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rocksdb/db/repair_test.cc
Yu Zhang 4ea7b796b7 Respect cutoff timestamp during flush (#11599) 
Summary:
Make flush respect the cutoff timestamp `full_history_ts_low` as much as possible for the user-defined timestamps in Memtables only feature. We achieve this by not proceeding with the actual flushing but instead reschedule the same `FlushRequest` so a follow up flush job can continue with the check after some interval.

This approach doesn't work well for atomic flush, so this feature currently is not supported in combination with atomic flush. Furthermore, this approach also requires a customized method to get the next immediately bigger user-defined timestamp. So currently it's limited to comparator that use uint64_t as the user-defined timestamp format. This support can be extended when we add such a customized method to `AdvancedColumnFamilyOptions`.

For non atomic flush request, at any single time, a column family can only have as many as one FlushRequest for it in the `flush_queue_`. There is deduplication done at `FlushRequest` enqueueing(`SchedulePendingFlush`) and dequeueing time (`PopFirstFromFlushQueue`). We hold the db mutex between when a `FlushRequest` is popped from the queue and the same FlushRequest get rescheduled, so no other `FlushRequest` with a higher `max_memtable_id` can be added to the `flush_queue_` blocking us from re-enqueueing the same `FlushRequest`.

Flush is continued nevertheless if there is risk of entering write stall mode had the flush being postponed, e.g. due to accumulation of write buffers, exceeding the `max_write_buffer_number` setting. When this happens, the newest user-defined timestamp in the involved Memtables need to be tracked and we use it to increase the `full_history_ts_low`, which is an inclusive cutoff timestamp for which RocksDB promises to keep all user-defined timestamps equal to and newer than it.

Tet plan:
```
./column_family_test --gtest_filter="*RetainUDT*"
./memtable_list_test --gtest_filter="*WithTimestamp*"
./flush_job_test --gtest_filter="*WithTimestamp*"
```

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11599

Reviewed By: ajkr

Differential Revision: D47561586

Pulled By: jowlyzhang

fbshipit-source-id: 9400445f983dd6eac489e9dd0fb5d9b99637fe89
2023-07-26 16:25:06 -07:00

