filer: elastic7 adjust default value

weed/command/scaffold.go

@@ -177,7 +177,7 @@ database = "seaweedfs"
 [elastic7]
 enabled = false
 servers = "http://localhost:9200"
-# increase the value is recommend, both filer and elastic cluster
+# increase the value is recommend, both here and in elastic cluster configuration
 index.max_result_window = 10000
 `
 

weed/filer/elastic/v7/elastic_store.go

@@ -44,7 +44,7 @@ func (store *ElasticStore) Initialize(configuration weed_util.Configuration, pre
 	}
 	store.maxPageSize = configuration.GetInt(prefix + "index.max_result_window")
 	if store.maxPageSize <= 0 {
-		return fmt.Errorf("error elastic index.max_result_window.")
+		store.maxPageSize = 10000
 	}
 	glog.Infof("filer store elastic endpoints: %s, index.max_result_window:%d", servers, store.maxPageSize)
 	store.client, err = elastic.NewClient(