per_segment);
auto& cols = chunk->columns();
for (size_t i = 0; i < max_rows_per_segment; i++) {
cols[0]->append_datum(vectorized::Datum(keys[written_rows + i]));
cols[1]->append_datum(vectorized::Datum((int16_t)(keys[written_rows + i] % 100 + 1)));
cols[2]->append_datum(vectorized::Datum((int32_t)(keys[written_rows + i] % 1000 + 2)));
}
CHECK_OK(writer->flush_chunk(*chunk));
}
return *writer->build();
}
TabletSharedPtr create_tablet(int64_t tablet_id, int32_t schema_hash, bool multi_column_pk = false) {
TCreateTabletReq request;
request.tablet_id = tablet_id;
request.__set_version(1);
request.__set_version_hash(0);
request.tablet_schema.schema_hash = schema_hash;
request.tablet_schema.short_key_column_count = 1;
request.tablet_schema.keys_type = TKeysType::PRIMARY_KEYS;
request.tablet_schema.storage_type = TStorageType::COLUMN;
if (multi_column_pk) {
TColumn pk1;
pk1.column_name = "pk1_bigint";
pk1.__set_is_key(true);
pk1.column_type.type = TPrimitiveType::BIGINT;
request.tablet_schema.columns.push_back(pk1);
TColumn pk2;
pk2.column_name = "pk2_varchar";
pk2.__set_is_key(true);
pk2.column_type.type = TPrimitiveType::VARCHAR;
pk2.column_type.len = 128;
request.tablet_schema.columns.push_back(pk2);
TColumn pk3;
pk3.column_name = "pk3_int";
pk3.__set_is_key(true);
pk3.column_type.type = TPrimitiveType::INT;
request.tablet_schema.columns.push_back(pk3);
} else {
TColumn k1;
k1.column_name = "pk";
k1.__set_is_key(true);
k1.column_type.type = TPrimitiveType::BIGINT;
request.tablet_schema.columns.push_back(k1);
}
TColumn k2;
k2.column_name = "v1";
k2.__set_is_key(false);
k2.column_type.type = TPrimitiveType::SMALLINT;
request.tablet_schema.columns.push_back(k2);
TColumn k3;
k3.column_name = "v2";
k3.__set_is_key(false);
k3.column_type.type = TPrimitiveType::INT;
request.tablet_schema.columns.push_back(k3);
auto st = StorageEngine::instance()->create_tablet(request);
CHECK(st.ok()) << st.to_string();
return StorageEngine::instance()->tablet_manager()->get_tablet(tablet_id, false);
}
TabletSharedPtr create_tablet2(int64_t tablet_id, int32_t schema_hash) {
TCreateTabletReq request;
request.tablet_id = tablet_id;
request.__set_version(1);
request.__set_version_hash(0);
request.tablet_schema.schema_hash = schema_hash;
request.tablet_schema.short_key_column_count = 6;
request.tablet_schema.keys_type = TKeysType::PRIMARY_KEYS;
request.tablet_schema.storage_type = TStorageType::COLUMN;
TColumn k1;
k1.column_name = "pk";
k1.__set_is_key(true);
k1.column_type.type = TPrimitiveType::BIGINT;
request.tablet_schema.columns.push_back(k1);
TColumn k2;
k2.column_name = "v1";
k2.__set_is_key(false);
k2.column_type.type = TPrimitiveType::SMALLINT;
request.tablet_schema.columns.push_back(k2);
TColumn k3;
k3.column_name = "v2";
k3.__set_is_key(false);
k3.column_type.type = TPrimitiveType::INT;
request.tablet_schema.columns.push_back(k3);
TColumn k4;
k4.column_name = "v3";
k4.__set_is_key(false);
k4.column_type.type = TPrimitiveType::INT;
k4.__set_default_value("1");
request.tablet_schema.columns.push_back(k4);
auto st = StorageEngine::instance()->create_tablet(request);
CHECK(st.ok()) << st.to_string();
return StorageEngine::instance()->tablet_manager()->get_tablet(tablet_id, false);
}
TabletSharedPtr create_tablet_to_schema_change(int64_t tablet_id, int32_t schema_hash) {
TCreateTabletReq request;
request.tablet_id = tablet_id;
request.__set_version(1);
request.__set_version_hash(0);
request.tablet_schema.schema_hash = schema_hash;
