Set benchmark timeout to 20m

Makefile

@@ -68,7 +68,7 @@ bench: ## runs benchmark tests
 	rm -f pipe output.txt mem.prof cpu.prof bench.test
 	mkfifo pipe
 	tee output.txt < pipe &
-	go test -tags bench -benchmem -bench=. ./test/bench -memprofile=mem.prof -cpuprofile=cpu.prof > pipe
+	go test -tags bench -benchmem -bench=. ./test/bench -memprofile=mem.prof -cpuprofile=cpu.prof -timeout=20m > pipe
 	rm -f pipe
 
 docker: ## builds docker images with the current version and latest tag

test/bench/push_pull_bench_test.go

@@ -300,8 +300,8 @@ func BenchmarkSnapshot(b *testing.B) {
 		benchmarkPullSnapshot(10000, b, be, project)
 	})
 
-	b.Run("Push 300KB-sized 5 snapshots successively", func(b *testing.B) {
+	b.Run("Push 30KB-sized 5 snapshots successively", func(b *testing.B) {
 		// this is for the case the size of the snapshot becomes gradually larger.
-		benchmarkPushSnapshots(5, 10000, b, be, project)
+		benchmarkPushSnapshots(5, 1000, b, be, project)
 	})
 }