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// Copyright (c) 2016-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).
#include <algorithm>
#include <string>
#include <vector>
#include "db/db_impl/db_impl.h"
#include "db/db_test_util.h"
#include "db/db_with_timestamp_test_util.h"
#include "file/file_util.h"
#include "rocksdb/comparator.h"
#include "rocksdb/db.h"
#include "rocksdb/options.h"
#include "rocksdb/transaction_log.h"
#include "table/unique_id_impl.h"
#include "util/string_util.h"
namespace ROCKSDB_NAMESPACE {
class RepairTest : public DBTestBase {
public:
RepairTest() : DBTestBase("repair_test", /*env_do_fsync=*/true) {}
Status GetFirstSstPath(std::string* first_sst_path) {
assert(first_sst_path != nullptr);
first_sst_path->clear();
uint64_t manifest_size;
std::vector<std::string> files;
Status s = db_->GetLiveFiles(files, &manifest_size);
if (s.ok()) {
auto sst_iter =
std::find_if(files.begin(), files.end(), [](const std::string& file) {
uint64_t number;
FileType type;
bool ok = ParseFileName(file, &number, &type);
return ok && type == kTableFile;
});
*first_sst_path = sst_iter == files.end() ? "" : dbname_ + *sst_iter;
}
return s;
}
void ReopenWithSstIdVerify() {
std::atomic_int verify_passed{0};
SyncPoint::GetInstance()->SetCallBack(
"BlockBasedTable::Open::PassedVerifyUniqueId", [&](void* arg) {
// override job status
auto id = static_cast<UniqueId64x2*>(arg);
assert(*id != kNullUniqueId64x2);
verify_passed++;
});
SyncPoint::GetInstance()->EnableProcessing();
auto options = CurrentOptions();
options.verify_sst_unique_id_in_manifest = true;
Reopen(options);
ASSERT_GT(verify_passed, 0);
SyncPoint::GetInstance()->DisableProcessing();
}
std::vector<FileMetaData*> GetLevelFileMetadatas(int level, int cf = 0) {
VersionSet* const versions = dbfull()->GetVersionSet();
assert(versions);
ColumnFamilyData* const cfd =
versions->GetColumnFamilySet()->GetColumnFamily(cf);
assert(cfd);
Version* const current = cfd->current();
assert(current);
VersionStorageInfo* const storage_info = current->storage_info();
assert(storage_info);
return storage_info->LevelFiles(level);
}
};
TEST_F(RepairTest, SortRepairedDBL0ByEpochNumber) {
Options options = CurrentOptions();
DestroyAndReopen(options);
ASSERT_OK(Put("k1", "oldest"));
ASSERT_OK(Put("k1", "older"));
ASSERT_OK(Flush());
MoveFilesToLevel(1);
ASSERT_OK(Put("k1", "old"));
ASSERT_OK(Flush());
ASSERT_OK(Put("k1", "new"));
std::vector<FileMetaData*> level0_files = GetLevelFileMetadatas(0 /* level*/);
ASSERT_EQ(level0_files.size(), 1);
ASSERT_EQ(level0_files[0]->epoch_number, 2);
std::vector<FileMetaData*> level1_files = GetLevelFileMetadatas(1 /* level*/);
ASSERT_EQ(level1_files.size(), 1);
ASSERT_EQ(level1_files[0]->epoch_number, 1);
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
EXPECT_EQ(Get("k1"), "new");
level0_files = GetLevelFileMetadatas(0 /* level*/);
ASSERT_EQ(level0_files.size(), 3);
EXPECT_EQ(level0_files[0]->epoch_number, 3);
EXPECT_EQ(level0_files[1]->epoch_number, 2);
EXPECT_EQ(level0_files[2]->epoch_number, 1);
level1_files = GetLevelFileMetadatas(1 /* level*/);
ASSERT_EQ(level1_files.size(), 0);
}
TEST_F(RepairTest, LostManifest) {
// Add a couple SST files, delete the manifest, and verify RepairDB() saves
// the day.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Flush());
// Need to get path before Close() deletes db_, but delete it after Close() to
// ensure Close() didn't change the manifest.
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
ASSERT_EQ(Get("key"), "val");
ASSERT_EQ(Get("key2"), "val2");
}
TEST_F(RepairTest, LostManifestMoreDbFeatures) {
// Add a couple SST files, delete the manifest, and verify RepairDB() saves
// the day.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Put("key3", "val3"));
ASSERT_OK(Put("key4", "val4"));
ASSERT_OK(Flush());
// Test an SST file containing only a range tombstone
ASSERT_OK(db_->DeleteRange(WriteOptions(), db_->DefaultColumnFamily(), "key2",
"key3z"));
ASSERT_OK(Flush());
// Need to get path before Close() deletes db_, but delete it after Close() to
// ensure Close() didn't change the manifest.
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
// repair from sst should work with unique_id verification
ReopenWithSstIdVerify();
ASSERT_EQ(Get("key"), "val");
ASSERT_EQ(Get("key2"), "NOT_FOUND");
ASSERT_EQ(Get("key3"), "NOT_FOUND");
ASSERT_EQ(Get("key4"), "val4");
}
TEST_F(RepairTest, CorruptManifest) {
// Manifest is in an invalid format. Expect a full recovery.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Flush());