request.tablet_schema.short_key_column_count = 6;
request.tablet_schema.keys_type = TKeysType::PRIMARY_KEYS;
request.tablet_schema.storage_type = TStorageType::COLUMN;
TColumn k1;
k1.column_name = "pk";
k1.__set_is_key(true);
k1.column_type.type = TPrimitiveType::BIGINT;
request.tablet_schema.columns.push_back(k1);
TColumn k2;
k2.column_name = "v1";
k2.__set_is_key(false);
k2.column_type.type = TPrimitiveType::SMALLINT;
request.tablet_schema.columns.push_back(k2);
TColumn k3;
k3.column_name = "v2";
k3.__set_is_key(false);
k3.column_type.type = TPrimitiveType::VARCHAR;
k3.column_type.len = 128;
request.tablet_schema.columns.push_back(k3);
auto st = StorageEngine::instance()->create_tablet(request);
CHECK(st.ok()) << st.to_string();
return StorageEngine::instance()->tablet_manager()->get_tablet(tablet_id, false);
}
void SetUp() override {
_compaction_mem_tracker.reset(new MemTracker(-1));
_tablet_meta_mem_tracker = std::make_unique<MemTracker>();
}
void TearDown() override {
if (_tablet2) {
StorageEngine::instance()->tablet_manager()->drop_tablet(_tablet2->tablet_id());
_tablet2.reset();
}
if (_tablet) {
StorageEngine::instance()->tablet_manager()->drop_tablet(_tablet->tablet_id());
_tablet.reset();
}
}
static Status full_clone(const TabletSharedPtr& source_tablet, int clone_version,
const TabletSharedPtr& dest_tablet) {
auto snapshot_dir = SnapshotManager::instance()->snapshot_full(source_tablet, clone_version, 3600);
CHECK(snapshot_dir.ok()) << snapshot_dir.status();
DeferOp defer1([&]() { (void)fs::remove_all(*snapshot_dir); });
auto meta_dir = SnapshotManager::instance()->get_schema_hash_full_path(source_tablet, *snapshot_dir);
auto snapshot_meta = SnapshotManager::instance()->parse_snapshot_meta(meta_dir + "/meta");
CHECK(snapshot_meta.ok()) << snapshot_meta.status();
RETURN_IF_ERROR(SnapshotManager::instance()->assign_new_rowset_id(&(*snapshot_meta), meta_dir));
std::set<std::string> files;
auto st = fs::list_dirs_files(meta_dir, NULL, &files);
CHECK(st.ok()) << st;
files.erase("meta");
for (const auto& f : files) {
std::string src = meta_dir + "/" + f;
std::string dst = dest_tablet->schema_hash_path() + "/" + f;
st = FileSystem::Default()->link_file(src, dst);
if (st.ok()) {
LOG(INFO) << "Linked " << src << " to " << dst;
} else if (st.is_already_exist()) {
LOG(INFO) << dst << " already exist";
} else {
return st;
}
}
// Pretend that source_tablet is a peer replica of dest_tablet
snapshot_meta->tablet_meta().set_tablet_id(dest_tablet->tablet_id());
snapshot_meta->tablet_meta().set_schema_hash(dest_tablet->schema_hash());
for (auto& rm : snapshot_meta->rowset_metas()) {
rm.set_tablet_id(dest_tablet->tablet_id());
}
st = dest_tablet->updates()->load_snapshot(*snapshot_meta);
dest_tablet->updates()->remove_expired_versions(time(NULL));
return st;
}
static StatusOr<TabletSharedPtr> clone_a_new_replica(const TabletSharedPtr& source_tablet, int64_t new_tablet_id) {
auto clone_version = source_tablet->max_version().second;
auto snapshot_dir = SnapshotManager::instance()->snapshot_full(source_tablet, clone_version, 3600);
CHECK(snapshot_dir.ok()) << snapshot_dir.status();
DeferOp defer1([&]() { (void)fs::remove_all(*snapshot_dir); });
auto meta_dir = SnapshotManager::instance()->get_schema_hash_full_path(source_tablet, *snapshot_dir);
auto meta_file = meta_dir + "/meta";
auto snapshot_meta = SnapshotManager::instance()->parse_snapshot_meta(meta_file);
CHECK(snapshot_meta.ok()) << snapshot_meta.status();
// Assign a new tablet_id and overwrite the meta file.
snapshot_meta->tablet_meta().set_tablet_id(new_tablet_id);
CHECK(snapshot_meta->serialize_to_file(meta_file).ok());
RETURN_IF_ERROR(SnapshotManager::instance()->assign_new_rowset_id(&(*snapshot_meta), meta_dir));
auto store = source_tablet->data_dir();
auto new_schema_hash = source_tablet->schema_hash();
std::string new_tablet_path = store->path() + DATA_PREFIX;
new_tablet_path = path_util::join_path_segments(new_tablet_path, std::to_string(source_tablet->shard_id()));
new_tablet_path = path_util::join_path_segments(new_tablet_path, std::to_string(new_tablet_id));
new_tablet_path = path_util::join_path_segments(new_tablet_path, std::to_string(new_schema_hash));
CHECK(std::filesystem::create_directories(new_tablet_path));
std::set<std::string> files;
CHECK(fs::list_dirs_files(meta_dir, NULL, &files).ok());
for (const auto& f : files) {
std::string src = meta_dir + "/" + f;
std::string dst = new_tablet_path + "/" + f;
Status st = FileSystem::Default()->link_file(src, dst);
if (st.ok()) {
LOG(INFO) << "Linked " << src << " to " << dst;
} else if (st.is_already_exist()) {
LOG(INFO) << dst << " already exist";
} else {
return st;
}
}
auto tablet_manager = StorageEngine::instance()->tablet_manager();
auto st = tablet_manager->create_tablet_from_meta_snapshot(store, new_tablet_id, new_schema_hash,
new_tablet_path);
CHECK(st.ok()) << st;
return tablet_manager->get_tablet(new_tablet_id, false);
}
void test_writeread(bool enable_persistent_index);
void test_writeread_with_delete(bool enable_persistent_index);
void test_noncontinous_commit(bool enable_persistent_index);
void test_noncontinous_meta_save_load(bool enable_persistent_index);
void test_save_meta(bool enable_persistent_index);
void test_remove_expired_versions(bool enable_persistent_index);
void test_apply(bool enable_persistent_index);
void test_concurrent_write_read_and_gc(bool enable_persistent_index);
void test_compaction_score_not_enough(bool enable_persistent_index);
void test_compaction_score_enough_duplicate(bool enable_persistent_index);
void test_compaction_score_enough_normal(bool enable_persistent_index);
void test_horizontal_compaction(bool enable_persistent_index);
void test_vertical_compaction(bool enable_persistent_index);
void test_compaction_with_empty_rowset(bool enable_persistent_index, bool vertical, bool multi_column_pk);
void test_link_from(bool enable_persistent_index);
void test_convert_from(bool enable_persistent_index);
void test_convert_from_with_pending(bool enable_persistent_index);
void test_load_snapshot_incremental(bool enable_persistent_index);
void test_load_snapshot_incremental_ignore_already_committed_version(bool enable_persistent_index);
void test_load_snapshot_incremental_mismatched_tablet_id(bool enable_persistent_index);
void test_load_snapshot_incremental_data_file_not_exist(bool enable_persistent_index);
void test_load_snapshot_incremental_incorrect_version(bool enable_persistent_index);
void test_load_snapshot_incremental_with_partial_rowset_old(bool enable_persistent_index);
void test_load_snapshot_incremental_with_partial_rowset_new(bool enable_persistent_index,
PartialUpdateCloneCase update_case);
void test_load_snapshot_primary(int64_t num_version, const std::vector<uint64_t>& holes);
void test_load_snapshot_primary(int64_t max_version, const std::vector<uint64_t>& holes,
bool enable_persistent_index);
void test_load_snapshot_full(bool enable_persistent_index);
void test_load_snapshot_full_file_not_exist(bool enable_persistent_index);
void test_load_snapshot_full_mismatched_tablet_id(bool enable_persistent_index);
void test_issue_4193(bool enable_persistent_index);
void test_issue_4181(bool enable_persistent_index);
void test_snapshot_with_empty_rowset(bool enable_persistent_index);
void test_get_column_values(bool enable_persistent_index);
