Add limiting ability to log fields (#24251)

server/public/model/config.go

@@ -1276,6 +1276,7 @@ type LogSettings struct {
 	EnableSentry           *bool           `access:"environment_logging,write_restrictable,cloud_restrictable"` // telemetry: none
 	AdvancedLoggingJSON    json.RawMessage `access:"environment_logging,write_restrictable,cloud_restrictable"`
 	AdvancedLoggingConfig  *string         `access:"environment_logging,write_restrictable,cloud_restrictable"` // Deprecated: use `AdvancedLoggingJSON`
+	MaxFieldSize           *int            `access:"environment_logging,write_restrictable,cloud_restrictable"`
 }
 
 func NewLogSettings() *LogSettings {
@@ -1340,6 +1341,10 @@ func (s *LogSettings) SetDefaults() {
 	if s.AdvancedLoggingConfig == nil {
 		s.AdvancedLoggingConfig = NewString("")
 	}
+
+	if s.MaxFieldSize == nil {
+		s.MaxFieldSize = NewInt(2048)
+	}
 }
 
 // GetAdvancedLoggingConfig returns the advanced logging config as a []byte.