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Add more context cancellation check at evaluation time #13437

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merged 1 commit into from
Jan 22, 2024
Merged

Add more context cancellation check at evaluation time #13437

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6 changes: 6 additions & 0 deletions promql/engine.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1471,6 +1471,9 @@ func (ev *evaluator) eval(expr parser.Expr) (parser.Value, annotations.Annotatio
it := storage.NewBuffer(selRange)
var chkIter chunkenc.Iterator
for i, s := range selVS.Series {
if err := contextDone(ev.ctx, "expression evaluation"); err != nil {
ev.error(err)
}
ev.currentSamples -= len(floats) + totalHPointSize(histograms)
if floats != nil {
floats = floats[:0]
Expand Down Expand Up @@ -1690,6 +1693,9 @@ func (ev *evaluator) eval(expr parser.Expr) (parser.Value, annotations.Annotatio
it := storage.NewMemoizedEmptyIterator(durationMilliseconds(ev.lookbackDelta))
var chkIter chunkenc.Iterator
for i, s := range e.Series {
if err := contextDone(ev.ctx, "expression evaluation"); err != nil {
ev.error(err)
}
chkIter = s.Iterator(chkIter)
it.Reset(chkIter)
ss := Series{
Expand Down