void test_get_missing_version_ranges(const std::vector<int64_t>& versions,
const std::vector<int64_t>& expected_missing_ranges);
void test_get_rowsets_for_incremental_snapshot(const std::vector<int64_t>& versions,
const std::vector<int64_t>& missing_ranges,
const std::vector<int64_t>& expect_rowset_versions, bool gc,
bool expect_error);
void tablets_prepare(TabletSharedPtr tablet0, TabletSharedPtr tablet1, std::vector<int32_t>& column_indexes,
const std::shared_ptr<TabletSchema>& partial_schema);
void snapshot_prepare(const TabletSharedPtr& tablet, const std::vector<int64_t>& delta_versions,
std::string* snapshot_id_path, std::string* snapshot_dir,
std::vector<RowsetSharedPtr>* snapshot_rowsets,
std::vector<RowsetMetaSharedPtr>* snapshot_rowset_metas,
TabletMetaSharedPtr snapshot_tablet_meta);
void load_snapshot(const std::string& meta_dir, const TabletSharedPtr& tablet, SegmentFooterPB* footer);
protected:
TabletSharedPtr _tablet;
TabletSharedPtr _tablet2;
std::unique_ptr<MemTracker> _compaction_mem_tracker;
std::unique_ptr<MemTracker> _tablet_meta_mem_tracker;
};
static TabletSharedPtr load_same_tablet_from_store(MemTracker* mem_tracker, const TabletSharedPtr& tablet) {
auto data_dir = tablet->data_dir();
auto tablet_id = tablet->tablet_id();
auto schema_hash = tablet->schema_hash();
std::string enc_key = strings::Substitute("tabletmeta_$0_$1", tablet_id, schema_hash);
std::string serialized_meta;
auto meta = tablet->data_dir()->get_meta();
auto st = meta->get(META_COLUMN_FAMILY_INDEX, enc_key, &serialized_meta);
CHECK(st.ok()) << st;
// Parse tablet meta.
auto tablet_meta = std::make_shared<TabletMeta>();
CHECK(tablet_meta->deserialize(serialized_meta).ok());
// Create a new tablet instance from the latest snapshot.
auto tablet1 = Tablet::create_tablet_from_meta(mem_tracker, tablet_meta, data_dir);
CHECK(tablet1 != nullptr);
CHECK(tablet1->init().ok());
CHECK(tablet1->init_succeeded());
return tablet1;
}
static vectorized::ChunkIteratorPtr create_tablet_iterator(vectorized::TabletReader& reader,
vectorized::Schema& schema) {
vectorized::TabletReaderParams params;
if (!reader.prepare().ok()) {
LOG(ERROR) << "reader prepare failed";
return nullptr;
}
std::vector<ChunkIteratorPtr> seg_iters;
if (!reader.get_segment_iterators(params, &seg_iters).ok()) {
LOG(ERROR) << "reader get segment iterators fail";
return nullptr;
}
if (seg_iters.empty()) {
return vectorized::new_empty_iterator(schema, DEFAULT_CHUNK_SIZE);
}
return vectorized::new_union_iterator(seg_iters);
}
static ssize_t read_and_compare(const vectorized::ChunkIteratorPtr& iter, const vector<int64_t>& keys) {
auto chunk = ChunkHelper::new_chunk(iter->schema(), 100);
auto full_chunk = ChunkHelper::new_chunk(iter->schema(), keys.size());
auto& cols = full_chunk->columns();
for (size_t i = 0; i < keys.size(); i++) {
cols[0]->append_datum(vectorized::Datum(keys[i]));
cols[1]->append_datum(vectorized::Datum((int16_t)(keys[i] % 100 + 1)));
cols[2]->append_datum(vectorized::Datum((int32_t)(keys[i] % 1000 + 2)));
}
size_t count = 0;
while (true) {
auto st = iter->get_next(chunk.get());
if (st.is_end_of_file()) {
break;
} else if (st.ok()) {
for (auto i = 0; i < chunk->num_rows(); i++) {
EXPECT_EQ(full_chunk->get(count + i).compare(iter->schema(), chunk->get(i)), 0);
}
count += chunk->num_rows();
chunk->reset();
} else {
return -1;
}
}
return count;
}
static ssize_t read_until_eof(const vectorized::ChunkIteratorPtr& iter) {
auto chunk = ChunkHelper::new_chunk(iter->schema(), 100);
size_t count = 0;
while (true) {
auto st = iter->get_next(chunk.get());
if (st.is_end_of_file()) {
break;
} else if (st.ok()) {
count += chunk->num_rows();
chunk->reset();
} else {
LOG(WARNING) << "read error: " << st.to_string();
return -1;
}
}
return count;
}
static ssize_t read_tablet(const TabletSharedPtr& tablet, int64_t version) {
