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cd086c16dd
The alias is misleading because automatic selection can also return `HIGH_DEFAULT_DBCACHE`.
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
// Copyright (c) 2021-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_NODE_CACHES_H
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#define BITCOIN_NODE_CACHES_H
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#include <kernel/caches.h>
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#include <util/byte_units.h>
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#include <algorithm>
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#include <cstddef>
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#include <cstdint>
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class ArgsManager;
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//! Reserved non-dbcache memory usage.
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static constexpr uint64_t DBCACHE_WARNING_RESERVED_RAM{2_GiB};
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namespace node {
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uint64_t GetDefaultDBCache();
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struct IndexCacheSizes {
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uint64_t tx_index{0};
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uint64_t filter_index{0};
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uint64_t txospender_index{0};
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};
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struct CacheSizes {
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IndexCacheSizes index;
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kernel::CacheSizes kernel;
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};
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CacheSizes CalculateCacheSizes(const ArgsManager& args, size_t n_indexes = 0);
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constexpr bool ShouldWarnOversizedDbCache(uint64_t dbcache, uint64_t total_ram) noexcept
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{
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const uint64_t available_ram{total_ram > DBCACHE_WARNING_RESERVED_RAM ? total_ram - DBCACHE_WARNING_RESERVED_RAM : 0};
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const uint64_t cap{std::max(DEFAULT_KERNEL_CACHE, (available_ram / 4) * 3)};
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return dbcache > cap;
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}
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void LogOversizedDbCache(const ArgsManager& args) noexcept;
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} // namespace node
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#endif // BITCOIN_NODE_CACHES_H
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