support bulk loading with universal compaction
Summary: Support buck load with universal compaction. More test cases to be added. Closes https://github.com/facebook/rocksdb/pull/2202 Differential Revision: D4935360 Pulled By: lightmark fbshipit-source-id: cc3ca1b6f42faa503207dab1408d6bcf393ee5b5
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7eddecce12
@ -342,8 +342,6 @@ Compaction* UniversalCompactionPicker::PickCompaction(
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assert(f->smallest_seqno <= f->largest_seqno);
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if (is_first) {
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is_first = false;
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} else {
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assert(prev_smallest_seqno > f->largest_seqno);
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}
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prev_smallest_seqno = f->smallest_seqno;
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}
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@ -2532,7 +2532,8 @@ Status DBImpl::IngestExternalFile(
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if (status.ok()) {
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bool need_flush = false;
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status = ingestion_job.NeedsFlush(&need_flush);
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TEST_SYNC_POINT_CALLBACK("DBImpl::IngestExternalFile:NeedFlush",
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&need_flush);
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if (status.ok() && need_flush) {
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mutex_.Unlock();
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status = FlushMemTable(cfd, FlushOptions(), true /* writes_stopped */);
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@ -182,92 +182,94 @@ TEST_F(ExternalSSTFileBasicTest, NoCopy) {
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}
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TEST_F(ExternalSSTFileBasicTest, IngestFileWithGlobalSeqnoPickedSeqno) {
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Options options = CurrentOptions();
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DestroyAndReopen(options);
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std::map<std::string, std::string> true_data;
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do {
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Options options = CurrentOptions();
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DestroyAndReopen(options);
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std::map<std::string, std::string> true_data;
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int file_id = 1;
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int file_id = 1;
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ASSERT_OK(GenerateAndAddExternalFile(options, {1, 2, 3, 4, 5, 6}, file_id++,
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&true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
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ASSERT_OK(GenerateAndAddExternalFile(options, {1, 2, 3, 4, 5, 6}, file_id++,
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&true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
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ASSERT_OK(GenerateAndAddExternalFile(options, {10, 11, 12, 13}, file_id++,
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&true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
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ASSERT_OK(GenerateAndAddExternalFile(options, {10, 11, 12, 13}, file_id++,
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&true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 0);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {1, 4, 6}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 1);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {1, 4, 6}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 1);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {11, 15, 19}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
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ASSERT_OK(GenerateAndAddExternalFile(options, {11, 15, 19}, file_id++,
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&true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {120, 130}, file_id++, &true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {120, 130}, file_id++, &true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 2);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {1, 130}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 3);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {1, 130}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), 3);
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// Write some keys through normal write path
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for (int i = 0; i < 50; i++) {
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ASSERT_OK(Put(Key(i), "memtable"));
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true_data[Key(i)] = "memtable";
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}
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SequenceNumber last_seqno = dbfull()->GetLatestSequenceNumber();
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// Write some keys through normal write path
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for (int i = 0; i < 50; i++) {
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ASSERT_OK(Put(Key(i), "memtable"));
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true_data[Key(i)] = "memtable";
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}
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SequenceNumber last_seqno = dbfull()->GetLatestSequenceNumber();
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {60, 61, 62}, file_id++, &true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno);
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ASSERT_OK(GenerateAndAddExternalFile(options, {60, 61, 62}, file_id++,
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&true_data));
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// File dont overwrite any keys, No seqno needed
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {40, 41, 42}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 1);
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ASSERT_OK(GenerateAndAddExternalFile(options, {40, 41, 42}, file_id++,
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&true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 1);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {20, 30, 40}, file_id++, &true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 2);
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ASSERT_OK(GenerateAndAddExternalFile(options, {20, 30, 40}, file_id++,
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&true_data));
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// File overwrite some keys, a seqno will be assigned
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 2);
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const Snapshot* snapshot = db_->GetSnapshot();
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const Snapshot* snapshot = db_->GetSnapshot();
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// We will need a seqno for the file regardless if the file overwrite
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// keys in the DB or not because we have a snapshot
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {1000, 1002}, file_id++, &true_data));
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// A global seqno will be assigned anyway because of the snapshot
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 3);
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// We will need a seqno for the file regardless if the file overwrite
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// keys in the DB or not because we have a snapshot
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ASSERT_OK(GenerateAndAddExternalFile(options, {1000, 1002}, file_id++,
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&true_data));
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// A global seqno will be assigned anyway because of the snapshot
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 3);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {2000, 3002}, file_id++, &true_data));