vectorized::Schema schema = ChunkHelper::convert_schema_to_format_v2(tablet->tablet_schema());
vectorized::TabletReader reader(tablet, Version(0, version), schema);
auto iter = create_tablet_iterator(reader, schema);
if (iter == nullptr) {
return -1;
}
return read_until_eof(iter);
}
static ssize_t read_tablet_and_compare(const TabletSharedPtr& tablet, int64_t version, const vector<int64_t>& keys) {
vectorized::Schema schema = ChunkHelper::convert_schema_to_format_v2(tablet->tablet_schema());
vectorized::TabletReader reader(tablet, Version(0, version), schema);
auto iter = create_tablet_iterator(reader, schema);
if (iter == nullptr) {
return -1;
}
return read_and_compare(iter, keys);
}
static ssize_t read_tablet_and_compare_schema_changed(const TabletSharedPtr& tablet, int64_t version,
const vector<int64_t>& keys) {
vectorized::Schema schema = ChunkHelper::convert_schema_to_format_v2(tablet->tablet_schema());
vectorized::TabletReader reader(tablet, Version(0, version), schema);
auto iter = create_tablet_iterator(reader, schema);
if (iter == nullptr) {
return -1;
}
auto full_chunk = ChunkHelper::new_chunk(iter->schema(), keys.size());
auto& cols = full_chunk->columns();
for (size_t i = 0; i < keys.size(); i++) {
cols[0]->append_datum(vectorized::Datum((int64_t)keys[i]));
cols[1]->append_datum(vectorized::Datum((int16_t)(keys[i] % 100 + 1)));
auto v = std::to_string((int64_t)(keys[i] % 1000 + 2));
cols[2]->append_datum(vectorized::Datum(Slice{v}));
}
auto chunk = ChunkHelper::new_chunk(iter->schema(), 100);
size_t count = 0;
while (true) {
auto st = iter->get_next(chunk.get());
if (st.is_end_of_file()) {
break;
} else if (st.ok()) {
for (auto i = 0; i < chunk->num_rows(); i++) {
EXPECT_EQ(full_chunk->get(count + i).compare(iter->schema(), chunk->get(i)), 0);
}
count += chunk->num_rows();
chunk->reset();
} else {
return -1;
}
}
return count;
}
void TabletUpdatesTest::test_writeread(bool enable_persistent_index) {
srand(GetCurrentTimeMicros());
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
// write
const int N = 8000;
std::vector<int64_t> keys;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
auto rs0 = create_rowset(_tablet, keys);
ASSERT_TRUE(_tablet->rowset_commit(2, rs0).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
auto rs1 = create_rowset(_tablet, keys);
ASSERT_TRUE(_tablet->rowset_commit(3, rs1).ok());
ASSERT_EQ(3, _tablet->updates()->max_version());
auto rs2 = create_rowset(_tablet, keys, NULL, true);
ASSERT_TRUE(_tablet->rowset_commit(4, rs2).ok());
ASSERT_EQ(4, _tablet->updates()->max_version());
// read
ASSERT_EQ(N, read_tablet(_tablet, 4));
ASSERT_EQ(N, read_tablet(_tablet, 3));
ASSERT_EQ(N, read_tablet(_tablet, 2));
}
TEST_F(TabletUpdatesTest, writeread) {
test_writeread(false);
}
TEST_F(TabletUpdatesTest, writeread_with_persistent_index) {
test_writeread(true);
}
void TabletUpdatesTest::test_writeread_with_delete(bool enable_persistent_index) {
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
// write
const int N = 8000;
std::vector<int64_t> keys;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
// Insert [0, 1, 2 ... N)
ASSERT_TRUE(_tablet->rowset_commit(2, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
// Delete [0, 1, 2 ... N/2)
vectorized::Int64Column deletes;
deletes.append_numbers(keys.data(), sizeof(int64_t) * keys.size() / 2);
ASSERT_TRUE(_tablet->rowset_commit(3, create_rowset(_tablet, {}, &deletes)).ok());
ASSERT_EQ(3, _tablet->updates()->max_version());
ASSERT_EQ(N / 2, read_tablet(_tablet, 3));
// Delete [0, 1, 2 ... N) and insert [N, N+1, N+2 ... 2*N)
deletes.resize(0);
deletes.append_numbers(keys.data(), sizeof(int64_t) * keys.size());
for (int i = 0; i < N; i++) {
keys[i] = N + i;
}
ASSERT_TRUE(_tablet->rowset_commit(4, create_rowset(_tablet, keys, &deletes)).ok());
ASSERT_EQ(4, _tablet->updates()->max_version());
ASSERT_EQ(N, read_tablet(_tablet, 4));
}
