当我将数据写入我的　Amazon　Elasticsearch　Service　(Amazon　ES)　集群时,请求被拒绝。我收到与以下类似的　ThreadpoolBulkRejected　错误消息:　error":"elastic:　Error　429　(Too　Many　Requests):　rejected　execution　of　org.elasticsearch.transport.TransportService$7@b25fff4　on　EsThreadPoolExecutor[bulk,　queue　capacity　=　200,　org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor@768d4a66[Running,　pool　size　=　2,　active　threads　=　2,　queued　tasks　=　200,　completed　tasks　=　820898]]　[type=es_rejected_execution_exception]"　简短描述　es_rejected_execution_exception[bulk]　是批量队列错误。