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node/caches: Remove intermediate variables

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Kittywhiskers Van Gogh 2021-12-06 16:52:18 -05:00
parent 4ab182751e
commit 52bb35d9c8
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1 changed files with 13 additions and 19 deletions
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32
src/node/caches.cpp
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@ -13,26 +13,20 @@ CacheSizes CalculateCacheSizes(const ArgsManager& args, size_t n_indexes)
int64_t nTotalCache = (args.GetArg("-dbcache", nDefaultDbCache) << 20);
nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greater than nMaxDbcache
int64_t nBlockTreeDBCache = std::min(nTotalCache / 8, nMaxBlockDBCache << 20);
nTotalCache -= nBlockTreeDBCache;
int64_t nTxIndexCache = std::min(nTotalCache / 8, args.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxTxIndexCache << 20 : 0);
nTotalCache -= nTxIndexCache;
int64_t filter_index_cache = 0;
CacheSizes sizes;
sizes.block_tree_db = std::min(nTotalCache / 8, nMaxBlockDBCache << 20);
nTotalCache -= sizes.block_tree_db;
sizes.tx_index = std::min(nTotalCache / 8, args.GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxTxIndexCache << 20 : 0);
nTotalCache -= sizes.tx_index;
sizes.filter_index = 0;
if (n_indexes > 0) {
int64_t max_cache = std::min(nTotalCache / 8, max_filter_index_cache << 20);
filter_index_cache = max_cache / n_indexes;
nTotalCache -= filter_index_cache * n_indexes;
sizes.filter_index = max_cache / n_indexes;
nTotalCache -= sizes.filter_index * n_indexes;
}
int64_t nCoinDBCache = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
nCoinDBCache = std::min(nCoinDBCache, nMaxCoinsDBCache << 20); // cap total coins db cache
nTotalCache -= nCoinDBCache;
int64_t nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
return {
nBlockTreeDBCache,
nCoinDBCache,
nCoinCacheUsage,
nTxIndexCache,
filter_index_cache,
};
sizes.coins_db = std::min(nTotalCache / 2, (nTotalCache / 4) + (1 << 23)); // use 25%-50% of the remainder for disk cache
sizes.coins_db = std::min(sizes.coins_db, nMaxCoinsDBCache << 20); // cap total coins db cache
nTotalCache -= sizes.coins_db;
sizes.coins = nTotalCache; // the rest goes to in-memory cache
return sizes;
}