{ "instance_min_count":1, "instance_max_count":4, "scaling_rules": [ { "metric_type":"memoryutil", "stat_window_secs":60, "breach_duration_secs":60, "threshold":3, "operator":">=", "cool_down_secs":60, "adjustment":"+1" }, { "metric_type":"memoryutil", "stat_window_secs":60, "breach_duration_secs":60, "threshold":2, "operator":"<=", "cool_down_secs":60, "adjustment":"-1" } ] }