diff options
Diffstat (limited to 'src/blockchain_db/lmdb')
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp index 4441c7578..a756c04c6 100644 --- a/src/blockchain_db/lmdb/db_lmdb.cpp +++ b/src/blockchain_db/lmdb/db_lmdb.cpp @@ -1083,9 +1083,10 @@ BlockchainLMDB::BlockchainLMDB(bool batch_transactions) m_hardfork = nullptr; } -void BlockchainLMDB::open(const std::string& filename, const int mdb_flags) +void BlockchainLMDB::open(const std::string& filename, const int db_flags) { int result; + int mdb_flags = MDB_NORDAHEAD; LOG_PRINT_L3("BlockchainLMDB::" << __func__); @@ -1124,6 +1125,15 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags) size_t mapsize = DEFAULT_MAPSIZE; + if (db_flags & DBF_FAST) + mdb_flags |= MDB_NOSYNC; + if (db_flags & DBF_FASTEST) + mdb_flags |= MDB_NOSYNC | MDB_WRITEMAP | MDB_MAPASYNC; + if (db_flags & DBF_RDONLY) + mdb_flags = MDB_RDONLY; + if (db_flags & DBF_SALVAGE) + mdb_flags |= MDB_PREVSNAPSHOT; + if (auto result = mdb_env_open(m_env, filename.c_str(), mdb_flags, 0644)) throw0(DB_ERROR(lmdb_error("Failed to open lmdb environment: ", result).c_str())); |