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db_lmdb: resize blockchain database when 90% filled

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instead of a random ratio from 60% to 90%.
This commit is contained in:
moneromooo-monero 2018-05-25 11:59:59 +01:00
parent 0dddfeacc9
commit d6fc870d04
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GPG Key ID: 686F07454D6CEFC3
2 changed files with 3 additions and 7 deletions
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8
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -545,8 +545,8 @@ bool BlockchainLMDB::need_resize(uint64_t threshold_size) const
LOG_PRINT_L1("Space used: " << size_used);
LOG_PRINT_L1("Space remaining: " << mei.me_mapsize - size_used);
LOG_PRINT_L1("Size threshold: " << threshold_size);
float resize_percent_old = RESIZE_PERCENT;
LOG_PRINT_L1(boost::format("Percent used: %.04f Percent threshold: %.04f") % ((double)size_used/mei.me_mapsize) % resize_percent_old);
float resize_percent = RESIZE_PERCENT;
LOG_PRINT_L1(boost::format("Percent used: %.04f Percent threshold: %.04f") % ((double)size_used/mei.me_mapsize) % resize_percent);
if (threshold_size > 0)
{
@ -559,10 +559,6 @@ bool BlockchainLMDB::need_resize(uint64_t threshold_size) const
return false;
}
std::mt19937 engine(std::random_device{}());
std::uniform_real_distribution<double> fdis(0.6, 0.9);
double resize_percent = fdis(engine);
if ((double)size_used / mei.me_mapsize > resize_percent)
{
LOG_PRINT_L1("Threshold met (percent-based)");

2
src/blockchain_db/lmdb/db_lmdb.h
View File

@ -450,7 +450,7 @@ private:
#endif
#endif
constexpr static float RESIZE_PERCENT = 0.8f;
constexpr static float RESIZE_PERCENT = 0.9f;
};
} // namespace cryptonote