TEST_F(TabletUpdatesTest, writeread_with_delete) {
test_writeread_with_delete(false);
}
TEST_F(TabletUpdatesTest, writeread_with_delete_with_persistent_index) {
test_writeread_with_delete(true);
}
TEST_F(TabletUpdatesTest, writeread_with_overlapping_deletes_only_batches) {
_tablet = create_tablet(rand(), rand());
std::vector<int64_t> keys;
const int N = 8000;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
// Insert [0, 1, 2 ... N)
ASSERT_TRUE(_tablet->rowset_commit(2, create_rowset(_tablet, keys)).ok());
for (int i = 0; i < N; i++) {
keys[i] = N + i;
}
// Insert [N, N + 1, N + 2 ... 2N)
ASSERT_TRUE(_tablet->rowset_commit(3, create_rowset(_tablet, keys)).ok());
for (int i = 0; i < N; i++) {
keys[i] = 2 * N + i;
}
// Insert [2N, 2N + 1, 2N + 2 ... 3N)
ASSERT_TRUE(_tablet->rowset_commit(4, create_rowset(_tablet, keys)).ok());
vectorized::Int64Column deletes;
for (int i = N / 2; i < N + N / 2; i++) {
deletes.append(i);
}
ASSERT_TRUE(_tablet->rowset_commit(5, create_rowset(_tablet, {}, &deletes)).ok());
deletes.resize(0);
for (int i = N; i < 2 * N; i++) {
deletes.append(i);
}
ASSERT_TRUE(_tablet->rowset_commit(6, create_rowset(_tablet, {}, &deletes)).ok());
deletes.resize(0);
for (int i = N + N / 2; i < 2 * N + N / 2; i++) {
deletes.append(i);
}
ASSERT_TRUE(_tablet->rowset_commit(7, create_rowset(_tablet, {}, &deletes)).ok());
ASSERT_EQ(N, read_tablet(_tablet, 7));
}
void TabletUpdatesTest::test_noncontinous_commit(bool enable_persistent_index) {
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
const int N = 100;
std::vector<int64_t> keys;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
ASSERT_TRUE(_tablet->rowset_commit(2, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
ASSERT_TRUE(_tablet->rowset_commit(5, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
ASSERT_TRUE(_tablet->rowset_commit(4, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
ASSERT_TRUE(_tablet->rowset_commit(3, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(5, _tablet->updates()->max_version());
}
TEST_F(TabletUpdatesTest, noncontinous_commit) {
test_noncontinous_commit(false);
}
TEST_F(TabletUpdatesTest, noncontinous_commit_with_persistent_index) {
test_noncontinous_commit(true);
}
void TabletUpdatesTest::test_noncontinous_meta_save_load(bool enable_persistent_index) {
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
const int N = 100;
std::vector<int64_t> keys;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
ASSERT_TRUE(_tablet->rowset_commit(2, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
ASSERT_TRUE(_tablet->rowset_commit(5, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
ASSERT_TRUE(_tablet->rowset_commit(4, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(2, _tablet->updates()->max_version());
std::this_thread::sleep_for(std::chrono::milliseconds(500));
_tablet->save_meta();
auto tablet1 = load_same_tablet_from_store(_tablet_meta_mem_tracker.get(), _tablet);
ASSERT_EQ(2, tablet1->updates()->num_pending());
ASSERT_EQ(2, tablet1->updates()->max_version());
}
TEST_F(TabletUpdatesTest, noncontinous_meta_save_load) {
test_noncontinous_meta_save_load(false);
}
TEST_F(TabletUpdatesTest, noncontinous_meta_save_load_with_persistent_index) {
test_noncontinous_commit(true);
}
void TabletUpdatesTest::test_save_meta(bool enable_persistent_index) {
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
// Prepare records for test.
const int N = 10;
std::vector<int64_t> keys;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
for (int i = 0; i < 30; i++) {
std::cout << "rowset " << i << std::endl;
ASSERT_TRUE(_tablet->rowset_commit(i + 2, create_rowset(_tablet, keys)).ok());
}
ASSERT_EQ(31, _tablet->updates()->version_history_count());
ASSERT_EQ(31, _tablet->updates()->max_version());
// Read from the latest version, this can ensure that all versions are applied.