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// A global seqno will be assigned anyway because of the snapshot
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 4);
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ASSERT_OK(GenerateAndAddExternalFile(options, {2000, 3002}, file_id++,
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&true_data));
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// A global seqno will be assigned anyway because of the snapshot
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 4);
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ASSERT_OK(GenerateAndAddExternalFile(options, {1, 20, 40, 100, 150},
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file_id++, &true_data));
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// A global seqno will be assigned anyway because of the snapshot
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
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ASSERT_OK(GenerateAndAddExternalFile(options, {1, 20, 40, 100, 150},
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file_id++, &true_data));
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// A global seqno will be assigned anyway because of the snapshot
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
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db_->ReleaseSnapshot(snapshot);
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db_->ReleaseSnapshot(snapshot);
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ASSERT_OK(
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GenerateAndAddExternalFile(options, {5000, 5001}, file_id++, &true_data));
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// No snapshot anymore, no need to assign a seqno
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
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ASSERT_OK(GenerateAndAddExternalFile(options, {5000, 5001}, file_id++,
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&true_data));
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// No snapshot anymore, no need to assign a seqno
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ASSERT_EQ(dbfull()->GetLatestSequenceNumber(), last_seqno + 5);
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size_t kcnt = 0;
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VerifyDBFromMap(true_data, &kcnt, false);
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size_t kcnt = 0;
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VerifyDBFromMap(true_data, &kcnt, false);
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} while (ChangeCompactOptions());
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}
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TEST_F(ExternalSSTFileBasicTest, FadviseTrigger) {
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@ -156,34 +156,34 @@ Status ExternalSstFileIngestionJob::Run() {
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bool consumed_seqno = false;
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bool force_global_seqno = false;
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const SequenceNumber last_seqno = versions_->LastSequence();
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if (ingestion_options_.snapshot_consistency && !db_snapshots_->empty()) {
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// We need to assign a global sequence number to all the files even
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// if the dont overlap with any ranges since we have snapshots
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force_global_seqno = true;
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}
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const SequenceNumber last_seqno = versions_->LastSequence();
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SuperVersion* super_version = cfd_->GetSuperVersion();
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edit_.SetColumnFamily(cfd_->GetID());
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// The levels that the files will be ingested into
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for (IngestedFileInfo& f : files_to_ingest_) {
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bool overlap_with_db = false;
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status = AssignLevelForIngestedFile(super_version, &f, &overlap_with_db);
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SequenceNumber assigned_seqno = 0;
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status = AssignLevelAndSeqnoForIngestedFile(
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super_version, force_global_seqno, cfd_->ioptions()->compaction_style,
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&f, &assigned_seqno);
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if (!status.ok()) {
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return status;
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}
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if (overlap_with_db || force_global_seqno) {
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status = AssignGlobalSeqnoForIngestedFile(&f, last_seqno + 1);
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status = AssignGlobalSeqnoForIngestedFile(&f, assigned_seqno);
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TEST_SYNC_POINT_CALLBACK("ExternalSstFileIngestionJob::Run",
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&assigned_seqno);
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if (assigned_seqno == last_seqno + 1) {
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consumed_seqno = true;
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} else {
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status = AssignGlobalSeqnoForIngestedFile(&f, 0);
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}
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if (!status.ok()) {
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return status;
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}
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edit_.AddFile(f.picked_level, f.fd.GetNumber(), f.fd.GetPathId(),
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f.fd.GetFileSize(), f.smallest_internal_key(),
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f.largest_internal_key(), f.assigned_seqno, f.assigned_seqno,
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@ -388,15 +388,25 @@ Status ExternalSstFileIngestionJob::IngestedFilesOverlapWithMemtables(
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return status;
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}
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Status ExternalSstFileIngestionJob::AssignLevelForIngestedFile(
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SuperVersion* sv, IngestedFileInfo* file_to_ingest, bool* overlap_with_db) {
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*overlap_with_db = false;
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Status ExternalSstFileIngestionJob::AssignLevelAndSeqnoForIngestedFile(
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SuperVersion* sv, bool force_global_seqno, CompactionStyle compaction_style,
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IngestedFileInfo* file_to_ingest, SequenceNumber* assigned_seqno) {
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Status status;
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*assigned_seqno = 0;
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const SequenceNumber last_seqno = versions_->LastSequence();
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if (force_global_seqno) {
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*assigned_seqno = last_seqno + 1;
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if (compaction_style == kCompactionStyleUniversal) {
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file_to_ingest->picked_level = 0;
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return status;
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}
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}
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bool overlap_with_db = false;
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Arena arena;
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ReadOptions ro;
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ro.total_order_seek = true;
