rocksdb/table/bloom_block.h
Siying Dong fc53839bfa Disallow customized hash function in DynamicBloom (#4915)
Summary:
I didn't find where customized hash function is used in DynamicBloom. This can only reduce performance. Remove it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4915

Differential Revision: D13794452

Pulled By: siying

fbshipit-source-id: e38669b11e01444d2d782da11c7decabbd851819
2019-01-24 10:34:30 -08:00

38 lines
1.0 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).
#pragma once
#include <vector>
#include <string>
#include "util/dynamic_bloom.h"
namespace rocksdb {
class Logger;
class BloomBlockBuilder {
public:
static const std::string kBloomBlock;
explicit BloomBlockBuilder(uint32_t num_probes = 6) : bloom_(num_probes) {}
void SetTotalBits(Allocator* allocator, uint32_t total_bits,
uint32_t locality, size_t huge_page_tlb_size,
Logger* logger) {
bloom_.SetTotalBits(allocator, total_bits, locality, huge_page_tlb_size,
logger);
}
uint32_t GetNumBlocks() const { return bloom_.GetNumBlocks(); }
void AddKeysHashes(const std::vector<uint32_t>& keys_hashes);
Slice Finish();
private:
DynamicBloom bloom_;
};
}; // namespace rocksdb