diff --git a/logging/loki-config.yaml b/logging/loki-config.yaml
index 07196d7..341744f 100644
--- a/logging/loki-config.yaml
+++ b/logging/loki-config.yaml
@@ -35,6 +35,23 @@ limits_config:
   retention_period: 8760h  # 365 days — required minimum; monitor disk usage as fleet onboarding grows (host has ~40GB free)
   max_query_series: 5000
 
+  # --- Dashboard concurrency ---
+  # Default 30m split a 24h dashboard panel into 48 sub-queries. With 14 panels
+  # refreshing together that is ~672 sub-queries against a scheduler queue of
+  # 100 -> HTTP 429 "too many outstanding requests", and panels blank out at
+  # random on each refresh (the "data appears then disappears" symptom).
+  # Measured 2026-07-15: 14 identical queries fired sequentially = 14/14 OK;
+  # the same 14 fired concurrently = 5/14 OK, 9 rejected.
+  # This fleet produces ~35k lines/day, so splitting buys nothing here.
+  # 24h also matches the schema_config index period above.
+  split_queries_by_interval: 24h
+  # Default 32 is far too optimistic for this 2-core host.
+  max_query_parallelism: 8
+
+query_scheduler:
+  # Default 100. Headroom so one dashboard refresh cannot overflow the queue.
+  max_outstanding_requests_per_tenant: 2048
+
 compactor:
   working_directory: /loki/compactor
   compaction_interval: 10m