Merge PR: add leveldb config (#149)

server/start.go

@@ -21,6 +21,7 @@ import (
 	"github.com/tendermint/tendermint/p2p"
 	pvm "github.com/tendermint/tendermint/privval"
 	"github.com/tendermint/tendermint/proxy"
+	tmdb "github.com/tendermint/tm-db"
 )
 
 // Tendermint full-node start flags
@@ -127,6 +128,8 @@ which accepts a path for the resulting pprof file.
 	cmd.Flags().String(FlagEvmImportPath, "", "Evm contract & storage db or files used for InitGenesis")
 	cmd.Flags().Uint64(FlagGoroutineNum, 0, "Limit on the number of goroutines used to import evm data(ignored if evm-import-mode is 'default')")
 	cmd.Flags().IntVar(&iavl.IavlCacheSize, iavl.FlagIavlCacheSize, 1000000, "Max size of iavl cache")
+	cmd.Flags().IntVar(&tmdb.LevelDBCacheSize, tmdb.FlagLevelDBCacheSize, 128, "The amount of memory in megabytes to allocate to leveldb")
+	cmd.Flags().IntVar(&tmdb.LevelDBHandlersNum, tmdb.FlagLevelDBHandlersNum, 1024, "The number of files handles to allocate to the open database files")
 
 	viper.BindPFlag(FlagTrace, cmd.Flags().Lookup(FlagTrace))
 	viper.BindPFlag(FlagPruning, cmd.Flags().Lookup(FlagPruning))