ASSERT_EQ(N, read_tablet(_tablet, 31));
ASSERT_EQ(N, read_tablet(_tablet, 16));
ASSERT_EQ(N, read_tablet(_tablet, 2));
_tablet->save_meta();
auto tablet1 = load_same_tablet_from_store(_tablet_meta_mem_tracker.get(), _tablet);
ASSERT_EQ(31, tablet1->updates()->version_history_count());
ASSERT_EQ(31, tablet1->updates()->max_version());
// Ensure that all meta logs have been erased.
size_t log_count = 0;
auto apply_log_func = [&](uint64_t logid, const TabletMetaLogPB& log) -> bool {
log_count++;
std::cout << log.DebugString() << std::endl;
return true;
};
auto status = TabletMetaManager::traverse_meta_logs(_tablet->data_dir(), _tablet->tablet_id(), apply_log_func);
ASSERT_TRUE(status.ok()) << status.to_string();
ASSERT_EQ(0, log_count);
// Ensure we can read all records from the latest version.
ASSERT_EQ(N, read_tablet(tablet1, 30));
ASSERT_EQ(N, read_tablet(tablet1, 10));
ASSERT_EQ(N, read_tablet(tablet1, 2));
}
TEST_F(TabletUpdatesTest, save_meta) {
test_save_meta(false);
}
TEST_F(TabletUpdatesTest, save_meta_with_persistent_index) {
test_save_meta(true);
}
void TabletUpdatesTest::test_remove_expired_versions(bool enable_persistent_index) {
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
// Prepare records for test.
const int N = 100;
std::vector<int64_t> keys;
for (int i = 0; i < N; i++) {
keys.push_back(i);
}
ASSERT_TRUE(_tablet->rowset_commit(2, create_rowset(_tablet, keys)).ok());
ASSERT_TRUE(_tablet->rowset_commit(3, create_rowset(_tablet, keys)).ok());
ASSERT_TRUE(_tablet->rowset_commit(4, create_rowset(_tablet, keys)).ok());
ASSERT_EQ(4, _tablet->updates()->version_history_count());
ASSERT_EQ(4, _tablet->updates()->max_version());
// Read from the latest version, this can ensure that all versions are applied.
ASSERT_EQ(N, read_tablet(_tablet, 4));
ASSERT_EQ(N, read_tablet(_tablet, 3));
ASSERT_EQ(N, read_tablet(_tablet, 2));
ASSERT_EQ(0, read_tablet(_tablet, 1));
// Create iterators before remove expired version, but read them after removal.
vectorized::Schema schema = ChunkHelper::convert_schema_to_format_v2(_tablet->tablet_schema());
vectorized::TabletReader reader1(_tablet, Version(0, 1), schema);
vectorized::TabletReader reader2(_tablet, Version(0, 2), schema);
vectorized::TabletReader reader3(_tablet, Version(0, 3), schema);
vectorized::TabletReader reader4(_tablet, Version(0, 4), schema);
auto iter_v0 = create_tablet_iterator(reader1, schema);
auto iter_v1 = create_tablet_iterator(reader2, schema);
auto iter_v2 = create_tablet_iterator(reader3, schema);
auto iter_v3 = create_tablet_iterator(reader4, schema);
// Remove all but the last version.
_tablet->updates()->remove_expired_versions(time(NULL));
ASSERT_EQ(1, _tablet->updates()->version_history_count());
ASSERT_EQ(4, _tablet->updates()->max_version());
EXPECT_EQ(N, read_tablet(_tablet, 4));
EXPECT_EQ(N, read_until_eof(iter_v3));
EXPECT_EQ(N, read_until_eof(iter_v2)); // delete vector v2 still valid.
EXPECT_EQ(0, read_until_eof(iter_v0)); // iter_v0 is empty iterator
// Read expired versions should fail.
