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rocksdb/db/version_edit_test.cc
sdong 73c1203af1 Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 
Summary:
options.periodic_compaction_seconds isn't supported when options.max_open_files != -1. It's because that the information of file creation time is stored in table properties and are not guaranteed to be loaded unless options.max_open_files = -1. Relax this constraint by storing the information in manifest.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6090

Test Plan: Pass all existing tests; Modify an existing test to force the manifest value to take 0 to simulate backward compatibility case; manually open the DB generated with the change by release 4.2.

Differential Revision: D18702268

fbshipit-source-id: 13e0bd94f546498a04f3dc5fc0d9dff5125ec9eb
2019-11-27 09:50:44 -08:00

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// 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 "db/version_edit.h"
#include "test_util/sync_point.h"
#include "test_util/testharness.h"
#include "util/coding.h"
namespace rocksdb {
static void TestEncodeDecode(const VersionEdit& edit) {
std::string encoded, encoded2;
edit.EncodeTo(&encoded);
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
parsed.EncodeTo(&encoded2);
ASSERT_EQ(encoded, encoded2);
}
class VersionEditTest : public testing::Test {};
TEST_F(VersionEditTest, EncodeDecode) {
static const uint64_t kBig = 1ull << 50;
static const uint32_t kBig32Bit = 1ull << 30;
VersionEdit edit;
for (int i = 0; i < 4; i++) {
TestEncodeDecode(edit);
edit.AddFile(3, kBig + 300 + i, kBig32Bit + 400 + i, 0,
InternalKey("foo", kBig + 500 + i, kTypeValue),
InternalKey("zoo", kBig + 600 + i, kTypeDeletion),
kBig + 500 + i, kBig + 600 + i, false, kInvalidBlobFileNumber,
888, 678);
edit.DeleteFile(4, kBig + 700 + i);
}
edit.SetComparatorName("foo");
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, EncodeDecodeNewFile4) {
static const uint64_t kBig = 1ull << 50;
VersionEdit edit;
edit.AddFile(3, 300, 3, 100, InternalKey("foo", kBig + 500, kTypeValue),
InternalKey("zoo", kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime);
edit.AddFile(4, 301, 3, 100, InternalKey("foo", kBig + 501, kTypeValue),
InternalKey("zoo", kBig + 601, kTypeDeletion), kBig + 501,
kBig + 601, false, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime);
edit.AddFile(5, 302, 0, 100, InternalKey("foo", kBig + 502, kTypeValue),
InternalKey("zoo", kBig + 602, kTypeDeletion), kBig + 502,
kBig + 602, true, kInvalidBlobFileNumber, 666, 888);
edit.AddFile(5, 303, 0, 100, InternalKey("foo", kBig + 503, kTypeBlobIndex),
InternalKey("zoo", kBig + 603, kTypeBlobIndex), kBig + 503,
kBig + 603, true, 1001, kUnknownOldestAncesterTime,
kUnknownFileCreationTime);
;
edit.DeleteFile(4, 700);
edit.SetComparatorName("foo");
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
TestEncodeDecode(edit);
std::string encoded, encoded2;
edit.EncodeTo(&encoded);
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
auto& new_files = parsed.GetNewFiles();
ASSERT_TRUE(new_files[0].second.marked_for_compaction);
ASSERT_TRUE(!new_files[1].second.marked_for_compaction);
ASSERT_TRUE(new_files[2].second.marked_for_compaction);
ASSERT_TRUE(new_files[3].second.marked_for_compaction);
ASSERT_EQ(3u, new_files[0].second.fd.GetPathId());
ASSERT_EQ(3u, new_files[1].second.fd.GetPathId());
ASSERT_EQ(0u, new_files[2].second.fd.GetPathId());
ASSERT_EQ(0u, new_files[3].second.fd.GetPathId());
ASSERT_EQ(kInvalidBlobFileNumber,
new_files[0].second.oldest_blob_file_number);
ASSERT_EQ(kInvalidBlobFileNumber,
new_files[1].second.oldest_blob_file_number);
ASSERT_EQ(kInvalidBlobFileNumber,
new_files[2].second.oldest_blob_file_number);
ASSERT_EQ(1001, new_files[3].second.oldest_blob_file_number);
}
TEST_F(VersionEditTest, ForwardCompatibleNewFile4) {
static const uint64_t kBig = 1ull << 50;
VersionEdit edit;
edit.AddFile(3, 300, 3, 100, InternalKey("foo", kBig + 500, kTypeValue),
InternalKey("zoo", kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime);
edit.AddFile(4, 301, 3, 100, InternalKey("foo", kBig + 501, kTypeValue),
InternalKey("zoo", kBig + 601, kTypeDeletion), kBig + 501,
kBig + 601, false, kInvalidBlobFileNumber, 686, 868);
edit.DeleteFile(4, 700);
edit.SetComparatorName("foo");
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
std::string encoded;
// Call back function to add extra customized builds.
