81b6b09f6b
Summary: Now that v2 is fully functional, the v1 aggregator is removed. The v2 aggregator has been renamed. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4778 Differential Revision: D13495930 Pulled By: abhimadan fbshipit-source-id: 9d69500a60a283e79b6c4fa938fc68a8aa4d40d6
244 lines
9.6 KiB
C++
244 lines
9.6 KiB
C++
// 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/builder.h"
|
|
|
|
#include <algorithm>
|
|
#include <deque>
|
|
#include <vector>
|
|
|
|
#include "db/compaction_iterator.h"
|
|
#include "db/dbformat.h"
|
|
#include "db/event_helpers.h"
|
|
#include "db/internal_stats.h"
|
|
#include "db/merge_helper.h"
|
|
#include "db/range_del_aggregator.h"
|
|
#include "db/table_cache.h"
|
|
#include "db/version_edit.h"
|
|
#include "monitoring/iostats_context_imp.h"
|
|
#include "monitoring/thread_status_util.h"
|
|
#include "rocksdb/db.h"
|
|
#include "rocksdb/env.h"
|
|
#include "rocksdb/iterator.h"
|
|
#include "rocksdb/options.h"
|
|
#include "rocksdb/table.h"
|
|
#include "table/block_based_table_builder.h"
|
|
#include "table/format.h"
|
|
#include "table/internal_iterator.h"
|
|
#include "util/file_reader_writer.h"
|
|
#include "util/filename.h"
|
|
#include "util/stop_watch.h"
|
|
#include "util/sync_point.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
class TableFactory;
|
|
|
|
TableBuilder* NewTableBuilder(
|
|
const ImmutableCFOptions& ioptions, const MutableCFOptions& moptions,
|
|
const InternalKeyComparator& internal_comparator,
|
|
const std::vector<std::unique_ptr<IntTblPropCollectorFactory>>*
|
|
int_tbl_prop_collector_factories,
|
|
uint32_t column_family_id, const std::string& column_family_name,
|
|
WritableFileWriter* file, const CompressionType compression_type,
|
|
const CompressionOptions& compression_opts, int level,
|
|
const std::string* compression_dict, const bool skip_filters,
|
|
const uint64_t creation_time, const uint64_t oldest_key_time) {
|
|
assert((column_family_id ==
|
|
TablePropertiesCollectorFactory::Context::kUnknownColumnFamily) ==
|
|
column_family_name.empty());
|
|
return ioptions.table_factory->NewTableBuilder(
|
|
TableBuilderOptions(ioptions, moptions, internal_comparator,
|
|
int_tbl_prop_collector_factories, compression_type,
|
|
compression_opts, compression_dict, skip_filters,
|
|
column_family_name, level, creation_time,
|
|
oldest_key_time),
|
|
column_family_id, file);
|
|
}
|
|
|
|
Status BuildTable(
|
|
const std::string& dbname, Env* env, const ImmutableCFOptions& ioptions,
|
|
const MutableCFOptions& mutable_cf_options, const EnvOptions& env_options,
|
|
TableCache* table_cache, InternalIterator* iter,
|
|
std::vector<std::unique_ptr<FragmentedRangeTombstoneIterator>>
|
|
range_del_iters,
|
|
FileMetaData* meta, const InternalKeyComparator& internal_comparator,
|
|
const std::vector<std::unique_ptr<IntTblPropCollectorFactory>>*
|
|
int_tbl_prop_collector_factories,
|
|
uint32_t column_family_id, const std::string& column_family_name,
|
|
std::vector<SequenceNumber> snapshots,
|
|
SequenceNumber earliest_write_conflict_snapshot,
|
|
SnapshotChecker* snapshot_checker, const CompressionType compression,
|
|
const CompressionOptions& compression_opts, bool paranoid_file_checks,
|
|
InternalStats* internal_stats, TableFileCreationReason reason,
|
|
EventLogger* event_logger, int job_id, const Env::IOPriority io_priority,
|
|
TableProperties* table_properties, int level, const uint64_t creation_time,
|
|
const uint64_t oldest_key_time, Env::WriteLifeTimeHint write_hint) {
|
|
assert((column_family_id ==
|
|
TablePropertiesCollectorFactory::Context::kUnknownColumnFamily) ==
|
|
column_family_name.empty());
|
|
// Reports the IOStats for flush for every following bytes.
