diff --git a/agent-chart/values.yaml b/agent-chart/values.yaml
index 79d6c4ff..5fe1c7a8 100644
--- a/agent-chart/values.yaml
+++ b/agent-chart/values.yaml
@@ -85,6 +85,10 @@ db:
     log_min_duration_statement: '10s'
     log_autovacuum_min_duration: 0
     log_destination: 'csvlog'
+    log_filename: 'postgresql-%d.log'
+    log_rotation_age: '1d'
+    log_rotation_size: '100MB'
+    log_truncate_on_rotation: on
     ssl: off
     timezone: "UTC"
     password_encryption: scram-sha-256
diff --git a/chart/values.yaml b/chart/values.yaml
index 18664ffd..0c59e4f6 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -112,12 +112,13 @@ db:
     log_destination: "stderr"
     log_directory: "/var/log/postgresql"
     log_file_mode: 0644
-    log_filename: "postgresql.log"
+    log_filename: "postgresql-%d.log"
     log_line_prefix: "%m [%p] %q[user=%u,db=%d,app=%a] "
     log_lock_waits: on
     log_min_duration_statement: "1s"
-    log_rotation_age: 0
-    log_rotation_size: 0
+    log_rotation_age: '1d'
+    log_rotation_size: '100MB'
+    log_truncate_on_rotation: on
     log_statement: "all"
     log_temp_files: 0
     log_timezone: "UTC"