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core, eth, eth/fetcher, ethdb: polish metrics gathering a bit

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This commit is contained in:
Péter Szilágyi
2015-06-23 13:03:33 +03:00
parent 6260b86c15
commit 792b0ddccd
4 changed files with 40 additions and 23 deletions
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20
ethdb/database.go
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@ -17,8 +17,11 @@ type LDBDatabase struct {
fn string // filename for reporting
db *leveldb.DB // LevelDB instance
GetMeter metrics.Meter // Meter for measuring the database get requests
PutMeter metrics.Meter // Meter for measuring the database put requests
GetMeter metrics.Meter // Meter for measuring the database get request counts
PutMeter metrics.Meter // Meter for measuring the database put request counts
DelMeter metrics.Meter // Meter for measuring the database delete request counts
ReadMeter metrics.Meter // Meter for measuring the database get request data usage
WriteMeter metrics.Meter // Meter for measuring the database put request data usage
}
// NewLDBDatabase returns a LevelDB wrapped object. LDBDatabase does not persist data by
@ -47,7 +50,10 @@ func NewLDBDatabase(file string) (*LDBDatabase, error) {
func (self *LDBDatabase) Put(key []byte, value []byte) error {
dat := rle.Compress(value)
if self.PutMeter != nil {
self.PutMeter.Mark(int64(len(dat)))
self.PutMeter.Mark(1)
}
if self.WriteMeter != nil {
self.WriteMeter.Mark(int64(len(dat)))
}
return self.db.Put(key, dat, nil)
}
@ -59,13 +65,19 @@ func (self *LDBDatabase) Get(key []byte) ([]byte, error) {
return nil, err
}
if self.GetMeter != nil {
self.GetMeter.Mark(int64(len(dat)))
self.GetMeter.Mark(1)
}
if self.ReadMeter != nil {
self.ReadMeter.Mark(int64(len(dat)))
}
return rle.Decompress(dat)
}
// Delete deletes the key from the queue and database
func (self *LDBDatabase) Delete(key []byte) error {
if self.DelMeter != nil {
self.DelMeter.Mark(1)
}
return self.db.Delete(key, nil)
}