head: Rename highTimestamp to maxt
`maxt` seems more consistent with `mint` and other uses of `maxt`
elsewhere in the code, if I've understand the intent correctly.
@@ -451,8 +451,8 @@ func (h *Head) appender() *headAppender {
return &headAppender{
head: h,
mint: h.MaxTime() - h.chunkRange/2,
+ maxt: math.MinInt64,
samples: h.getAppendBuffer(),
- highTimestamp: math.MinInt64,
}
}
@@ -470,11 +470,10 @@ func (h *Head) putAppendBuffer(b []RefSample) {
type headAppender struct {
head *Head
- mint int64
+ mint, maxt int64
series []RefSeries
samples []RefSample
- highTimestamp int64
}
func (a *headAppender) Add(lset labels.Labels, t int64, v float64) (uint64, error) {
@@ -508,8 +507,8 @@ func (a *headAppender) AddFast(ref uint64, t int64, v float64) error {
if t < a.mint {
return ErrOutOfBounds
}
- if t > a.highTimestamp {
- a.highTimestamp = t
+ if t > a.maxt {
+ a.maxt = t
}
a.samples = append(a.samples, RefSample{
@@ -551,10 +550,10 @@ func (a *headAppender) Commit() error {
for {
ht := a.head.MaxTime()
- if a.highTimestamp <= ht {
+ if a.maxt <= ht {
break
}
- if atomic.CompareAndSwapInt64(&a.head.maxTime, ht, a.highTimestamp) {
+ if atomic.CompareAndSwapInt64(&a.head.maxTime, ht, a.maxt) {
break
}
}
