[定时任务定期删除](elk/%E7%B4%A2%E5%BC%95%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F%E7%AE%A1%E7%90%86/%E5%AE%9A%E6%97%B6%E4%BB%BB%E5%8A%A1%E5%AE%9A%E6%9C%9F%E5%88%A0%E9%99%A4.md) [Index Lifecycle Management](elk/%E7%B4%A2%E5%BC%95%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F%E7%AE%A1%E7%90%86/ILM.md)