|
|
const size_t kReportFlushIOStatsEvery = 1048576;
|
|
Status s;
|
|
meta->fd.file_size = 0;
|
|
iter->SeekToFirst();
|
|
std::unique_ptr<CompactionRangeDelAggregator> range_del_agg(
|
|
new CompactionRangeDelAggregator(&internal_comparator, snapshots));
|
|
for (auto& range_del_iter : range_del_iters) {
|
|
range_del_agg->AddTombstones(std::move(range_del_iter));
|
|
}
|
|
|
|
std::string fname = TableFileName(ioptions.cf_paths, meta->fd.GetNumber(),
|
|
meta->fd.GetPathId());
|
|
#ifndef ROCKSDB_LITE
|
|
EventHelpers::NotifyTableFileCreationStarted(
|
|
ioptions.listeners, dbname, column_family_name, fname, job_id, reason);
|
|
#endif // !ROCKSDB_LITE
|
|
TableProperties tp;
|
|
|
|
if (iter->Valid() || !range_del_agg->IsEmpty()) {
|
|
TableBuilder* builder;
|
|
std::unique_ptr<WritableFileWriter> file_writer;
|
|
{
|
|
std::unique_ptr<WritableFile> file;
|
|
#ifndef NDEBUG
|
|
bool use_direct_writes = env_options.use_direct_writes;
|
|
TEST_SYNC_POINT_CALLBACK("BuildTable:create_file", &use_direct_writes);
|
|
#endif // !NDEBUG
|
|
s = NewWritableFile(env, fname, &file, env_options);
|
|
if (!s.ok()) {
|
|
EventHelpers::LogAndNotifyTableFileCreationFinished(
|
|
event_logger, ioptions.listeners, dbname, column_family_name, fname,
|
|
job_id, meta->fd, tp, reason, s);
|
|
return s;
|
|
}
|
|
file->SetIOPriority(io_priority);
|
|
file->SetWriteLifeTimeHint(write_hint);
|
|
|
|
file_writer.reset(new WritableFileWriter(std::move(file), fname,
|
|
env_options, ioptions.statistics,
|
|
ioptions.listeners));
|
|
builder = NewTableBuilder(
|
|
ioptions, mutable_cf_options, internal_comparator,
|
|
int_tbl_prop_collector_factories, column_family_id,
|
|
column_family_name, file_writer.get(), compression, compression_opts,
|
|
level, nullptr /* compression_dict */, false /* skip_filters */,
|
|
creation_time, oldest_key_time);
|
|
}
|
|
|
|
MergeHelper merge(env, internal_comparator.user_comparator(),
|
|
ioptions.merge_operator, nullptr, ioptions.info_log,
|
|
true /* internal key corruption is not ok */,
|
|
snapshots.empty() ? 0 : snapshots.back(),
|
|
snapshot_checker);
|
|
|
|
CompactionIterator c_iter(
|
|
iter, internal_comparator.user_comparator(), &merge, kMaxSequenceNumber,
|
|
&snapshots, earliest_write_conflict_snapshot, snapshot_checker, env,
|
|
ShouldReportDetailedTime(env, ioptions.statistics),
|
|
true /* internal key corruption is not ok */, range_del_agg.get());
|
|
c_iter.SeekToFirst();
|
|
for (; c_iter.Valid(); c_iter.Next()) {
|
|
const Slice& key = c_iter.key();
|
|
const Slice& value = c_iter.value();
|
|
builder->Add(key, value);
|
|
meta->UpdateBoundaries(key, c_iter.ikey().sequence);
|
|
|
|
// TODO(noetzli): Update stats after flush, too.
