diff --git a/docs/cloud/dbaas/perftune-mariadb-errorlog.md b/docs/cloud/dbaas/perftune-mariadb-errorlog.md
new file mode 100644
index 0000000000..ee70bf25f3
--- /dev/null
+++ b/docs/cloud/dbaas/perftune-mariadb-errorlog.md
@@ -0,0 +1 @@
+# Error log in MariaDB
diff --git a/docs/cloud/dbaas/perftune-mariadb.md b/docs/cloud/dbaas/perftune-mariadb.md
new file mode 100644
index 0000000000..782a8cdf30
--- /dev/null
+++ b/docs/cloud/dbaas/perftune-mariadb.md
@@ -0,0 +1 @@
+# Common performance issues with MariaDB; how to identify and resolve them
diff --git a/docs/cloud/dbaas/perftune-postgresql-log.md b/docs/cloud/dbaas/perftune-postgresql-log.md
new file mode 100644
index 0000000000..099352b1b4
--- /dev/null
+++ b/docs/cloud/dbaas/perftune-postgresql-log.md
@@ -0,0 +1 @@
+# The importance of PostgreSQL log
diff --git a/docs/cloud/dbaas/perftune-postgresql.md b/docs/cloud/dbaas/perftune-postgresql.md
new file mode 100644
index 0000000000..a86a5855b8
--- /dev/null
+++ b/docs/cloud/dbaas/perftune-postgresql.md
@@ -0,0 +1 @@
+# Common performance issues with PostgreSQL; how to identify and resolve them
diff --git a/mkdocs.yml b/mkdocs.yml
index 74e7e1be34..06f65601df 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -434,10 +434,16 @@ nav:
                   - cloud/dbaas/mariadb.md
                   - Accessing your database: cloud/dbaas/mariadb-accessing.md
                   - Permissions: cloud/dbaas/mariadb-permissions.md
-
           - More advanced features: cloud/dbaas/advanced.md
           - Resizing database instance volumes: cloud/dbaas/resize-volume.md
           - Rebuilding database instances: cloud/dbaas/rebuild-database.md
+          - Common performance issues with databases:
+              - MariaDB:
+                  - Error log: cloud/dbaas/perftune-mariadb-errorlog.md
+                  - Common issues: cloud/dbaas/perftune-mariadb.md
+              - PostgreSQL:
+                  - Importance of PostgresSQL log: cloud/dbaas/perftune-postgresql-log.md
+                  - Common issues: cloud/dbaas/perftune-postgresql.md
       - Rahti:
           - cloud/rahti/index.md
           - What is Rahti: