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Merge pull request #999 

dc411ea Change default db-sync-mode to fast, not fastest (Howard Chu)
This commit is contained in:
Riccardo Spagni 2016-08-28 22:50:18 +02:00
parent 53a0997a26 dc411ea3b7
commit f5b802e684
No known key found for this signature in database
GPG Key ID: 55432DF31CCD4FCD
1 changed files with 14 additions and 13 deletions
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27
src/cryptonote_core/cryptonote_core.cpp
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@ -289,20 +289,23 @@ namespace cryptonote
catch (...) { }
BlockchainDB* db = nullptr;
uint64_t BDB_FAST_MODE = 0;
uint64_t BDB_FASTEST_MODE = 0;
uint64_t BDB_SAFE_MODE = 0;
uint64_t DBS_FAST_MODE = 0;
uint64_t DBS_FASTEST_MODE = 0;
uint64_t DBS_SAFE_MODE = 0;
if (db_type == "lmdb")
{
db = new BlockchainLMDB();
DBS_SAFE_MODE = MDB_NORDAHEAD;
DBS_FAST_MODE = MDB_NORDAHEAD | MDB_NOSYNC;
DBS_FASTEST_MODE = MDB_NORDAHEAD | MDB_NOSYNC | MDB_WRITEMAP | MDB_MAPASYNC;
}
else if (db_type == "berkeley")
{
#if defined(BERKELEY_DB)
db = new BlockchainBDB();
BDB_FAST_MODE = DB_TXN_WRITE_NOSYNC;
BDB_FASTEST_MODE = DB_TXN_NOSYNC;
BDB_SAFE_MODE = DB_TXN_SYNC;
DBS_FAST_MODE = DB_TXN_WRITE_NOSYNC;
DBS_FASTEST_MODE = DB_TXN_NOSYNC;
DBS_SAFE_MODE = DB_TXN_SYNC;
#else
LOG_ERROR("BerkeleyDB support disabled.");
return false;
@ -325,7 +328,6 @@ namespace cryptonote
try
{
uint64_t db_flags = 0;
bool islmdb = db_type == "lmdb";
std::vector<std::string> options;
boost::trim(db_sync_mode);
@ -334,9 +336,8 @@ namespace cryptonote
for(const auto &option : options)
LOG_PRINT_L0("option: " << option);
// temporarily default to fastest:async:1000
uint64_t DEFAULT_FLAGS = islmdb ? MDB_WRITEMAP | MDB_MAPASYNC | MDB_NORDAHEAD | MDB_NOMETASYNC | MDB_NOSYNC :
BDB_FASTEST_MODE;
// default to fast:async:1000
uint64_t DEFAULT_FLAGS = DBS_FAST_MODE;
if(options.size() == 0)
{
@ -350,13 +351,13 @@ namespace cryptonote
if(options[0] == "safe")
{
safemode = true;
db_flags = islmdb ? MDB_NORDAHEAD : BDB_SAFE_MODE;
db_flags = DBS_SAFE_MODE;
sync_mode = db_nosync;
}
else if(options[0] == "fast")
db_flags = islmdb ? MDB_NOMETASYNC | MDB_NOSYNC | MDB_NORDAHEAD : BDB_FAST_MODE;
db_flags = DBS_FAST_MODE;
else if(options[0] == "fastest")
db_flags = islmdb ? MDB_WRITEMAP | MDB_MAPASYNC | MDB_NORDAHEAD | MDB_NOMETASYNC | MDB_NOSYNC : BDB_FASTEST_MODE;
db_flags = DBS_FASTEST_MODE;
else
db_flags = DEFAULT_FLAGS;
}