From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:54:28 +0200 Subject: Adding upstream version 18.2.2. Signed-off-by: Daniel Baumann --- .../db/compaction/compaction_picker_level.h | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/rocksdb/db/compaction/compaction_picker_level.h (limited to 'src/rocksdb/db/compaction/compaction_picker_level.h') diff --git a/src/rocksdb/db/compaction/compaction_picker_level.h b/src/rocksdb/db/compaction/compaction_picker_level.h new file mode 100644 index 000000000..42a9b60a6 --- /dev/null +++ b/src/rocksdb/db/compaction/compaction_picker_level.h @@ -0,0 +1,33 @@ +// 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 + +#include "db/compaction/compaction_picker.h" + +namespace ROCKSDB_NAMESPACE { +// Picking compactions for leveled compaction. See wiki page +// https://github.com/facebook/rocksdb/wiki/Leveled-Compaction +// for description of Leveled compaction. +class LevelCompactionPicker : public CompactionPicker { + public: + LevelCompactionPicker(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* vstorage, + LogBuffer* log_buffer, + SequenceNumber earliest_memtable_seqno = kMaxSequenceNumber) override; + + virtual bool NeedsCompaction( + const VersionStorageInfo* vstorage) const override; +}; + +} // namespace ROCKSDB_NAMESPACE -- cgit v1.2.3