### cat pending tasks cat pending_tasks 命令与"/_cluster/pending_tasks"提供相同的信息,只是以扁平的格式输出. ~~~ GET /_cat/pending_tasks?v ~~~ 结果为 ~~~ insertOrder timeInQueue priority source 1685 855ms HIGH update-mapping [foo][t] 1686 843ms HIGH update-mapping [foo][t] 1693 753ms HIGH refresh-mapping [foo][[t]] 1688 816ms HIGH update-mapping [foo][t] 1689 802ms HIGH update-mapping [foo][t] 1690 787ms HIGH update-mapping [foo][t] 1691 773ms HIGH update-mapping [foo][t] ~~~