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src/dbwrapper.cpp
// Copyright (c) 2012-2016 The Bitcoin Core developers | // Copyright (c) 2012-2016 The Bitcoin Core developers | ||||
// Distributed under the MIT software license, see the accompanying | // Distributed under the MIT software license, see the accompanying | ||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php. | // file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
#include "dbwrapper.h" | #include "dbwrapper.h" | ||||
#include "random.h" | #include "random.h" | ||||
#include "util.h" | #include "util.h" | ||||
#include <boost/filesystem.hpp> | #include <boost/filesystem.hpp> | ||||
#include <cstdint> | |||||
#include <leveldb/cache.h> | #include <leveldb/cache.h> | ||||
#include <leveldb/env.h> | #include <leveldb/env.h> | ||||
#include <leveldb/filter_policy.h> | #include <leveldb/filter_policy.h> | ||||
#include <memenv.h> | #include <memenv.h> | ||||
#include <stdint.h> | |||||
static leveldb::Options GetOptions(size_t nCacheSize) { | static leveldb::Options GetOptions(size_t nCacheSize) { | ||||
leveldb::Options options; | leveldb::Options options; | ||||
options.block_cache = leveldb::NewLRUCache(nCacheSize / 2); | options.block_cache = leveldb::NewLRUCache(nCacheSize / 2); | ||||
// up to two write buffers may be held in memory simultaneously | // up to two write buffers may be held in memory simultaneously | ||||
options.write_buffer_size = nCacheSize / 4; | options.write_buffer_size = nCacheSize / 4; | ||||
options.filter_policy = leveldb::NewBloomFilterPolicy(10); | options.filter_policy = leveldb::NewBloomFilterPolicy(10); | ||||
options.compression = leveldb::kNoCompression; | options.compression = leveldb::kNoCompression; | ||||
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