p2p/discover: limit open files for node database

This commit is contained in:
Felix Lange 2015-05-14 15:01:13 +02:00
parent 206fe25971
commit d2f119cf9b
1 changed files with 3 additions and 2 deletions

View File

@ -17,6 +17,7 @@ import (
"github.com/syndtr/goleveldb/leveldb" "github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/errors" "github.com/syndtr/goleveldb/leveldb/errors"
"github.com/syndtr/goleveldb/leveldb/iterator" "github.com/syndtr/goleveldb/leveldb/iterator"
"github.com/syndtr/goleveldb/leveldb/opt"
"github.com/syndtr/goleveldb/leveldb/storage" "github.com/syndtr/goleveldb/leveldb/storage"
"github.com/syndtr/goleveldb/leveldb/util" "github.com/syndtr/goleveldb/leveldb/util"
) )
@ -72,8 +73,8 @@ func newMemoryNodeDB() (*nodeDB, error) {
// newPersistentNodeDB creates/opens a leveldb backed persistent node database, // newPersistentNodeDB creates/opens a leveldb backed persistent node database,
// also flushing its contents in case of a version mismatch. // also flushing its contents in case of a version mismatch.
func newPersistentNodeDB(path string, version int) (*nodeDB, error) { func newPersistentNodeDB(path string, version int) (*nodeDB, error) {
// Try to open the cache, recovering any corruption opts := &opt.Options{OpenFilesCacheCapacity: 5}
db, err := leveldb.OpenFile(path, nil) db, err := leveldb.OpenFile(path, opts)
if _, iscorrupted := err.(*errors.ErrCorrupted); iscorrupted { if _, iscorrupted := err.(*errors.ErrCorrupted); iscorrupted {
db, err = leveldb.RecoverFile(path, nil) db, err = leveldb.RecoverFile(path, nil)
} }