EXPECT_EQ(-1, read_until_eof(iter_v1));
EXPECT_EQ(-1, read_tablet(_tablet, 3));
EXPECT_EQ(-1, read_tablet(_tablet, 2));
EXPECT_EQ(-1, read_tablet(_tablet, 1));
auto tablet1 = load_same_tablet_from_store(_tablet_meta_mem_tracker.get(), _tablet);
EXPECT_EQ(1, tablet1->updates()->version_history_count());
EXPECT_EQ(4, tablet1->updates()->max_version());
EXPECT_EQ(N, read_tablet(tablet1, 4));
EXPECT_EQ(-1, read_tablet(tablet1, 3));
EXPECT_EQ(-1, read_tablet(tablet1, 2));
EXPECT_EQ(-1, read_tablet(tablet1, 1));
}
TEST_F(TabletUpdatesTest, remove_expired_versions) {
test_remove_expired_versions(false);
}
TEST_F(TabletUpdatesTest, remove_expired_versions_with_persistent_index) {
test_remove_expired_versions(true);
}
// NOLINTNEXTLINE
void TabletUpdatesTest::test_apply(bool enable_persistent_index) {
const int N = 10;
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
ASSERT_EQ(1, _tablet->updates()->version_history_count());
std::vector<int64_t> keys(N);
for (int i = 0; i < N; i++) {
keys[i] = i;
}
std::vector<RowsetSharedPtr> rowsets;
rowsets.reserve(64);
for (int i = 0; i < 64; i++) {
rowsets.emplace_back(create_rowset(_tablet, keys));
}
auto pool = StorageEngine::instance()->update_manager()->apply_thread_pool();
for (int i = 0; i < rowsets.size(); i++) {
auto version = i + 2;
auto st = _tablet->rowset_commit(version, rowsets[i]);
ASSERT_TRUE(st.ok()) << st.to_string();
// Ensure that there is at most one thread doing the version apply job.
ASSERT_LE(pool->num_threads(), 1);
ASSERT_EQ(version, _tablet->updates()->max_version());
ASSERT_EQ(version, _tablet->updates()->version_history_count());
}
ASSERT_EQ(N, read_tablet(_tablet, rowsets.size()));
// Ensure the persistent meta is correct.
auto max_version = rowsets.size() + 1;
auto tablet1 = load_same_tablet_from_store(_tablet_meta_mem_tracker.get(), _tablet);
EXPECT_EQ(max_version, tablet1->updates()->max_version());
EXPECT_EQ(max_version, tablet1->updates()->version_history_count());
for (int i = 2; i <= max_version; i++) {
ASSERT_EQ(N, read_tablet(_tablet, i));
}
}
TEST_F(TabletUpdatesTest, apply) {
test_apply(false);
}
TEST_F(TabletUpdatesTest, apply_with_persistent_index) {
test_apply(true);
}
// NOLINTNEXTLINE
void TabletUpdatesTest::test_concurrent_write_read_and_gc(bool enable_persistent_index) {
const int N = 2000;
std::atomic<bool> started{false};
std::atomic<bool> stopped{false};
std::atomic<int64_t> version{1};
_tablet = create_tablet(rand(), rand());
_tablet->set_enable_persistent_index(enable_persistent_index);
auto wait_start = [&]() {
while (!started) {
sched_yield();
}
};
auto rowset_commit_thread = [&]() {
std::vector<int64_t> keys(N);
for (int i = 0; i < N; i++) {
keys[i] = i;
}
wait_start();
while (!stopped) {
ASSERT_TRUE(_tablet->rowset_commit(1 + version.load(), create_rowset(_tablet, keys)).ok());
version.fetch_add(1);
}
};
auto version_gc_thread = [&]() {
wait_start();
while (!stopped) {
_tablet->updates()->remove_expired_versions(time(NULL));
std::this_thread::sleep_for(std::chrono::milliseconds(5));
}
};
auto read_thread = [&]() {
wait_start();
while (!stopped) {
ssize_t ret = read_tablet(_tablet, std::max<int64_t>(2, version.load()));
ASSERT_TRUE(ret == -1 || ret == N) << ret;
}
};
std::vector<std::thread> threads;
threads.emplace_back(rowset_commit_thread);
for (int i = 0; i < 10; i++) {
threads.emplace_back(read_thread);
}
threads.emplace_back(version_gc_thread);
started.store(true);
std::this_thread::sleep_for(std::chrono::seconds(5));
while (version.load() < 100) {
std::this_thread::sleep_for(std::chrono::seconds(5));
}
stopped.store(true);
for (auto& t : threads) {
t.join();
}
std::cout << "version count=" << version.load() << std::endl;