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#pragma once
#include <memory>
namespace DB
{
static constexpr int FILECACHE_DEFAULT_MAX_FILE_SEGMENT_SIZE = 32 * 1024 * 1024; /// 32Mi
static constexpr int FILECACHE_DEFAULT_FILE_SEGMENT_ALIGNMENT = 4 * 1024 * 1024; /// 4Mi
static constexpr int FILECACHE_DEFAULT_BACKGROUND_DOWNLOAD_THREADS = 2;
static constexpr int FILECACHE_DEFAULT_LOAD_METADATA_THREADS = 1;
static constexpr int FILECACHE_DEFAULT_MAX_ELEMENTS = 10000000;
static constexpr int FILECACHE_DEFAULT_HITS_THRESHOLD = 0;
static constexpr size_t FILECACHE_BYPASS_THRESHOLD = 256 * 1024 * 1024;
class FileCache;
using FileCachePtr = std::shared_ptr<FileCache>;
struct FileCacheSettings;
struct CreateFileSegmentSettings;
}
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