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mvcc: add "etcd_mvcc_put_size_in_bytes" to monitor the throughput of put request.

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This commit is contained in:
yoyinzyc 2019-11-19 13:55:37 -08:00
parent 63dd73c186
commit 28f40d7794
2 changed files with 15 additions and 2 deletions
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9
mvcc/metrics.go
View File

@ -296,6 +296,14 @@ var (
// overridden by mvcc initialization
reportCompactRevMu sync.RWMutex
reportCompactRev = func() float64 { return 0 }
putSizeGauge = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "mvcc",
Name: "put_size_in_bytes",
Help: "The total size of put kv pairs seen by this member.",
})
)
func init() {
@ -325,6 +333,7 @@ func init() {
prometheus.MustRegister(hashRevSec)
prometheus.MustRegister(currentRev)
prometheus.MustRegister(compactRev)
prometheus.MustRegister(putSizeGauge)
}
// ReportEventReceived reports that an event is received.

8
mvcc/metrics_txn.go
View File

@ -21,14 +21,15 @@ type metricsTxnWrite struct {
ranges uint
puts uint
deletes uint
putSize int64
}
func newMetricsTxnRead(tr TxnRead) TxnRead {
return &metricsTxnWrite{&txnReadWrite{tr}, 0, 0, 0}
return &metricsTxnWrite{&txnReadWrite{tr}, 0, 0, 0, 0}
}
func newMetricsTxnWrite(tw TxnWrite) TxnWrite {
return &metricsTxnWrite{tw, 0, 0, 0}
return &metricsTxnWrite{tw, 0, 0, 0, 0}
}
func (tw *metricsTxnWrite) Range(key, end []byte, ro RangeOptions) (*RangeResult, error) {
@ -43,6 +44,8 @@ func (tw *metricsTxnWrite) DeleteRange(key, end []byte) (n, rev int64) {
func (tw *metricsTxnWrite) Put(key, value []byte, lease lease.LeaseID) (rev int64) {
tw.puts++
size := int64(len(key) + len(value))
tw.putSize += size
return tw.TxnWrite.Put(key, value, lease)
}
@ -60,6 +63,7 @@ func (tw *metricsTxnWrite) End() {
puts := float64(tw.puts)
putCounter.Add(puts)
putCounterDebug.Add(puts) // TODO: remove in 3.5 release
putSizeGauge.Add(float64(tw.putSize))
deletes := float64(tw.deletes)
deleteCounter.Add(deletes)