|
|
if (io_priority == Env::IO_HIGH &&
|
|
IOSTATS(bytes_written) >= kReportFlushIOStatsEvery) {
|
|
ThreadStatusUtil::SetThreadOperationProperty(
|
|
ThreadStatus::FLUSH_BYTES_WRITTEN, IOSTATS(bytes_written));
|
|
}
|
|
}
|
|
|
|
auto range_del_it = range_del_agg->NewIterator();
|
|
for (range_del_it->SeekToFirst(); range_del_it->Valid();
|
|
range_del_it->Next()) {
|
|
auto tombstone = range_del_it->Tombstone();
|
|
auto kv = tombstone.Serialize();
|
|
builder->Add(kv.first.Encode(), kv.second);
|
|
meta->UpdateBoundariesForRange(kv.first, tombstone.SerializeEndKey(),
|
|
tombstone.seq_, internal_comparator);
|
|
}
|
|
|
|
// Finish and check for builder errors
|
|
tp = builder->GetTableProperties();
|
|
bool empty = builder->NumEntries() == 0 && tp.num_range_deletions == 0;
|
|
s = c_iter.status();
|
|
if (!s.ok() || empty) {
|
|
builder->Abandon();
|
|
} else {
|
|
s = builder->Finish();
|
|
}
|
|
|
|
if (s.ok() && !empty) {
|
|
uint64_t file_size = builder->FileSize();
|
|
meta->fd.file_size = file_size;
|
|
meta->marked_for_compaction = builder->NeedCompact();
|
|
assert(meta->fd.GetFileSize() > 0);
|
|
tp = builder->GetTableProperties(); // refresh now that builder is finished
|
|
if (table_properties) {
|
|
*table_properties = tp;
|
|
}
|
|
}
|
|
delete builder;
|
|
|
|
// Finish and check for file errors
|
|
if (s.ok() && !empty) {
|
|
StopWatch sw(env, ioptions.statistics, TABLE_SYNC_MICROS);
|
|
s = file_writer->Sync(ioptions.use_fsync);
|
|
}
|
|
if (s.ok() && !empty) {
|
|
s = file_writer->Close();
|
|
}
|
|
|
|
if (s.ok() && !empty) {
|
|
// Verify that the table is usable
|
|
// We set for_compaction to false and don't OptimizeForCompactionTableRead
|
|
// here because this is a special case after we finish the table building
|
|
// No matter whether use_direct_io_for_flush_and_compaction is true,
|
|
// we will regrad this verification as user reads since the goal is
|
|
// to cache it here for further user reads
|
|
std::unique_ptr<InternalIterator> it(table_cache->NewIterator(
|
|
ReadOptions(), env_options, internal_comparator, *meta,
|
|
nullptr /* range_del_agg */,
|
|
mutable_cf_options.prefix_extractor.get(), nullptr,
|
|
(internal_stats == nullptr) ? nullptr
|
|
: internal_stats->GetFileReadHist(0),
|
|
false /* for_compaction */, nullptr /* arena */,
|
|
false /* skip_filter */, level));
|
|
s = it->status();
|
|
if (s.ok() && paranoid_file_checks) {
|
|
for (it->SeekToFirst(); it->Valid(); it->Next()) {
|
|
}
|
|
s = it->status();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for input iterator errors
|
|
if (!iter->status().ok()) {
|
|
s = iter->status();
|
|
}
|
|
|
|
if (!s.ok() || meta->fd.GetFileSize() == 0) {
|
|
env->DeleteFile(fname);
|
|
}
|
|
|
|
// Output to event logger and fire events.
|
|
EventHelpers::LogAndNotifyTableFileCreationFinished(
|
|
event_logger, ioptions.listeners, dbname, column_family_name, fname,
|
|
job_id, meta->fd, tp, reason, s);
|
|
|
|
return s;
|
|
}
|
|
|
|
} // namespace rocksdb
|