/
githubmirror
/
bitcoin
Обзор
Документация
Войти
/
githubmirror
/
bitcoin
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
src/kernel/caches.h
45 строк
2 KB
Lőrinc
kernel, node: colocate dbcache bounds
03 авг 2026, 22:03
Не верифицирован
03 авг 2026, 22:03
8aa21e1
Код
Авторство
О чём код?
// Copyright (c) 2024-present The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #ifndef BITCOIN_KERNEL_CACHES_H #define BITCOIN_KERNEL_CACHES_H #include <util/byte_units.h> #include <algorithm> #include <cstdint> #include <limits> //! Minimum total database cache (bytes) static constexpr uint64_t MIN_DBCACHE_BYTES{4_MiB}; //! Maximum total database cache on current architecture (bytes) static constexpr uint64_t MAX_DBCACHE_BYTES{sizeof(void*) == 4 ? 1_GiB : std::numeric_limits<uint64_t>::max()}; //! Suggested default amount of cache reserved for the kernel (bytes) static constexpr uint64_t DEFAULT_KERNEL_CACHE{450_MiB}; //! Default LevelDB write batch size static constexpr uint64_t DEFAULT_DB_CACHE_BATCH{32_MiB}; //! Max memory allocated to block tree DB specific cache (bytes) static constexpr uint64_t MAX_BLOCK_DB_CACHE{2_MiB}; //! Max memory allocated to coin DB specific cache (bytes) static constexpr uint64_t MAX_COINS_DB_CACHE{8_MiB}; namespace kernel { struct CacheSizes { uint64_t block_tree_db; uint64_t coins_db; uint64_t coins; CacheSizes(uint64_t total_cache) { block_tree_db = std::min(total_cache / 8, MAX_BLOCK_DB_CACHE); total_cache -= block_tree_db; coins_db = std::min(total_cache / 2, MAX_COINS_DB_CACHE); total_cache -= coins_db; coins = total_cache; // the rest goes to the coins cache } }; } // namespace kernel #endif // BITCOIN_KERNEL_CACHES_H