Ejemplo n.º 1
0
// Tests a batch of queries very similar to those that that PGBench runs
// in its TPC-B(ish) mode.
func runPgbenchQueryParallel(b *testing.B, db *sql.DB) {
	if err := pgbench.SetupBenchDB(db, 20000, true /*quiet*/); err != nil {
		b.Fatal(err)
	}

	retryOpts := retry.Options{
		InitialBackoff: 1 * time.Millisecond,
		MaxBackoff:     200 * time.Millisecond,
		Multiplier:     2,
	}

	b.ResetTimer()
	b.RunParallel(func(pb *testing.PB) {
		src := rand.New(rand.NewSource(5432))
		r := retry.Start(retryOpts)
		var err error
		for pb.Next() {
			r.Reset()
			for r.Next() {
				err = pgbench.RunOne(db, src, 20000)
				if err == nil {
					break
				}
			}
			if err != nil {
				b.Fatal(err)
			}
		}
	})
	b.StopTimer()
}
Ejemplo n.º 2
0
// Tests a batch of queries very similar to those that that PGBench runs
// in its TPC-B(ish) mode.
func runPgbenchQuery(b *testing.B, db *sql.DB) {
	if err := pgbench.SetupBenchDB(db, 20000, true /*quiet*/); err != nil {
		b.Fatal(err)
	}
	src := rand.New(rand.NewSource(5432))
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		if err := pgbench.RunOne(db, src, 20000); err != nil {
			b.Fatal(err)
		}
	}
	b.StopTimer()
}