diff options
Diffstat (limited to 'src/rocksdb/db/compaction/compaction_picker_fifo.h')
-rw-r--r-- | src/rocksdb/db/compaction/compaction_picker_fifo.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/rocksdb/db/compaction/compaction_picker_fifo.h b/src/rocksdb/db/compaction/compaction_picker_fifo.h new file mode 100644 index 000000000..544259f38 --- /dev/null +++ b/src/rocksdb/db/compaction/compaction_picker_fifo.h @@ -0,0 +1,63 @@ +// 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. + +#pragma once +#ifndef ROCKSDB_LITE + +#include "db/compaction/compaction_picker.h" + +namespace ROCKSDB_NAMESPACE { +class FIFOCompactionPicker : public CompactionPicker { + public: + FIFOCompactionPicker(const ImmutableOptions& ioptions, + const InternalKeyComparator* icmp) + : CompactionPicker(ioptions, icmp) {} + + virtual Compaction* PickCompaction( + const std::string& cf_name, const MutableCFOptions& mutable_cf_options, + const MutableDBOptions& mutable_db_options, VersionStorageInfo* version, + LogBuffer* log_buffer, + SequenceNumber earliest_memtable_seqno = kMaxSequenceNumber) override; + + virtual Compaction* CompactRange( + const std::string& cf_name, const MutableCFOptions& mutable_cf_options, + const MutableDBOptions& mutable_db_options, VersionStorageInfo* vstorage, + int input_level, int output_level, + const CompactRangeOptions& compact_range_options, + const InternalKey* begin, const InternalKey* end, + InternalKey** compaction_end, bool* manual_conflict, + uint64_t max_file_num_to_ignore, const std::string& trim_ts) override; + + // The maximum allowed output level. Always returns 0. + virtual int MaxOutputLevel() const override { return 0; } + + virtual bool NeedsCompaction( + const VersionStorageInfo* vstorage) const override; + + private: + Compaction* PickTTLCompaction(const std::string& cf_name, + const MutableCFOptions& mutable_cf_options, + const MutableDBOptions& mutable_db_options, + VersionStorageInfo* version, + LogBuffer* log_buffer); + + Compaction* PickSizeCompaction(const std::string& cf_name, + const MutableCFOptions& mutable_cf_options, + const MutableDBOptions& mutable_db_options, + VersionStorageInfo* version, + LogBuffer* log_buffer); + + Compaction* PickCompactionToWarm(const std::string& cf_name, + const MutableCFOptions& mutable_cf_options, + const MutableDBOptions& mutable_db_options, + VersionStorageInfo* version, + LogBuffer* log_buffer); +}; +} // namespace ROCKSDB_NAMESPACE +#endif // !ROCKSDB_LITE |