// Need to get path before Close() deletes db_, but overwrite it after Close()
// to ensure Close() didn't change the manifest.
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(CreateFile(env_->GetFileSystem(), manifest_path, "blah",
false /* use_fsync */));
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
ASSERT_EQ(Get("key"), "val");
ASSERT_EQ(Get("key2"), "val2");
}
TEST_F(RepairTest, IncompleteManifest) {
// In this case, the manifest is valid but does not reference all of the SST
// files. Expect a full recovery.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
std::string orig_manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
CopyFile(orig_manifest_path, orig_manifest_path + ".tmp");
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Flush());
// Need to get path before Close() deletes db_, but overwrite it after Close()
// to ensure Close() didn't change the manifest.
std::string new_manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(new_manifest_path));
// Replace the manifest with one that is only aware of the first SST file.
CopyFile(orig_manifest_path + ".tmp", new_manifest_path);
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
ASSERT_EQ(Get("key"), "val");
ASSERT_EQ(Get("key2"), "val2");
}
TEST_F(RepairTest, PostRepairSstFileNumbering) {
// Verify after a DB is repaired, new files will be assigned higher numbers
// than old files.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Flush());
uint64_t pre_repair_file_num = dbfull()->TEST_Current_Next_FileNo();
Close();
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
uint64_t post_repair_file_num = dbfull()->TEST_Current_Next_FileNo();
ASSERT_GE(post_repair_file_num, pre_repair_file_num);
}
TEST_F(RepairTest, LostSst) {
// Delete one of the SST files but preserve the manifest that refers to it,
// then verify the DB is still usable for the intact SST.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Flush());
std::string sst_path;
ASSERT_OK(GetFirstSstPath(&sst_path));
ASSERT_FALSE(sst_path.empty());
ASSERT_OK(env_->DeleteFile(sst_path));
Close();
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
// Exactly one of the key-value pairs should be in the DB now.
ASSERT_TRUE((Get("key") == "val") != (Get("key2") == "val2"));
}
TEST_F(RepairTest, CorruptSst) {
// Corrupt one of the SST files but preserve the manifest that refers to it,
// then verify the DB is still usable for the intact SST.
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
ASSERT_OK(Put("key2", "val2"));
ASSERT_OK(Flush());
std::string sst_path;
ASSERT_OK(GetFirstSstPath(&sst_path));
ASSERT_FALSE(sst_path.empty());
ASSERT_OK(CreateFile(env_->GetFileSystem(), sst_path, "blah",
false /* use_fsync */));
Close();
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
// Exactly one of the key-value pairs should be in the DB now.
ASSERT_TRUE((Get("key") == "val") != (Get("key2") == "val2"));
}
TEST_F(RepairTest, UnflushedSst) {
// This test case invokes repair while some data is unflushed, then verifies
// that data is in the db.
ASSERT_OK(Put("key", "val"));
VectorLogPtr wal_files;
ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
ASSERT_EQ(wal_files.size(), 1);
{
uint64_t total_ssts_size;
std::unordered_map<std::string, uint64_t> sst_files;
ASSERT_OK(GetAllDataFiles(kTableFile, &sst_files, &total_ssts_size));
ASSERT_EQ(total_ssts_size, 0);
}
// Need to get path before Close() deletes db_, but delete it after Close() to
// ensure Close() didn't change the manifest.
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithSstIdVerify();
ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
ASSERT_EQ(wal_files.size(), 0);
{
uint64_t total_ssts_size;
std::unordered_map<std::string, uint64_t> sst_files;
ASSERT_OK(GetAllDataFiles(kTableFile, &sst_files, &total_ssts_size));
ASSERT_GT(total_ssts_size, 0);
}
ASSERT_EQ(Get("key"), "val");
}
// Test parameters:
// param 0): paranoid file check
// param 1): user-defined timestamp test mode
class RepairTestWithTimestamp
: public DBBasicTestWithTimestampBase,
public testing::WithParamInterface<
std::tuple<bool, test::UserDefinedTimestampTestMode>> {
public:
RepairTestWithTimestamp()
: DBBasicTestWithTimestampBase("repair_test_with_timestamp") {}
Status Put(const Slice& key, const Slice& ts, const Slice& value) {
WriteOptions write_opts;
return db_->Put(write_opts, handles_[0], key, ts, value);
}
void CheckGet(const ReadOptions& read_opts, const Slice& key,
const std::string& expected_value,
