diff --git a/go.mod b/go.mod
index c7723b096..f88b1d689 100644
--- a/go.mod
+++ b/go.mod
@@ -22,6 +22,7 @@ require (
 	github.com/lib/pq v1.10.2
 	github.com/libp2p/go-buffer-pool v0.0.2
 	github.com/minio/highwayhash v1.0.2
+	github.com/mroth/weightedrand v0.4.1 // indirect
 	github.com/oasisprotocol/curve25519-voi v0.0.0-20210609091139-0a56a4bca00b
 	github.com/ory/dockertest v3.3.5+incompatible
 	github.com/prometheus/client_golang v1.11.0
diff --git a/go.sum b/go.sum
index fff11dad3..606ea9f0b 100644
--- a/go.sum
+++ b/go.sum
@@ -636,6 +636,8 @@ github.com/moricho/tparallel v0.2.1 h1:95FytivzT6rYzdJLdtfn6m1bfFJylOJK41+lgv/EH
 github.com/moricho/tparallel v0.2.1/go.mod h1:fXEIZxG2vdfl0ZF8b42f5a78EhjjD5mX8qUplsoSU4k=
 github.com/mozilla/scribe v0.0.0-20180711195314-fb71baf557c1/go.mod h1:FIczTrinKo8VaLxe6PWTPEXRXDIHz2QAwiaBaP5/4a8=
 github.com/mozilla/tls-observatory v0.0.0-20210609171429-7bc42856d2e5/go.mod h1:FUqVoUPHSEdDR0MnFM3Dh8AU0pZHLXUD127SAJGER/s=
+github.com/mroth/weightedrand v0.4.1 h1:rHcbUBopmi/3x4nnrvwGJBhX9d0vk+KgoLUZeDP6YyI=
+github.com/mroth/weightedrand v0.4.1/go.mod h1:3p2SIcC8al1YMzGhAIoXD+r9olo/g/cdJgAD905gyNE=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-proto-validators v0.0.0-20180403085117-0950a7990007/go.mod h1:m2XC9Qq0AlmmVksL6FktJCdTYyLk7V3fKyp0sl1yWQo=
diff --git a/test/e2e/generator/generate.go b/test/e2e/generator/generate.go
index 12997eb81..1c48157a1 100644
--- a/test/e2e/generator/generate.go
+++ b/test/e2e/generator/generate.go
@@ -26,7 +26,13 @@ var (
 	}
 
 	// The following specify randomly chosen values for testnet nodes.
-	nodeDatabases        = uniformChoice{"goleveldb", "cleveldb", "rocksdb", "boltdb", "badgerdb"}
+	nodeDatabases = weightedChoice{
+		"goleveldb": 35,
+		"badgerdb":  35,
+		"boltdb":    15,
+		"rocksdb":   10,
+		"cleveldb":  5,
+	}
 	nodeABCIProtocols    = uniformChoice{"unix", "tcp", "builtin", "grpc"}
 	nodePrivvalProtocols = uniformChoice{"file", "unix", "tcp", "grpc"}
 	// FIXME: v2 disabled due to flake
@@ -270,7 +276,7 @@ func generateNode(
 	node := e2e.ManifestNode{
 		Mode:             string(mode),
 		StartAt:          startAt,
-		Database:         nodeDatabases.Choose(r).(string),
+		Database:         nodeDatabases.Choose(r),
 		ABCIProtocol:     nodeABCIProtocols.Choose(r).(string),
 		PrivvalProtocol:  nodePrivvalProtocols.Choose(r).(string),
 		BlockSync:        nodeBlockSyncs.Choose(r).(string),
@@ -321,7 +327,7 @@ func generateLightNode(r *rand.Rand, startAt int64, providers []string) *e2e.Man
 	return &e2e.ManifestNode{
 		Mode:            string(e2e.ModeLight),
 		StartAt:         startAt,
-		Database:        nodeDatabases.Choose(r).(string),
+		Database:        nodeDatabases.Choose(r),
 		ABCIProtocol:    "builtin",
 		PersistInterval: ptrUint64(0),
 		PersistentPeers: providers,
diff --git a/test/e2e/generator/random.go b/test/e2e/generator/random.go
index f21502118..d6c84d46c 100644
--- a/test/e2e/generator/random.go
+++ b/test/e2e/generator/random.go
@@ -3,6 +3,8 @@ package main
 import (
 	"math/rand"
 	"sort"
+
+	"github.com/mroth/weightedrand"
 )
 
 // combinations takes input in the form of a map of item lists, and returns a
@@ -83,3 +85,19 @@ func (usc uniformSetChoice) Choose(r *rand.Rand) []string {
 	}
 	return choices
 }
+
+type weightedChoice map[string]uint
+
+func (wc weightedChoice) Choose(r *rand.Rand) string {
+	choices := make([]weightedrand.Choice, 0, len(wc))
+	for k, v := range wc {
+		choices = append(choices, weightedrand.NewChoice(k, v))
+	}
+
+	chooser, err := weightedrand.NewChooser(choices...)
+	if err != nil {
+		panic(err)
+	}
+
+	return chooser.PickSource(r).(string)
+}