diff --git a/db/db_test.go b/db/db_test.go
index ad92837e527dc26650bca02271eddd748742543c..ee003ca417b25ff96732a89b815f90fe6afc7fdd 100644
--- a/db/db_test.go
+++ b/db/db_test.go
@@ -15,7 +15,11 @@ import (
 	ippb "git.autistici.org/ai3/tools/iprep/proto"
 )
 
-const manyEvents = 500000
+const (
+	// How many events to fill up the db, test/bench cases.
+	manyEventsTest  = 100000
+	manyEventsBench = 1000000
+)
 
 func randomIP() string {
 	return fmt.Sprintf("%d.%d.%d.%d", 1+rand.Intn(253), 1+rand.Intn(253), 1+rand.Intn(253), 1+rand.Intn(253))
@@ -68,7 +72,7 @@ func runRWTest(t *testing.T, driver string) {
 	defer db.Close()
 
 	// Write n elements.
-	n := manyEvents
+	n := manyEventsTest
 	events := randomEvents(n)
 	if err := db.AddAggregate(events); err != nil {
 		t.Fatalf("AddEvents: %v", err)
@@ -185,7 +189,7 @@ func runReadBenchmark(b *testing.B, driver string, eventsPerIP int, threadCounts
 	// Write a lot of events just to bulk up the database, but
 	// also write a couple of records for a known IP, that we're
 	// going to read in the benchmark.
-	n := manyEvents
+	n := manyEventsBench
 	db.AddAggregate(randomEvents(n))
 
 	// For a bunch of random IPs, add a known (possibly large)