修改write index
假定myidx-2019-03-25原本是myidx-alias的write index, 以下示例将使myidx-2019-04-08成为新的write index
# POST _aliases{"actions": [{"add": {"index": "myidx-2019-04-08","alias": "myidx-alias","is_write_index": true}},{"add" : {"index" : "myidx-2019-03-25","alias" : "myidx-alias"}}]}
替换alias下的index
对old_idx进行重索引拆出多个idx-20*新index后,将新的idx-20*索引加到alias idx中,同时将old_idx移出
# POST _aliases{"actions" : [{ "remove" : { "index" : "old_idx", "alias" : "idx" } },{ "add" : { "index" : "idx-20*", "alias" : "idx" } }]}
