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Don't use -dbcache for BDB anymore

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-dbcache was originally used to set the maximum buffer size in the
BDB environment, and was later changed to set the chainstate cache
and leveldb caches. No need to use it for BDB now that only the
wallet remains there.

This should reduce memory allocation (but not necessarily memory
usage) a bit.
This commit is contained in:
Pieter Wuille 2013-03-29 02:48:59 +01:00
parent dfd71bb450
commit 2e3c76bf98
1 changed files with 3 additions and 4 deletions
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7
src/db.cpp
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@ -75,11 +75,10 @@ bool CDBEnv::Open(const boost::filesystem::path& path)
if (GetBoolArg("-privdb", true))
nEnvFlags |= DB_PRIVATE;
unsigned int nDbCache = GetArg("-dbcache", 25);
dbenv.set_lg_dir(pathLogDir.string().c_str());
dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
dbenv.set_lg_bsize(1048576);
dbenv.set_lg_max(10485760);
dbenv.set_cachesize(0, 0x100000, 1); // 1 MiB should be enough for just the wallet
dbenv.set_lg_bsize(0x10000);
dbenv.set_lg_max(1048576);
dbenv.set_lk_max_locks(40000);
dbenv.set_lk_max_objects(40000);
dbenv.set_errfile(fopen(pathErrorFile.string().c_str(), "a")); /// debug