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fa43da21f1
This follows the approach of the MiB and GiB operators. This allows to remove some `if constexpr (SIZE_MAX == UINT64_MAX)` in the tests.
42 lines
1.1 KiB
C++
42 lines
1.1 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 <cstddef>
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class ArgsManager;
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//! min. -dbcache (bytes)
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static constexpr size_t MIN_DB_CACHE{4_MiB};
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//! -dbcache default (bytes)
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static constexpr size_t DEFAULT_DB_CACHE{DEFAULT_KERNEL_CACHE};
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namespace node {
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size_t GetDefaultDBCache();
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struct IndexCacheSizes {
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size_t tx_index{0};
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size_t filter_index{0};
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size_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 cap{(total_ram < 2_GiB) ? DEFAULT_DB_CACHE : (total_ram / 100) * 75};
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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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