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rust-rocksdb/librocksdb-sys/rocksdb/db/blob/prefetch_buffer_collection.cc

22 lines
696 B

// 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).
#include "db/blob/prefetch_buffer_collection.h"
namespace ROCKSDB_NAMESPACE {
FilePrefetchBuffer* PrefetchBufferCollection::GetOrCreatePrefetchBuffer(
uint64_t file_number) {
auto& prefetch_buffer = prefetch_buffers_[file_number];
if (!prefetch_buffer) {
prefetch_buffer.reset(
new FilePrefetchBuffer(readahead_size_, readahead_size_));
}
return prefetch_buffer.get();
}
} // namespace ROCKSDB_NAMESPACE