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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-05-25 11:59:59 +0100
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-08-14 08:55:49 +0000
commitd6fc870d041ab2fe28a6b8b525840962a218e91a (patch)
treef84078740228b7a631410403c59dbb9fd95d6fd5
parentMerge pull request #4129 (diff)
downloadmonero-d6fc870d041ab2fe28a6b8b525840962a218e91a.tar.xz
db_lmdb: resize blockchain database when 90% filled
instead of a random ratio from 60% to 90%.
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.cpp8
-rw-r--r--src/blockchain_db/lmdb/db_lmdb.h2
2 files changed, 3 insertions, 7 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index a6eb3d880..f45b9eff1 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -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)");
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index 8b214d2df..5e3b3cfa5 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -450,7 +450,7 @@ private:
#endif
#endif
- constexpr static float RESIZE_PERCENT = 0.8f;
+ constexpr static float RESIZE_PERCENT = 0.9f;
};
} // namespace cryptonote