808928fc99
Summary: Add an option to allocate a piece of memory from huge page TLB. Add options to trigger it in dynamic bloom, plain table indexes andhash linked list hash table. Test Plan: make all check Reviewers: haobo, ljin Reviewed By: haobo CC: nkg-, dhruba, leveldb, igor, yhchiang Differential Revision: https://reviews.facebook.net/D18357 Conflicts: db/plain_table_db_test.cc util/options.cc
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same 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 "rocksdb/slice_transform.h"
|
|
#include "rocksdb/memtablerep.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
class HashLinkListRepFactory : public MemTableRepFactory {
|
|
public:
|
|
explicit HashLinkListRepFactory(size_t bucket_count,
|
|
size_t huge_page_tlb_size)
|
|
: bucket_count_(bucket_count), huge_page_tlb_size_(huge_page_tlb_size) {}
|
|
|
|
virtual ~HashLinkListRepFactory() {}
|
|
|
|
virtual MemTableRep* CreateMemTableRep(
|
|
const MemTableRep::KeyComparator& compare, Arena* arena,
|
|
const SliceTransform* transform) override;
|
|
|
|
virtual const char* Name() const override {
|
|
return "HashLinkListRepFactory";
|
|
}
|
|
|
|
private:
|
|
const size_t bucket_count_;
|
|
const size_t huge_page_tlb_size_;
|
|
};
|
|
|
|
}
|