diff --git a/deployment-apps/idx_indexes_base/default/indexes.conf b/deployment-apps/idx_indexes_base/default/indexes.conf
index b8a6de5a..8f260f6b 100644
--- a/deployment-apps/idx_indexes_base/default/indexes.conf
+++ b/deployment-apps/idx_indexes_base/default/indexes.conf
@@ -18,6 +18,7 @@ suspendHotRollByDeleteQuery = 0
 syncMeta = 1
 repFactor = auto
 coldPath.maxDataSizeMB = 5000
+maxWarmDBCount = 10
 
 [_dsappevent]
 [_dsclient]