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22 lines
696 B
22 lines
696 B
1 year ago
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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "db/blob/prefetch_buffer_collection.h"
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namespace ROCKSDB_NAMESPACE {
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FilePrefetchBuffer* PrefetchBufferCollection::GetOrCreatePrefetchBuffer(
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uint64_t file_number) {
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auto& prefetch_buffer = prefetch_buffers_[file_number];
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if (!prefetch_buffer) {
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prefetch_buffer.reset(
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new FilePrefetchBuffer(readahead_size_, readahead_size_));
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}
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return prefetch_buffer.get();
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}
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} // namespace ROCKSDB_NAMESPACE
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