How ElasticSearch modifies mapping
This article will explain in detail how ElasticSearch modifies mapping, Xiaobian thinks it is quite practical, so share it with you for a reference, I hope you can gain something after reading this article.
At present, there are very few specific implementation codes on the Internet, and I have only found Python implementations for a long time. This article has a migration implementation based on the official ES code PHP SDK and bulk.
