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Speed up block downloading

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This commit is contained in:
Pieter Wuille 2012-03-21 00:03:02 +01:00
parent ef14236539
commit 89516bd4e0
2 changed files with 6 additions and 2 deletions
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7
src/db.cpp
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@ -84,8 +84,11 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
string strErrorFile = strDataDir + "/db.log";
printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
int nDbCache = GetArg("-dbcache", 25);
dbenv.set_lg_dir(strLogDir.c_str());
dbenv.set_lg_max(10000000);
dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
dbenv.set_lg_bsize(10485760);
dbenv.set_lg_max(104857600);
dbenv.set_lk_max_locks(10000);
dbenv.set_lk_max_objects(10000);
dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
@ -156,7 +159,7 @@ void CDB::Close()
nMinutes = 1;
if (strFile == "addr.dat")
nMinutes = 2;
if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0)
if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 5000 != 0)
nMinutes = 1;
dbenv.txn_checkpoint(0, nMinutes, 0);

1
src/init.cpp
View File

@ -177,6 +177,7 @@ bool AppInit2(int argc, char* argv[])
" -min \t\t " + _("Start minimized") + "\n" +
" -splash \t\t " + _("Show splash screen on startup (default: 1)") + "\n" +
" -datadir=<dir> \t\t " + _("Specify data directory") + "\n" +
" -dbcache=<n> \t\t " + _("Set database cache size in megabytes (default: 25)") + "\n" +
" -timeout=<n> \t " + _("Specify connection timeout (in milliseconds)") + "\n" +
" -proxy=<ip:port> \t " + _("Connect through socks4 proxy") + "\n" +
" -dns \t " + _("Allow DNS lookups for addnode and connect") + "\n" +