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Merge #8273: Bump -dbcache default to 300MiB

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efd1d83 doc: Mention dbcache increase in release notes (Wladimir J. van der Laan)
32cab91 Bump `-dbcache` default to 300MiB (Wladimir J. van der Laan)
This commit is contained in:
Wladimir J. van der Laan
2016-07-06 07:46:41 +02:00
parent 042c323922 efd1d8339a
commit 396f9d6296
3 changed files with 27 additions and 7 deletions
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4
src/init.cpp
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@@ -1216,10 +1216,10 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
nTotalCache = std::max(nTotalCache, nMinDbCache << 20); // total cache cannot be less than nMinDbCache
nTotalCache = std::min(nTotalCache, nMaxDbCache << 20); // total cache cannot be greated than nMaxDbcache
int64_t nBlockTreeDBCache = nTotalCache / 8;
if (nBlockTreeDBCache > (1 << 21) && !GetBoolArg("-txindex", DEFAULT_TXINDEX))
nBlockTreeDBCache = (1 << 21); // block tree db cache shouldn't be larger than 2 MiB
nBlockTreeDBCache = std::min(nBlockTreeDBCache, (GetBoolArg("-txindex", DEFAULT_TXINDEX) ? nMaxBlockDBAndTxIndexCache : nMaxBlockDBCache) << 20);
nTotalCache -= nBlockTreeDBCache;
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;
nCoinCacheUsage = nTotalCache; // the rest goes to in-memory cache
LogPrintf("Cache configuration:\n");