### Put Pipeline API put pipeline API 用于添加一个pipeline或更新一个集群中存在的pipeline ~~~ PUT _ingest/pipeline/my-pipeline-id { "description" : "describe pipeline", "processors" : [ { "set" : { "field": "foo", "value": "bar" } } ] } ~~~ > 注意 > > put pipeline API 会命令所有预处理节点重新加载这些pipeline到内存中,以便任何pipeline的更改都会立即生效.