Update CHANGELOG

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 6.4.2 (unreleased)
+### Implementation changes and bug fixes
+- [PR #880](https://github.com/rqlite/rqlite/pull/880): Increase maximum in-memory database size to 2GiB, via upgraded dependencies.
+
 ## 6.4.1 (August 31st 2021)
 ### Implementation changes and bug fixes
 - [PR #879](https://github.com/rqlite/rqlite/pull/879): Set timeout when fetching node API address.

db/db_test.go

@@ -1435,7 +1435,7 @@ func Test_1GiBInMemory(t *testing.T) {
 	if err != nil {
 		t.Fatalf("failed to get size: %s", err.Error())
 	}
-	if sz <= 1073741824 {
+	if sz <= 1024*1024*1024 {
 		t.Fatalf("failed to create a database greater than 1 GiB in size: %d", sz)
 	}
 }