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rocksdb/table/block_based_table_options.h

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// 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.
#pragma once
#include <memory>
namespace rocksdb {
class FlushBlockPolicyFactory;
struct BlockBasedTableOptions {
// @flush_block_policy_factory creates the instances of flush block policy.
// which provides a configurable way to determine when to flush a block in
// the block based tables. If not set, table builder will use the default
// block flush policy, which cut blocks by block size (please refer to
// `FlushBlockBySizePolicy`).
std::shared_ptr<FlushBlockPolicyFactory> flush_block_policy_factory;
// TODO(kailiu) Temporarily disable this feature by making the default value
// to be false. Also in master branch, this file is non-public so no user
// will be able to change the value of `cache_index_and_filter_blocks`.
//
// Indicating if we'd put index/filter blocks to the block cache.
// If not specified, each "table reader" object will pre-load index/filter
// block during table initialization.
bool cache_index_and_filter_blocks = false;
};
} // namespace rocksdb