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Status status;
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int target_level = 0;
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auto* vstorage = cfd_->current()->storage_info();
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for (int lvl = 0; lvl < cfd_->NumberLevels(); lvl++) {
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@ -423,24 +433,46 @@ Status ExternalSstFileIngestionJob::AssignLevelForIngestedFile(
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if (!status.ok()) {
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return status;
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}
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if (overlap_with_level) {
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// We must use L0 or any level higher than `lvl` to be able to overwrite
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// the keys that we overlap with in this level, We also need to assign
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// this file a seqno to overwrite the existing keys in level `lvl`
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*overlap_with_db = true;
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overlap_with_db = true;
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break;
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}
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if (compaction_style == kCompactionStyleUniversal && lvl != 0) {
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const std::vector<FileMetaData*>& level_files =
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vstorage->LevelFiles(lvl);
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const SequenceNumber level_largest_seqno =
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(*max_element(level_files.begin(), level_files.end(),
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[](FileMetaData* f1, FileMetaData* f2) {
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return f1->largest_seqno < f2->largest_seqno;
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}))
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->largest_seqno;
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if (level_largest_seqno != 0) {
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*assigned_seqno = level_largest_seqno;
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} else {
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continue;
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}
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}
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} else if (compaction_style == kCompactionStyleUniversal) {
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continue;
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}
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// We dont overlap with any keys in this level, but we still need to check
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// if our file can fit in it
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if (IngestedFileFitInLevel(file_to_ingest, lvl)) {
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target_level = lvl;
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}
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}
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TEST_SYNC_POINT_CALLBACK(
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"ExternalSstFileIngestionJob::AssignLevelAndSeqnoForIngestedFile",
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&overlap_with_db);
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file_to_ingest->picked_level = target_level;
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if (overlap_with_db && *assigned_seqno == 0) {
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*assigned_seqno = last_seqno + 1;
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}
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return status;
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}
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@ -114,12 +114,14 @@ class ExternalSstFileIngestionJob {
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// REQUIRES: Mutex held
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Status IngestedFilesOverlapWithMemtables(SuperVersion* sv, bool* overlap);
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// Assign `file_to_ingest` the lowest possible level that it can
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// be ingested to.
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// Assign `file_to_ingest` the appropriate sequence number and the lowest
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// possible level that it can be ingested to according to compaction_style.
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// REQUIRES: Mutex held
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Status AssignLevelForIngestedFile(SuperVersion* sv,
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IngestedFileInfo* file_to_ingest,
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bool* overlap_with_db);
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Status AssignLevelAndSeqnoForIngestedFile(SuperVersion* sv,
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bool force_global_seqno,
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CompactionStyle compaction_style,
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IngestedFileInfo* file_to_ingest,
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SequenceNumber* assigned_seqno);
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// Set the file global sequence number to `seqno`
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Status AssignGlobalSeqnoForIngestedFile(IngestedFileInfo* file_to_ingest,
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@ -315,8 +315,7 @@ TEST_F(ExternalSSTFileTest, Basic) {
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ASSERT_EQ(Get(Key(k)), value);
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}
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DestroyAndRecreateExternalSSTFilesDir();
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} while (ChangeOptions(kSkipPlainTable | kSkipUniversalCompaction |
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kSkipFIFOCompaction));
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} while (ChangeOptions(kSkipPlainTable | kSkipFIFOCompaction));
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}
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class SstFileWriterCollector : public TablePropertiesCollector {
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public:
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@ -556,8 +555,7 @@ TEST_F(ExternalSSTFileTest, AddList) {
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ASSERT_EQ(Get(Key(k)), value);
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}
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DestroyAndRecreateExternalSSTFilesDir();
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} while (ChangeOptions(kSkipPlainTable | kSkipUniversalCompaction |
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kSkipFIFOCompaction));
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} while (ChangeOptions(kSkipPlainTable | kSkipFIFOCompaction));
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}
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TEST_F(ExternalSSTFileTest, AddListAtomicity) {
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@ -599,8 +597,7 @@ TEST_F(ExternalSSTFileTest, AddListAtomicity) {
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ASSERT_EQ(Get(Key(k)), value);
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}
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DestroyAndRecreateExternalSSTFilesDir();
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} while (ChangeOptions(kSkipPlainTable | kSkipUniversalCompaction |
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kSkipFIFOCompaction));
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} while (ChangeOptions(kSkipPlainTable | kSkipFIFOCompaction));
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}
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// This test reporduce a bug that can happen in some cases if the DB started
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// purging obsolete files when we are adding an external sst file.