const std::string& expected_ts) {
std::string actual_value;
std::string actual_ts;
ASSERT_OK(db_->Get(read_opts, handles_[0], key, &actual_value, &actual_ts));
ASSERT_EQ(expected_value, actual_value);
ASSERT_EQ(expected_ts, actual_ts);
}
void CheckFileBoundaries(const Slice& smallest_user_key,
const Slice& largest_user_key) {
std::vector<std::vector<FileMetaData>> level_to_files;
dbfull()->TEST_GetFilesMetaData(dbfull()->DefaultColumnFamily(),
&level_to_files);
ASSERT_GT(level_to_files.size(), 1);
// L0 only has one SST file.
ASSERT_EQ(level_to_files[0].size(), 1);
auto file_meta = level_to_files[0][0];
ASSERT_EQ(smallest_user_key, file_meta.smallest.user_key());
ASSERT_EQ(largest_user_key, file_meta.largest.user_key());
}
};
TEST_P(RepairTestWithTimestamp, UnflushedSst) {
Destroy(last_options_);
bool paranoid_file_checks = std::get<0>(GetParam());
bool persist_udt = test::ShouldPersistUDT(std::get<1>(GetParam()));
std::string smallest_ukey_without_ts = "bar";
std::string largest_ukey_without_ts = "foo";
Options options = CurrentOptions();
options.env = env_;
options.create_if_missing = true;
std::string min_ts;
std::string write_ts;
PutFixed64(&min_ts, 0);
PutFixed64(&write_ts, 1);
options.comparator = test::BytewiseComparatorWithU64TsWrapper();
options.persist_user_defined_timestamps = persist_udt;
if (!persist_udt) {
options.allow_concurrent_memtable_write = false;
}
options.paranoid_file_checks = paranoid_file_checks;
ColumnFamilyOptions cf_options(options);
std::vector<ColumnFamilyDescriptor> column_families;
column_families.push_back(
ColumnFamilyDescriptor(kDefaultColumnFamilyName, cf_options));
ASSERT_OK(DB::Open(options, dbname_, column_families, &handles_, &db_));
ASSERT_OK(Put(smallest_ukey_without_ts, write_ts,
smallest_ukey_without_ts + ":val"));
ASSERT_OK(
Put(largest_ukey_without_ts, write_ts, largest_ukey_without_ts + ":val"));
VectorLogPtr wal_files;
ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
ASSERT_EQ(wal_files.size(), 1);
{
uint64_t total_ssts_size;
std::unordered_map<std::string, uint64_t> sst_files;
ASSERT_OK(GetAllDataFiles(kTableFile, &sst_files, &total_ssts_size));
ASSERT_EQ(total_ssts_size, 0);
}
// Need to get path before Close() deletes db_, but delete it after Close() to
// ensure Close() didn't change the manifest.
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, options));
ASSERT_OK(DB::Open(options, dbname_, column_families, &handles_, &db_));
ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
ASSERT_EQ(wal_files.size(), 0);
{
uint64_t total_ssts_size;
std::unordered_map<std::string, uint64_t> sst_files;
ASSERT_OK(GetAllDataFiles(kTableFile, &sst_files, &total_ssts_size));
ASSERT_GT(total_ssts_size, 0);
}
// Check file boundaries are correct for different
// `persist_user_defined_timestamps` option values.
if (persist_udt) {
CheckFileBoundaries(smallest_ukey_without_ts + write_ts,
largest_ukey_without_ts + write_ts);
} else {
CheckFileBoundaries(smallest_ukey_without_ts + min_ts,
largest_ukey_without_ts + min_ts);
}
ReadOptions read_opts;
Slice read_ts_slice = write_ts;
read_opts.timestamp = &read_ts_slice;
if (persist_udt) {
CheckGet(read_opts, smallest_ukey_without_ts,
smallest_ukey_without_ts + ":val", write_ts);
CheckGet(read_opts, largest_ukey_without_ts,
largest_ukey_without_ts + ":val", write_ts);
} else {
// TODO(yuzhangyu): currently when `persist_user_defined_timestamps` is
// false, ts is unconditionally stripped during flush.
// When `full_history_ts_low` is set and respected during flush.
// We should prohibit reading below `full_history_ts_low` all together.
CheckGet(read_opts, smallest_ukey_without_ts,
smallest_ukey_without_ts + ":val", min_ts);
CheckGet(read_opts, largest_ukey_without_ts,
largest_ukey_without_ts + ":val", min_ts);
}
}
// Param 0: paranoid file check
// Param 1: test mode for the user-defined timestamp feature
INSTANTIATE_TEST_CASE_P(
UnflushedSst, RepairTestWithTimestamp,
::testing::Combine(
::testing::Bool(),
::testing::Values(
test::UserDefinedTimestampTestMode::kStripUserDefinedTimestamp,
test::UserDefinedTimestampTestMode::kNormal)));
TEST_F(RepairTest, SeparateWalDir) {
do {
Options options = CurrentOptions();
DestroyAndReopen(options);
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Put("foo", "bar"));
VectorLogPtr wal_files;
ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
ASSERT_EQ(wal_files.size(), 1);
{
uint64_t total_ssts_size;
std::unordered_map<std::string, uint64_t> sst_files;
ASSERT_OK(GetAllDataFiles(kTableFile, &sst_files, &total_ssts_size));
