loki: lower log retention period to 1 month

One month of logs is about 40G and suffices for our log retrieval needs.

loki: lower log retention period to 1 month
One month of logs is about 40G and suffices for our log retrieval needs.
e586a80f · Evangelos Foutras · e810787c · e586a80f
Verified Commit e586a80f authored Jun 06, 2022 by Evangelos Foutras 🐱
--- a/roles/loki/files/loki.yaml
+++ b/roles/loki/files/loki.yaml
@@ -38,5 +38,5 @@ compactor:

 limits_config:
  max_query_series: 10000
-  retention_period: 61d
-  max_query_lookback: 61d
+  retention_period: 31d
+  max_query_lookback: 31d