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@ -831,12 +828,31 @@ TEST_F(ExternalSSTFileTest, MultiThreaded) {
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fprintf(stderr, "Verified %d values\n", num_files * keys_per_file);
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DestroyAndRecreateExternalSSTFilesDir();
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} while (ChangeOptions(kSkipPlainTable | kSkipUniversalCompaction |
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kSkipFIFOCompaction));
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} while (ChangeOptions(kSkipPlainTable | kSkipFIFOCompaction));
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}
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TEST_F(ExternalSSTFileTest, OverlappingRanges) {
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Random rnd(301);
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int picked_level = 0;
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rocksdb::SyncPoint::GetInstance()->SetCallBack(
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"ExternalSstFileIngestionJob::Run", [&picked_level](void* arg) {
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ASSERT_TRUE(arg != nullptr);
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picked_level = *(static_cast<int*>(arg));
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});
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bool need_flush = false;
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rocksdb::SyncPoint::GetInstance()->SetCallBack(
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"DBImpl::IngestExternalFile:NeedFlush", [&need_flush](void* arg) {
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ASSERT_TRUE(arg != nullptr);
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need_flush = *(static_cast<bool*>(arg));
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});
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bool overlap_with_db = false;
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rocksdb::SyncPoint::GetInstance()->SetCallBack(
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"ExternalSstFileIngestionJob::AssignLevelAndSeqnoForIngestedFile",
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[&overlap_with_db](void* arg) {
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ASSERT_TRUE(arg != nullptr);
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overlap_with_db = *(static_cast<bool*>(arg));
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});
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rocksdb::SyncPoint::GetInstance()->EnableProcessing();
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do {
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Options options = CurrentOptions();
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DestroyAndReopen(options);
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@ -889,15 +905,27 @@ TEST_F(ExternalSSTFileTest, OverlappingRanges) {
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// Insert the generated file
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s = DeprecatedAddFile({file_name});
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auto it = true_data.lower_bound(Key(range_start));
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if (it != true_data.end() && it->first <= Key(range_end)) {
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// This range overlap with data already exist in DB
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ASSERT_NOK(s);
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failed_add_file++;
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if (option_config_ != kUniversalCompaction &&
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option_config_ != kUniversalCompactionMultiLevel) {
|
||||
if (it != true_data.end() && it->first <= Key(range_end)) {
|
||||
// This range overlap with data already exist in DB
|
||||
ASSERT_NOK(s);
|
||||
failed_add_file++;
|
||||
} else {
|
||||
ASSERT_OK(s);
|
||||
success_add_file++;
|
||||
}
|
||||
} else {
|
||||
ASSERT_OK(s);
|
||||
success_add_file++;
|
||||
if ((it != true_data.end() && it->first <= Key(range_end)) ||
|
||||
need_flush || picked_level > 0 || overlap_with_db) {
|
||||
// This range overlap with data already exist in DB
|
||||
ASSERT_NOK(s);
|
||||
failed_add_file++;
|
||||
} else {
|
||||
ASSERT_OK(s);
|
||||
success_add_file++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -930,8 +958,7 @@ TEST_F(ExternalSSTFileTest, OverlappingRanges) {
|
||||
}
|
||||
printf("keys/values verified\n");
|
||||
DestroyAndRecreateExternalSSTFilesDir();
|
||||
} while (ChangeOptions(kSkipPlainTable | kSkipUniversalCompaction |
|
||||
kSkipFIFOCompaction));
|
||||
} while (ChangeOptions(kSkipPlainTable | kSkipFIFOCompaction));
|
||||
}
|
||||
|
||||
TEST_F(ExternalSSTFileTest, PickedLevel) {
|
||||
|
Loading…
Reference in New Issue
Block a user