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[PromQL] Improve BenchmarkJoinQuery

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Signed-off-by: Linas Medziunas <linas.medziunas@gmail.com>
This commit is contained in:
Linas Medziunas 2025-11-18 12:06:32 +02:00
parent cefefc6897
commit de084ae0e7
1 changed files with 23 additions and 11 deletions
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34
promql/bench_test.go
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@ -393,40 +393,44 @@ func BenchmarkJoinQuery(b *testing.B) {
}
engine := promqltest.NewTestEngineWithOpts(b, opts)
const interval = 10000 // 10s interval.
const (
interval = 10000 // 10s interval.
steps = 5000
numInstances = 1000
)
// A day of data plus 10k steps.
numIntervals := 8640 + 10000
// A day of data plus steps.
numIntervals := 8640 + steps
require.NoError(b, setupJoinQueryTestData(stor, engine, interval, numIntervals, 1000))
require.NoError(b, setupJoinQueryTestData(stor, engine, interval, numIntervals, numInstances))
for _, c := range []benchCase{
{
expr: `rpc_request_success_total + rpc_request_error_total`,
steps: 10000,
steps: steps,
},
{
expr: `rpc_request_success_total + ON (job, instance) GROUP_LEFT rpc_request_error_total`,
steps: 10000,
steps: steps,
},
{
expr: `rpc_request_success_total AND rpc_request_error_total{instance=~"0.*"}`, // 0.* keeps 1/16 of UUID values
steps: 10000,
steps: steps,
},
{
expr: `rpc_request_success_total OR rpc_request_error_total{instance=~"0.*"}`, // 0.* keeps 1/16 of UUID values
steps: 10000,
steps: steps,
},
{
expr: `rpc_request_success_total UNLESS rpc_request_error_total{instance=~"0.*"}`, // 0.* keeps 1/16 of UUID values
steps: 10000,
steps: steps,
},
} {
name := fmt.Sprintf("expr=%s/steps=%d", c.expr, c.steps)
b.Run(name, func(b *testing.B) {
ctx := context.Background()
b.ReportAllocs()
for b.Loop() {
queryFn := func() {
qry, err := engine.NewRangeQuery(
ctx, stor, nil, c.expr,
timestamp.Time(int64((numIntervals-c.steps)*10_000)),
@ -439,6 +443,14 @@ func BenchmarkJoinQuery(b *testing.B) {
qry.Close()
}
queryFn() // Warm up run.
b.ResetTimer()
b.ReportAllocs()
for b.Loop() {
queryFn()
}
})
}
}