bool first = true;
rocksdb::SyncPoint::GetInstance()->SetCallBack(
"VersionEdit::EncodeTo:NewFile4:CustomizeFields", [&](void* arg) {
std::string* str = reinterpret_cast<std::string*>(arg);
PutVarint32(str, 33);
const std::string str1 = "random_string";
PutLengthPrefixedSlice(str, str1);
if (first) {
first = false;
PutVarint32(str, 22);
const std::string str2 = "s";
PutLengthPrefixedSlice(str, str2);
}
});
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
edit.EncodeTo(&encoded);
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_TRUE(s.ok()) << s.ToString();
ASSERT_TRUE(!first);
auto& new_files = parsed.GetNewFiles();
ASSERT_TRUE(new_files[0].second.marked_for_compaction);
ASSERT_TRUE(!new_files[1].second.marked_for_compaction);
ASSERT_EQ(3u, new_files[0].second.fd.GetPathId());
ASSERT_EQ(3u, new_files[1].second.fd.GetPathId());
ASSERT_EQ(1u, parsed.GetDeletedFiles().size());
}
TEST_F(VersionEditTest, NewFile4NotSupportedField) {
static const uint64_t kBig = 1ull << 50;
VersionEdit edit;
edit.AddFile(3, 300, 3, 100, InternalKey("foo", kBig + 500, kTypeValue),
InternalKey("zoo", kBig + 600, kTypeDeletion), kBig + 500,
kBig + 600, true, kInvalidBlobFileNumber,
kUnknownOldestAncesterTime, kUnknownFileCreationTime);
edit.SetComparatorName("foo");
edit.SetLogNumber(kBig + 100);
edit.SetNextFile(kBig + 200);
edit.SetLastSequence(kBig + 1000);
std::string encoded;
// Call back function to add extra customized builds.
rocksdb::SyncPoint::GetInstance()->SetCallBack(
"VersionEdit::EncodeTo:NewFile4:CustomizeFields", [&](void* arg) {
std::string* str = reinterpret_cast<std::string*>(arg);
const std::string str1 = "s";
PutLengthPrefixedSlice(str, str1);
});
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
edit.EncodeTo(&encoded);
rocksdb::SyncPoint::GetInstance()->DisableProcessing();
VersionEdit parsed;
Status s = parsed.DecodeFrom(encoded);
ASSERT_NOK(s);
}
TEST_F(VersionEditTest, EncodeEmptyFile) {
VersionEdit edit;
edit.AddFile(0, 0, 0, 0, InternalKey(), InternalKey(), 0, 0, false,
kInvalidBlobFileNumber, kUnknownOldestAncesterTime,
kUnknownFileCreationTime);
std::string buffer;
ASSERT_TRUE(!edit.EncodeTo(&buffer));
}
TEST_F(VersionEditTest, ColumnFamilyTest) {
VersionEdit edit;
edit.SetColumnFamily(2);
edit.AddColumnFamily("column_family");
edit.SetMaxColumnFamily(5);
TestEncodeDecode(edit);
edit.Clear();
edit.SetColumnFamily(3);
edit.DropColumnFamily();
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, MinLogNumberToKeep) {
VersionEdit edit;
edit.SetMinLogNumberToKeep(13);
TestEncodeDecode(edit);
edit.Clear();
edit.SetMinLogNumberToKeep(23);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, AtomicGroupTest) {
VersionEdit edit;
edit.MarkAtomicGroup(1);
TestEncodeDecode(edit);
}
TEST_F(VersionEditTest, IgnorableField) {
VersionEdit ve;
std::string encoded;
// Size of ignorable field is too large
PutVarint32Varint64(&encoded, 2 /* kLogNumber */, 66);
// This is a customized ignorable tag
PutVarint32Varint64(&encoded,
0x2710 /* A field with kTagSafeIgnoreMask set */,
5 /* fieldlength 5 */);
encoded += "abc"; // Only fills 3 bytes,
ASSERT_NOK(ve.DecodeFrom(encoded));
encoded.clear();
// Error when seeing unidentified tag that is not ignorable
PutVarint32Varint64(&encoded, 2 /* kLogNumber */, 66);
// This is a customized ignorable tag
PutVarint32Varint64(&encoded, 666 /* A field with kTagSafeIgnoreMask unset */,
3 /* fieldlength 3 */);
encoded += "abc"; // Fill 3 bytes
PutVarint32Varint64(&encoded, 3 /* next file number */, 88);
ASSERT_NOK(ve.DecodeFrom(encoded));
// Safely ignore an identified but safely ignorable entry
encoded.clear();
PutVarint32Varint64(&encoded, 2 /* kLogNumber */, 66);
// This is a customized ignorable tag
PutVarint32Varint64(&encoded,
0x2710 /* A field with kTagSafeIgnoreMask set */,
3 /* fieldlength 3 */);
encoded += "abc"; // Fill 3 bytes
PutVarint32Varint64(&encoded, 3 /* kNextFileNumber */, 88);
ASSERT_OK(ve.DecodeFrom(encoded));
ASSERT_TRUE(ve.has_log_number());
ASSERT_TRUE(ve.has_next_file_number());
ASSERT_EQ(66, ve.log_number());
ASSERT_EQ(88, ve.next_file_number());
}
TEST_F(VersionEditTest, DbId) {
VersionEdit edit;
edit.SetDBId("ab34-cd12-435f-er00");
TestEncodeDecode(edit);
edit.Clear();
edit.SetDBId("34ba-cd12-435f-er01");
TestEncodeDecode(edit);
}
} // namespace rocksdb
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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