ASSERT_EQ(total_ssts_size, 0);
}
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, options));
// make sure that all WALs are converted to SSTables.
options.wal_dir = "";
ReopenWithSstIdVerify();
ASSERT_OK(dbfull()->GetSortedWalFiles(wal_files));
ASSERT_EQ(wal_files.size(), 0);
{
uint64_t total_ssts_size;
std::unordered_map<std::string, uint64_t> sst_files;
ASSERT_OK(GetAllDataFiles(kTableFile, &sst_files, &total_ssts_size));
ASSERT_GT(total_ssts_size, 0);
}
ASSERT_EQ(Get("key"), "val");
ASSERT_EQ(Get("foo"), "bar");
} while (ChangeWalOptions());
}
TEST_F(RepairTest, RepairMultipleColumnFamilies) {
// Verify repair logic associates SST files with their original column
// families.
const int kNumCfs = 3;
const int kEntriesPerCf = 2;
DestroyAndReopen(CurrentOptions());
CreateAndReopenWithCF({"pikachu1", "pikachu2"}, CurrentOptions());
for (int i = 0; i < kNumCfs; ++i) {
for (int j = 0; j < kEntriesPerCf; ++j) {
ASSERT_OK(Put(i, "key" + std::to_string(j), "val" + std::to_string(j)));
if (j == kEntriesPerCf - 1 && i == kNumCfs - 1) {
// Leave one unflushed so we can verify WAL entries are properly
// associated with column families.
continue;
}
ASSERT_OK(Flush(i));
}
}
// Need to get path before Close() deletes db_, but delete it after Close() to
// ensure Close() doesn't re-create the manifest.
std::string manifest_path =
DescriptorFileName(dbname_, dbfull()->TEST_Current_Manifest_FileNo());
Close();
ASSERT_OK(env_->FileExists(manifest_path));
ASSERT_OK(env_->DeleteFile(manifest_path));
ASSERT_OK(RepairDB(dbname_, CurrentOptions()));
ReopenWithColumnFamilies({"default", "pikachu1", "pikachu2"},
CurrentOptions());
for (int i = 0; i < kNumCfs; ++i) {
for (int j = 0; j < kEntriesPerCf; ++j) {
ASSERT_EQ(Get(i, "key" + std::to_string(j)), "val" + std::to_string(j));
}
}
}
TEST_F(RepairTest, RepairColumnFamilyOptions) {
// Verify repair logic uses correct ColumnFamilyOptions when repairing a
// database with different options for column families.
const int kNumCfs = 2;
const int kEntriesPerCf = 2;
Options opts(CurrentOptions()), rev_opts(CurrentOptions());
opts.comparator = BytewiseComparator();
rev_opts.comparator = ReverseBytewiseComparator();
DestroyAndReopen(opts);
CreateColumnFamilies({"reverse"}, rev_opts);
ReopenWithColumnFamilies({"default", "reverse"},
std::vector<Options>{opts, rev_opts});
for (int i = 0; i < kNumCfs; ++i) {
for (int j = 0; j < kEntriesPerCf; ++j) {
ASSERT_OK(Put(i, "key" + std::to_string(j), "val" + std::to_string(j)));
if (i == kNumCfs - 1 && j == kEntriesPerCf - 1) {
// Leave one unflushed so we can verify RepairDB's flush logic
continue;
}
ASSERT_OK(Flush(i));
}
}
Close();
// RepairDB() records the comparator in the manifest, and DB::Open would fail
// if a different comparator were used.
ASSERT_OK(RepairDB(dbname_, opts, {{"default", opts}, {"reverse", rev_opts}},
opts /* unknown_cf_opts */));
ASSERT_OK(TryReopenWithColumnFamilies({"default", "reverse"},
std::vector<Options>{opts, rev_opts}));
for (int i = 0; i < kNumCfs; ++i) {
for (int j = 0; j < kEntriesPerCf; ++j) {
ASSERT_EQ(Get(i, "key" + std::to_string(j)), "val" + std::to_string(j));
}
}
// Examine table properties to verify RepairDB() used the right options when
// converting WAL->SST
TablePropertiesCollection fname_to_props;
ASSERT_OK(db_->GetPropertiesOfAllTables(handles_[1], &fname_to_props));
ASSERT_EQ(fname_to_props.size(), 2U);
for (const auto& fname_and_props : fname_to_props) {
std::string comparator_name(rev_opts.comparator->Name());
ASSERT_EQ(comparator_name, fname_and_props.second->comparator_name);
}
Close();
// Also check comparator when it's provided via "unknown" CF options
ASSERT_OK(RepairDB(dbname_, opts, {{"default", opts}},
rev_opts /* unknown_cf_opts */));
ASSERT_OK(TryReopenWithColumnFamilies({"default", "reverse"},
std::vector<Options>{opts, rev_opts}));
for (int i = 0; i < kNumCfs; ++i) {
for (int j = 0; j < kEntriesPerCf; ++j) {
ASSERT_EQ(Get(i, "key" + std::to_string(j)), "val" + std::to_string(j));
}
}
}
TEST_F(RepairTest, DbNameContainsTrailingSlash) {
{
bool tmp;
if (env_->AreFilesSame("", "", &tmp).IsNotSupported()) {
fprintf(stderr,
"skipping RepairTest.DbNameContainsTrailingSlash due to "
"unsupported Env::AreFilesSame\n");
return;
}
}
ASSERT_OK(Put("key", "val"));
ASSERT_OK(Flush());
Close();
ASSERT_OK(RepairDB(dbname_ + "/", CurrentOptions()));
ReopenWithSstIdVerify();
ASSERT_EQ(Get("key"), "val");
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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